Extract include/ruby/internal/attr/packed_struct.h

Split `PACKED_STRUCT` and `PACKED_STRUCT_UNALIGNED` macros into the
macros bellow:
* `RBIMPL_ATTR_PACKED_STRUCT_BEGIN`
* `RBIMPL_ATTR_PACKED_STRUCT_END`
* `RBIMPL_ATTR_PACKED_STRUCT_UNALIGNED_BEGIN`
* `RBIMPL_ATTR_PACKED_STRUCT_UNALIGNED_END`

common.mk

@@ -1810,6 +1810,7 @@ addr2line.$(OBJEXT): {$(VPATH)}internal/attr/noexcept.h
 addr2line.$(OBJEXT): {$(VPATH)}internal/attr/noinline.h
 addr2line.$(OBJEXT): {$(VPATH)}internal/attr/nonnull.h
 addr2line.$(OBJEXT): {$(VPATH)}internal/attr/noreturn.h
+addr2line.$(OBJEXT): {$(VPATH)}internal/attr/packed_struct.h
 addr2line.$(OBJEXT): {$(VPATH)}internal/attr/pure.h
 addr2line.$(OBJEXT): {$(VPATH)}internal/attr/restrict.h
 addr2line.$(OBJEXT): {$(VPATH)}internal/attr/returns_nonnull.h
@@ -1920,6 +1921,7 @@ array.$(OBJEXT): {$(VPATH)}internal/attr/noexcept.h
 array.$(OBJEXT): {$(VPATH)}internal/attr/noinline.h
 array.$(OBJEXT): {$(VPATH)}internal/attr/nonnull.h
 array.$(OBJEXT): {$(VPATH)}internal/attr/noreturn.h
+array.$(OBJEXT): {$(VPATH)}internal/attr/packed_struct.h
 array.$(OBJEXT): {$(VPATH)}internal/attr/pure.h
 array.$(OBJEXT): {$(VPATH)}internal/attr/restrict.h
 array.$(OBJEXT): {$(VPATH)}internal/attr/returns_nonnull.h
@@ -2120,6 +2122,7 @@ ast.$(OBJEXT): {$(VPATH)}internal/attr/noexcept.h
 ast.$(OBJEXT): {$(VPATH)}internal/attr/noinline.h
 ast.$(OBJEXT): {$(VPATH)}internal/attr/nonnull.h
 ast.$(OBJEXT): {$(VPATH)}internal/attr/noreturn.h
+ast.$(OBJEXT): {$(VPATH)}internal/attr/packed_struct.h
 ast.$(OBJEXT): {$(VPATH)}internal/attr/pure.h
 ast.$(OBJEXT): {$(VPATH)}internal/attr/restrict.h
 ast.$(OBJEXT): {$(VPATH)}internal/attr/returns_nonnull.h
@@ -2319,6 +2322,7 @@ bignum.$(OBJEXT): {$(VPATH)}internal/attr/noexcept.h
 bignum.$(OBJEXT): {$(VPATH)}internal/attr/noinline.h
 bignum.$(OBJEXT): {$(VPATH)}internal/attr/nonnull.h
 bignum.$(OBJEXT): {$(VPATH)}internal/attr/noreturn.h
+bignum.$(OBJEXT): {$(VPATH)}internal/attr/packed_struct.h
 bignum.$(OBJEXT): {$(VPATH)}internal/attr/pure.h
 bignum.$(OBJEXT): {$(VPATH)}internal/attr/restrict.h
 bignum.$(OBJEXT): {$(VPATH)}internal/attr/returns_nonnull.h
@@ -2502,6 +2506,7 @@ builtin.$(OBJEXT): {$(VPATH)}internal/attr/noexcept.h
 builtin.$(OBJEXT): {$(VPATH)}internal/attr/noinline.h
 builtin.$(OBJEXT): {$(VPATH)}internal/attr/nonnull.h
 builtin.$(OBJEXT): {$(VPATH)}internal/attr/noreturn.h
+builtin.$(OBJEXT): {$(VPATH)}internal/attr/packed_struct.h
 builtin.$(OBJEXT): {$(VPATH)}internal/attr/pure.h
 builtin.$(OBJEXT): {$(VPATH)}internal/attr/restrict.h
 builtin.$(OBJEXT): {$(VPATH)}internal/attr/returns_nonnull.h
@@ -2696,6 +2701,7 @@ class.$(OBJEXT): {$(VPATH)}internal/attr/noexcept.h
 class.$(OBJEXT): {$(VPATH)}internal/attr/noinline.h
 class.$(OBJEXT): {$(VPATH)}internal/attr/nonnull.h
 class.$(OBJEXT): {$(VPATH)}internal/attr/noreturn.h
+class.$(OBJEXT): {$(VPATH)}internal/attr/packed_struct.h
 class.$(OBJEXT): {$(VPATH)}internal/attr/pure.h
 class.$(OBJEXT): {$(VPATH)}internal/attr/restrict.h
 class.$(OBJEXT): {$(VPATH)}internal/attr/returns_nonnull.h
@@ -2885,6 +2891,7 @@ compar.$(OBJEXT): {$(VPATH)}internal/attr/noexcept.h
 compar.$(OBJEXT): {$(VPATH)}internal/attr/noinline.h
 compar.$(OBJEXT): {$(VPATH)}internal/attr/nonnull.h
 compar.$(OBJEXT): {$(VPATH)}internal/attr/noreturn.h
+compar.$(OBJEXT): {$(VPATH)}internal/attr/packed_struct.h
 compar.$(OBJEXT): {$(VPATH)}internal/attr/pure.h
 compar.$(OBJEXT): {$(VPATH)}internal/attr/restrict.h
 compar.$(OBJEXT): {$(VPATH)}internal/attr/returns_nonnull.h
@@ -3097,6 +3104,7 @@ compile.$(OBJEXT): {$(VPATH)}internal/attr/noexcept.h
 compile.$(OBJEXT): {$(VPATH)}internal/attr/noinline.h
 compile.$(OBJEXT): {$(VPATH)}internal/attr/nonnull.h
 compile.$(OBJEXT): {$(VPATH)}internal/attr/noreturn.h
+compile.$(OBJEXT): {$(VPATH)}internal/attr/packed_struct.h
 compile.$(OBJEXT): {$(VPATH)}internal/attr/pure.h
 compile.$(OBJEXT): {$(VPATH)}internal/attr/restrict.h
 compile.$(OBJEXT): {$(VPATH)}internal/attr/returns_nonnull.h
@@ -3304,6 +3312,7 @@ complex.$(OBJEXT): {$(VPATH)}internal/attr/noexcept.h
 complex.$(OBJEXT): {$(VPATH)}internal/attr/noinline.h
 complex.$(OBJEXT): {$(VPATH)}internal/attr/nonnull.h
 complex.$(OBJEXT): {$(VPATH)}internal/attr/noreturn.h
+complex.$(OBJEXT): {$(VPATH)}internal/attr/packed_struct.h
 complex.$(OBJEXT): {$(VPATH)}internal/attr/pure.h
 complex.$(OBJEXT): {$(VPATH)}internal/attr/restrict.h
 complex.$(OBJEXT): {$(VPATH)}internal/attr/returns_nonnull.h
@@ -3495,6 +3504,7 @@ cont.$(OBJEXT): {$(VPATH)}internal/attr/noexcept.h
 cont.$(OBJEXT): {$(VPATH)}internal/attr/noinline.h
 cont.$(OBJEXT): {$(VPATH)}internal/attr/nonnull.h
 cont.$(OBJEXT): {$(VPATH)}internal/attr/noreturn.h
+cont.$(OBJEXT): {$(VPATH)}internal/attr/packed_struct.h
 cont.$(OBJEXT): {$(VPATH)}internal/attr/pure.h
 cont.$(OBJEXT): {$(VPATH)}internal/attr/restrict.h
 cont.$(OBJEXT): {$(VPATH)}internal/attr/returns_nonnull.h
@@ -3706,6 +3716,7 @@ debug.$(OBJEXT): {$(VPATH)}internal/attr/noexcept.h
 debug.$(OBJEXT): {$(VPATH)}internal/attr/noinline.h
 debug.$(OBJEXT): {$(VPATH)}internal/attr/nonnull.h
 debug.$(OBJEXT): {$(VPATH)}internal/attr/noreturn.h
+debug.$(OBJEXT): {$(VPATH)}internal/attr/packed_struct.h
 debug.$(OBJEXT): {$(VPATH)}internal/attr/pure.h
 debug.$(OBJEXT): {$(VPATH)}internal/attr/restrict.h
 debug.$(OBJEXT): {$(VPATH)}internal/attr/returns_nonnull.h
@@ -3892,6 +3903,7 @@ debug_counter.$(OBJEXT): {$(VPATH)}internal/attr/noexcept.h
 debug_counter.$(OBJEXT): {$(VPATH)}internal/attr/noinline.h
 debug_counter.$(OBJEXT): {$(VPATH)}internal/attr/nonnull.h
 debug_counter.$(OBJEXT): {$(VPATH)}internal/attr/noreturn.h
+debug_counter.$(OBJEXT): {$(VPATH)}internal/attr/packed_struct.h
 debug_counter.$(OBJEXT): {$(VPATH)}internal/attr/pure.h
 debug_counter.$(OBJEXT): {$(VPATH)}internal/attr/restrict.h
 debug_counter.$(OBJEXT): {$(VPATH)}internal/attr/returns_nonnull.h
@@ -4075,6 +4087,7 @@ dir.$(OBJEXT): {$(VPATH)}internal/attr/noexcept.h
 dir.$(OBJEXT): {$(VPATH)}internal/attr/noinline.h
 dir.$(OBJEXT): {$(VPATH)}internal/attr/nonnull.h
 dir.$(OBJEXT): {$(VPATH)}internal/attr/noreturn.h
+dir.$(OBJEXT): {$(VPATH)}internal/attr/packed_struct.h
 dir.$(OBJEXT): {$(VPATH)}internal/attr/pure.h
 dir.$(OBJEXT): {$(VPATH)}internal/attr/restrict.h
 dir.$(OBJEXT): {$(VPATH)}internal/attr/returns_nonnull.h
@@ -4252,6 +4265,7 @@ dln.$(OBJEXT): {$(VPATH)}internal/attr/noexcept.h
 dln.$(OBJEXT): {$(VPATH)}internal/attr/noinline.h
 dln.$(OBJEXT): {$(VPATH)}internal/attr/nonnull.h
 dln.$(OBJEXT): {$(VPATH)}internal/attr/noreturn.h
+dln.$(OBJEXT): {$(VPATH)}internal/attr/packed_struct.h
 dln.$(OBJEXT): {$(VPATH)}internal/attr/pure.h
 dln.$(OBJEXT): {$(VPATH)}internal/attr/restrict.h
 dln.$(OBJEXT): {$(VPATH)}internal/attr/returns_nonnull.h
@@ -4410,6 +4424,7 @@ dln_find.$(OBJEXT): {$(VPATH)}internal/attr/noexcept.h
 dln_find.$(OBJEXT): {$(VPATH)}internal/attr/noinline.h
 dln_find.$(OBJEXT): {$(VPATH)}internal/attr/nonnull.h
 dln_find.$(OBJEXT): {$(VPATH)}internal/attr/noreturn.h
+dln_find.$(OBJEXT): {$(VPATH)}internal/attr/packed_struct.h
 dln_find.$(OBJEXT): {$(VPATH)}internal/attr/pure.h
 dln_find.$(OBJEXT): {$(VPATH)}internal/attr/restrict.h
 dln_find.$(OBJEXT): {$(VPATH)}internal/attr/returns_nonnull.h
@@ -4567,6 +4582,7 @@ dmydln.$(OBJEXT): {$(VPATH)}internal/attr/noexcept.h
 dmydln.$(OBJEXT): {$(VPATH)}internal/attr/noinline.h
 dmydln.$(OBJEXT): {$(VPATH)}internal/attr/nonnull.h
 dmydln.$(OBJEXT): {$(VPATH)}internal/attr/noreturn.h
+dmydln.$(OBJEXT): {$(VPATH)}internal/attr/packed_struct.h
 dmydln.$(OBJEXT): {$(VPATH)}internal/attr/pure.h
 dmydln.$(OBJEXT): {$(VPATH)}internal/attr/restrict.h
 dmydln.$(OBJEXT): {$(VPATH)}internal/attr/returns_nonnull.h
@@ -5577,6 +5593,7 @@ encoding.$(OBJEXT): {$(VPATH)}internal/attr/noexcept.h
 encoding.$(OBJEXT): {$(VPATH)}internal/attr/noinline.h
 encoding.$(OBJEXT): {$(VPATH)}internal/attr/nonnull.h
 encoding.$(OBJEXT): {$(VPATH)}internal/attr/noreturn.h
+encoding.$(OBJEXT): {$(VPATH)}internal/attr/packed_struct.h
 encoding.$(OBJEXT): {$(VPATH)}internal/attr/pure.h
 encoding.$(OBJEXT): {$(VPATH)}internal/attr/restrict.h
 encoding.$(OBJEXT): {$(VPATH)}internal/attr/returns_nonnull.h
@@ -5779,6 +5796,7 @@ enum.$(OBJEXT): {$(VPATH)}internal/attr/noexcept.h
 enum.$(OBJEXT): {$(VPATH)}internal/attr/noinline.h
 enum.$(OBJEXT): {$(VPATH)}internal/attr/nonnull.h
 enum.$(OBJEXT): {$(VPATH)}internal/attr/noreturn.h
+enum.$(OBJEXT): {$(VPATH)}internal/attr/packed_struct.h
 enum.$(OBJEXT): {$(VPATH)}internal/attr/pure.h
 enum.$(OBJEXT): {$(VPATH)}internal/attr/restrict.h
 enum.$(OBJEXT): {$(VPATH)}internal/attr/returns_nonnull.h
@@ -5976,6 +5994,7 @@ enumerator.$(OBJEXT): {$(VPATH)}internal/attr/noexcept.h
 enumerator.$(OBJEXT): {$(VPATH)}internal/attr/noinline.h
 enumerator.$(OBJEXT): {$(VPATH)}internal/attr/nonnull.h
 enumerator.$(OBJEXT): {$(VPATH)}internal/attr/noreturn.h
+enumerator.$(OBJEXT): {$(VPATH)}internal/attr/packed_struct.h
 enumerator.$(OBJEXT): {$(VPATH)}internal/attr/pure.h
 enumerator.$(OBJEXT): {$(VPATH)}internal/attr/restrict.h
 enumerator.$(OBJEXT): {$(VPATH)}internal/attr/returns_nonnull.h
@@ -6178,6 +6197,7 @@ error.$(OBJEXT): {$(VPATH)}internal/attr/noexcept.h
 error.$(OBJEXT): {$(VPATH)}internal/attr/noinline.h
 error.$(OBJEXT): {$(VPATH)}internal/attr/nonnull.h
 error.$(OBJEXT): {$(VPATH)}internal/attr/noreturn.h
+error.$(OBJEXT): {$(VPATH)}internal/attr/packed_struct.h
 error.$(OBJEXT): {$(VPATH)}internal/attr/pure.h
 error.$(OBJEXT): {$(VPATH)}internal/attr/restrict.h
 error.$(OBJEXT): {$(VPATH)}internal/attr/returns_nonnull.h
@@ -6396,6 +6416,7 @@ eval.$(OBJEXT): {$(VPATH)}internal/attr/noexcept.h
 eval.$(OBJEXT): {$(VPATH)}internal/attr/noinline.h
 eval.$(OBJEXT): {$(VPATH)}internal/attr/nonnull.h
 eval.$(OBJEXT): {$(VPATH)}internal/attr/noreturn.h
+eval.$(OBJEXT): {$(VPATH)}internal/attr/packed_struct.h
 eval.$(OBJEXT): {$(VPATH)}internal/attr/pure.h
 eval.$(OBJEXT): {$(VPATH)}internal/attr/restrict.h
 eval.$(OBJEXT): {$(VPATH)}internal/attr/returns_nonnull.h
@@ -6625,6 +6646,7 @@ file.$(OBJEXT): {$(VPATH)}internal/attr/noexcept.h
 file.$(OBJEXT): {$(VPATH)}internal/attr/noinline.h
 file.$(OBJEXT): {$(VPATH)}internal/attr/nonnull.h
 file.$(OBJEXT): {$(VPATH)}internal/attr/noreturn.h
+file.$(OBJEXT): {$(VPATH)}internal/attr/packed_struct.h
 file.$(OBJEXT): {$(VPATH)}internal/attr/pure.h
 file.$(OBJEXT): {$(VPATH)}internal/attr/restrict.h
 file.$(OBJEXT): {$(VPATH)}internal/attr/returns_nonnull.h
@@ -6844,6 +6866,7 @@ gc.$(OBJEXT): {$(VPATH)}internal/attr/noexcept.h
 gc.$(OBJEXT): {$(VPATH)}internal/attr/noinline.h
 gc.$(OBJEXT): {$(VPATH)}internal/attr/nonnull.h
 gc.$(OBJEXT): {$(VPATH)}internal/attr/noreturn.h
+gc.$(OBJEXT): {$(VPATH)}internal/attr/packed_struct.h
 gc.$(OBJEXT): {$(VPATH)}internal/attr/pure.h
 gc.$(OBJEXT): {$(VPATH)}internal/attr/restrict.h
 gc.$(OBJEXT): {$(VPATH)}internal/attr/returns_nonnull.h
@@ -7063,6 +7086,7 @@ goruby.$(OBJEXT): {$(VPATH)}internal/attr/noexcept.h
 goruby.$(OBJEXT): {$(VPATH)}internal/attr/noinline.h
 goruby.$(OBJEXT): {$(VPATH)}internal/attr/nonnull.h
 goruby.$(OBJEXT): {$(VPATH)}internal/attr/noreturn.h
+goruby.$(OBJEXT): {$(VPATH)}internal/attr/packed_struct.h
 goruby.$(OBJEXT): {$(VPATH)}internal/attr/pure.h
 goruby.$(OBJEXT): {$(VPATH)}internal/attr/restrict.h
 goruby.$(OBJEXT): {$(VPATH)}internal/attr/returns_nonnull.h
@@ -7266,6 +7290,7 @@ hash.$(OBJEXT): {$(VPATH)}internal/attr/noexcept.h
 hash.$(OBJEXT): {$(VPATH)}internal/attr/noinline.h
 hash.$(OBJEXT): {$(VPATH)}internal/attr/nonnull.h
 hash.$(OBJEXT): {$(VPATH)}internal/attr/noreturn.h
+hash.$(OBJEXT): {$(VPATH)}internal/attr/packed_struct.h
 hash.$(OBJEXT): {$(VPATH)}internal/attr/pure.h
 hash.$(OBJEXT): {$(VPATH)}internal/attr/restrict.h
 hash.$(OBJEXT): {$(VPATH)}internal/attr/returns_nonnull.h
@@ -7458,6 +7483,7 @@ inits.$(OBJEXT): {$(VPATH)}internal/attr/noexcept.h
 inits.$(OBJEXT): {$(VPATH)}internal/attr/noinline.h
 inits.$(OBJEXT): {$(VPATH)}internal/attr/nonnull.h
 inits.$(OBJEXT): {$(VPATH)}internal/attr/noreturn.h
+inits.$(OBJEXT): {$(VPATH)}internal/attr/packed_struct.h
 inits.$(OBJEXT): {$(VPATH)}internal/attr/pure.h
 inits.$(OBJEXT): {$(VPATH)}internal/attr/restrict.h
 inits.$(OBJEXT): {$(VPATH)}internal/attr/returns_nonnull.h
@@ -7654,6 +7680,7 @@ io.$(OBJEXT): {$(VPATH)}internal/attr/noexcept.h
 io.$(OBJEXT): {$(VPATH)}internal/attr/noinline.h
 io.$(OBJEXT): {$(VPATH)}internal/attr/nonnull.h
 io.$(OBJEXT): {$(VPATH)}internal/attr/noreturn.h
+io.$(OBJEXT): {$(VPATH)}internal/attr/packed_struct.h
 io.$(OBJEXT): {$(VPATH)}internal/attr/pure.h
 io.$(OBJEXT): {$(VPATH)}internal/attr/restrict.h
 io.$(OBJEXT): {$(VPATH)}internal/attr/returns_nonnull.h
@@ -7853,6 +7880,7 @@ io_buffer.$(OBJEXT): {$(VPATH)}internal/attr/noexcept.h
 io_buffer.$(OBJEXT): {$(VPATH)}internal/attr/noinline.h
 io_buffer.$(OBJEXT): {$(VPATH)}internal/attr/nonnull.h
 io_buffer.$(OBJEXT): {$(VPATH)}internal/attr/noreturn.h
+io_buffer.$(OBJEXT): {$(VPATH)}internal/attr/packed_struct.h
 io_buffer.$(OBJEXT): {$(VPATH)}internal/attr/pure.h
 io_buffer.$(OBJEXT): {$(VPATH)}internal/attr/restrict.h
 io_buffer.$(OBJEXT): {$(VPATH)}internal/attr/returns_nonnull.h
@@ -8063,6 +8091,7 @@ iseq.$(OBJEXT): {$(VPATH)}internal/attr/noexcept.h
 iseq.$(OBJEXT): {$(VPATH)}internal/attr/noinline.h
 iseq.$(OBJEXT): {$(VPATH)}internal/attr/nonnull.h
 iseq.$(OBJEXT): {$(VPATH)}internal/attr/noreturn.h
+iseq.$(OBJEXT): {$(VPATH)}internal/attr/packed_struct.h
 iseq.$(OBJEXT): {$(VPATH)}internal/attr/pure.h
 iseq.$(OBJEXT): {$(VPATH)}internal/attr/restrict.h
 iseq.$(OBJEXT): {$(VPATH)}internal/attr/returns_nonnull.h
@@ -8278,6 +8307,7 @@ load.$(OBJEXT): {$(VPATH)}internal/attr/noexcept.h
 load.$(OBJEXT): {$(VPATH)}internal/attr/noinline.h
 load.$(OBJEXT): {$(VPATH)}internal/attr/nonnull.h
 load.$(OBJEXT): {$(VPATH)}internal/attr/noreturn.h
+load.$(OBJEXT): {$(VPATH)}internal/attr/packed_struct.h
 load.$(OBJEXT): {$(VPATH)}internal/attr/pure.h
 load.$(OBJEXT): {$(VPATH)}internal/attr/restrict.h
 load.$(OBJEXT): {$(VPATH)}internal/attr/returns_nonnull.h
@@ -8461,6 +8491,7 @@ loadpath.$(OBJEXT): {$(VPATH)}internal/attr/noexcept.h
 loadpath.$(OBJEXT): {$(VPATH)}internal/attr/noinline.h
 loadpath.$(OBJEXT): {$(VPATH)}internal/attr/nonnull.h
 loadpath.$(OBJEXT): {$(VPATH)}internal/attr/noreturn.h
+loadpath.$(OBJEXT): {$(VPATH)}internal/attr/packed_struct.h
 loadpath.$(OBJEXT): {$(VPATH)}internal/attr/pure.h
 loadpath.$(OBJEXT): {$(VPATH)}internal/attr/restrict.h
 loadpath.$(OBJEXT): {$(VPATH)}internal/attr/returns_nonnull.h
@@ -8622,6 +8653,7 @@ localeinit.$(OBJEXT): {$(VPATH)}internal/attr/noexcept.h
 localeinit.$(OBJEXT): {$(VPATH)}internal/attr/noinline.h
 localeinit.$(OBJEXT): {$(VPATH)}internal/attr/nonnull.h
 localeinit.$(OBJEXT): {$(VPATH)}internal/attr/noreturn.h
+localeinit.$(OBJEXT): {$(VPATH)}internal/attr/packed_struct.h
 localeinit.$(OBJEXT): {$(VPATH)}internal/attr/pure.h
 localeinit.$(OBJEXT): {$(VPATH)}internal/attr/restrict.h
 localeinit.$(OBJEXT): {$(VPATH)}internal/attr/returns_nonnull.h
@@ -8792,6 +8824,7 @@ main.$(OBJEXT): {$(VPATH)}internal/attr/noexcept.h
 main.$(OBJEXT): {$(VPATH)}internal/attr/noinline.h
 main.$(OBJEXT): {$(VPATH)}internal/attr/nonnull.h
 main.$(OBJEXT): {$(VPATH)}internal/attr/noreturn.h
+main.$(OBJEXT): {$(VPATH)}internal/attr/packed_struct.h
 main.$(OBJEXT): {$(VPATH)}internal/attr/pure.h
 main.$(OBJEXT): {$(VPATH)}internal/attr/restrict.h
 main.$(OBJEXT): {$(VPATH)}internal/attr/returns_nonnull.h
@@ -8978,6 +9011,7 @@ marshal.$(OBJEXT): {$(VPATH)}internal/attr/noexcept.h
 marshal.$(OBJEXT): {$(VPATH)}internal/attr/noinline.h
 marshal.$(OBJEXT): {$(VPATH)}internal/attr/nonnull.h
 marshal.$(OBJEXT): {$(VPATH)}internal/attr/noreturn.h
+marshal.$(OBJEXT): {$(VPATH)}internal/attr/packed_struct.h
 marshal.$(OBJEXT): {$(VPATH)}internal/attr/pure.h
 marshal.$(OBJEXT): {$(VPATH)}internal/attr/restrict.h
 marshal.$(OBJEXT): {$(VPATH)}internal/attr/returns_nonnull.h
@@ -9166,6 +9200,7 @@ math.$(OBJEXT): {$(VPATH)}internal/attr/noexcept.h
 math.$(OBJEXT): {$(VPATH)}internal/attr/noinline.h
 math.$(OBJEXT): {$(VPATH)}internal/attr/nonnull.h
 math.$(OBJEXT): {$(VPATH)}internal/attr/noreturn.h
+math.$(OBJEXT): {$(VPATH)}internal/attr/packed_struct.h
 math.$(OBJEXT): {$(VPATH)}internal/attr/pure.h
 math.$(OBJEXT): {$(VPATH)}internal/attr/restrict.h
 math.$(OBJEXT): {$(VPATH)}internal/attr/returns_nonnull.h
@@ -9334,6 +9369,7 @@ memory_view.$(OBJEXT): {$(VPATH)}internal/attr/noexcept.h
 memory_view.$(OBJEXT): {$(VPATH)}internal/attr/noinline.h
 memory_view.$(OBJEXT): {$(VPATH)}internal/attr/nonnull.h
 memory_view.$(OBJEXT): {$(VPATH)}internal/attr/noreturn.h
+memory_view.$(OBJEXT): {$(VPATH)}internal/attr/packed_struct.h
 memory_view.$(OBJEXT): {$(VPATH)}internal/attr/pure.h
 memory_view.$(OBJEXT): {$(VPATH)}internal/attr/restrict.h
 memory_view.$(OBJEXT): {$(VPATH)}internal/attr/returns_nonnull.h
@@ -9524,6 +9560,7 @@ miniinit.$(OBJEXT): {$(VPATH)}internal/attr/noexcept.h
 miniinit.$(OBJEXT): {$(VPATH)}internal/attr/noinline.h
 miniinit.$(OBJEXT): {$(VPATH)}internal/attr/nonnull.h
 miniinit.$(OBJEXT): {$(VPATH)}internal/attr/noreturn.h
+miniinit.$(OBJEXT): {$(VPATH)}internal/attr/packed_struct.h
 miniinit.$(OBJEXT): {$(VPATH)}internal/attr/pure.h
 miniinit.$(OBJEXT): {$(VPATH)}internal/attr/restrict.h
 miniinit.$(OBJEXT): {$(VPATH)}internal/attr/returns_nonnull.h
@@ -9758,6 +9795,7 @@ mjit.$(OBJEXT): {$(VPATH)}internal/attr/noexcept.h
 mjit.$(OBJEXT): {$(VPATH)}internal/attr/noinline.h
 mjit.$(OBJEXT): {$(VPATH)}internal/attr/nonnull.h
 mjit.$(OBJEXT): {$(VPATH)}internal/attr/noreturn.h
+mjit.$(OBJEXT): {$(VPATH)}internal/attr/packed_struct.h
 mjit.$(OBJEXT): {$(VPATH)}internal/attr/pure.h
 mjit.$(OBJEXT): {$(VPATH)}internal/attr/restrict.h
 mjit.$(OBJEXT): {$(VPATH)}internal/attr/returns_nonnull.h
@@ -9979,6 +10017,7 @@ mjit_c.$(OBJEXT): {$(VPATH)}internal/attr/noexcept.h
 mjit_c.$(OBJEXT): {$(VPATH)}internal/attr/noinline.h
 mjit_c.$(OBJEXT): {$(VPATH)}internal/attr/nonnull.h
 mjit_c.$(OBJEXT): {$(VPATH)}internal/attr/noreturn.h
+mjit_c.$(OBJEXT): {$(VPATH)}internal/attr/packed_struct.h
 mjit_c.$(OBJEXT): {$(VPATH)}internal/attr/pure.h
 mjit_c.$(OBJEXT): {$(VPATH)}internal/attr/restrict.h
 mjit_c.$(OBJEXT): {$(VPATH)}internal/attr/returns_nonnull.h
@@ -10176,6 +10215,7 @@ node.$(OBJEXT): {$(VPATH)}internal/attr/noexcept.h
 node.$(OBJEXT): {$(VPATH)}internal/attr/noinline.h
 node.$(OBJEXT): {$(VPATH)}internal/attr/nonnull.h
 node.$(OBJEXT): {$(VPATH)}internal/attr/noreturn.h
+node.$(OBJEXT): {$(VPATH)}internal/attr/packed_struct.h
 node.$(OBJEXT): {$(VPATH)}internal/attr/pure.h
 node.$(OBJEXT): {$(VPATH)}internal/attr/restrict.h
 node.$(OBJEXT): {$(VPATH)}internal/attr/returns_nonnull.h
@@ -10369,6 +10409,7 @@ numeric.$(OBJEXT): {$(VPATH)}internal/attr/noexcept.h
 numeric.$(OBJEXT): {$(VPATH)}internal/attr/noinline.h
 numeric.$(OBJEXT): {$(VPATH)}internal/attr/nonnull.h
 numeric.$(OBJEXT): {$(VPATH)}internal/attr/noreturn.h
+numeric.$(OBJEXT): {$(VPATH)}internal/attr/packed_struct.h
 numeric.$(OBJEXT): {$(VPATH)}internal/attr/pure.h
 numeric.$(OBJEXT): {$(VPATH)}internal/attr/restrict.h
 numeric.$(OBJEXT): {$(VPATH)}internal/attr/returns_nonnull.h
@@ -10568,6 +10609,7 @@ object.$(OBJEXT): {$(VPATH)}internal/attr/noexcept.h
 object.$(OBJEXT): {$(VPATH)}internal/attr/noinline.h
 object.$(OBJEXT): {$(VPATH)}internal/attr/nonnull.h
 object.$(OBJEXT): {$(VPATH)}internal/attr/noreturn.h
+object.$(OBJEXT): {$(VPATH)}internal/attr/packed_struct.h
 object.$(OBJEXT): {$(VPATH)}internal/attr/pure.h
 object.$(OBJEXT): {$(VPATH)}internal/attr/restrict.h
 object.$(OBJEXT): {$(VPATH)}internal/attr/returns_nonnull.h
@@ -10758,6 +10800,7 @@ pack.$(OBJEXT): {$(VPATH)}internal/attr/noexcept.h
 pack.$(OBJEXT): {$(VPATH)}internal/attr/noinline.h
 pack.$(OBJEXT): {$(VPATH)}internal/attr/nonnull.h
 pack.$(OBJEXT): {$(VPATH)}internal/attr/noreturn.h
+pack.$(OBJEXT): {$(VPATH)}internal/attr/packed_struct.h
 pack.$(OBJEXT): {$(VPATH)}internal/attr/pure.h
 pack.$(OBJEXT): {$(VPATH)}internal/attr/restrict.h
 pack.$(OBJEXT): {$(VPATH)}internal/attr/returns_nonnull.h
@@ -10962,6 +11005,7 @@ parse.$(OBJEXT): {$(VPATH)}internal/attr/noexcept.h
 parse.$(OBJEXT): {$(VPATH)}internal/attr/noinline.h
 parse.$(OBJEXT): {$(VPATH)}internal/attr/nonnull.h
 parse.$(OBJEXT): {$(VPATH)}internal/attr/noreturn.h
+parse.$(OBJEXT): {$(VPATH)}internal/attr/packed_struct.h
 parse.$(OBJEXT): {$(VPATH)}internal/attr/pure.h
 parse.$(OBJEXT): {$(VPATH)}internal/attr/restrict.h
 parse.$(OBJEXT): {$(VPATH)}internal/attr/returns_nonnull.h
@@ -11174,6 +11218,7 @@ proc.$(OBJEXT): {$(VPATH)}internal/attr/noexcept.h
 proc.$(OBJEXT): {$(VPATH)}internal/attr/noinline.h
 proc.$(OBJEXT): {$(VPATH)}internal/attr/nonnull.h
 proc.$(OBJEXT): {$(VPATH)}internal/attr/noreturn.h
+proc.$(OBJEXT): {$(VPATH)}internal/attr/packed_struct.h
 proc.$(OBJEXT): {$(VPATH)}internal/attr/pure.h
 proc.$(OBJEXT): {$(VPATH)}internal/attr/restrict.h
 proc.$(OBJEXT): {$(VPATH)}internal/attr/returns_nonnull.h
@@ -11393,6 +11438,7 @@ process.$(OBJEXT): {$(VPATH)}internal/attr/noexcept.h
 process.$(OBJEXT): {$(VPATH)}internal/attr/noinline.h
 process.$(OBJEXT): {$(VPATH)}internal/attr/nonnull.h
 process.$(OBJEXT): {$(VPATH)}internal/attr/noreturn.h
+process.$(OBJEXT): {$(VPATH)}internal/attr/packed_struct.h
 process.$(OBJEXT): {$(VPATH)}internal/attr/pure.h
 process.$(OBJEXT): {$(VPATH)}internal/attr/restrict.h
 process.$(OBJEXT): {$(VPATH)}internal/attr/returns_nonnull.h
@@ -11611,6 +11657,7 @@ ractor.$(OBJEXT): {$(VPATH)}internal/attr/noexcept.h
 ractor.$(OBJEXT): {$(VPATH)}internal/attr/noinline.h
 ractor.$(OBJEXT): {$(VPATH)}internal/attr/nonnull.h
 ractor.$(OBJEXT): {$(VPATH)}internal/attr/noreturn.h
+ractor.$(OBJEXT): {$(VPATH)}internal/attr/packed_struct.h
 ractor.$(OBJEXT): {$(VPATH)}internal/attr/pure.h
 ractor.$(OBJEXT): {$(VPATH)}internal/attr/restrict.h
 ractor.$(OBJEXT): {$(VPATH)}internal/attr/returns_nonnull.h
@@ -11817,6 +11864,7 @@ random.$(OBJEXT): {$(VPATH)}internal/attr/noexcept.h
 random.$(OBJEXT): {$(VPATH)}internal/attr/noinline.h
 random.$(OBJEXT): {$(VPATH)}internal/attr/nonnull.h
 random.$(OBJEXT): {$(VPATH)}internal/attr/noreturn.h
+random.$(OBJEXT): {$(VPATH)}internal/attr/packed_struct.h
 random.$(OBJEXT): {$(VPATH)}internal/attr/pure.h
 random.$(OBJEXT): {$(VPATH)}internal/attr/restrict.h
 random.$(OBJEXT): {$(VPATH)}internal/attr/returns_nonnull.h
@@ -12004,6 +12052,7 @@ range.$(OBJEXT): {$(VPATH)}internal/attr/noexcept.h
 range.$(OBJEXT): {$(VPATH)}internal/attr/noinline.h
 range.$(OBJEXT): {$(VPATH)}internal/attr/nonnull.h
 range.$(OBJEXT): {$(VPATH)}internal/attr/noreturn.h
+range.$(OBJEXT): {$(VPATH)}internal/attr/packed_struct.h
 range.$(OBJEXT): {$(VPATH)}internal/attr/pure.h
 range.$(OBJEXT): {$(VPATH)}internal/attr/restrict.h
 range.$(OBJEXT): {$(VPATH)}internal/attr/returns_nonnull.h
@@ -12194,6 +12243,7 @@ rational.$(OBJEXT): {$(VPATH)}internal/attr/noexcept.h
 rational.$(OBJEXT): {$(VPATH)}internal/attr/noinline.h
 rational.$(OBJEXT): {$(VPATH)}internal/attr/nonnull.h
 rational.$(OBJEXT): {$(VPATH)}internal/attr/noreturn.h
+rational.$(OBJEXT): {$(VPATH)}internal/attr/packed_struct.h
 rational.$(OBJEXT): {$(VPATH)}internal/attr/pure.h
 rational.$(OBJEXT): {$(VPATH)}internal/attr/restrict.h
 rational.$(OBJEXT): {$(VPATH)}internal/attr/returns_nonnull.h
@@ -12378,6 +12428,7 @@ re.$(OBJEXT): {$(VPATH)}internal/attr/noexcept.h
 re.$(OBJEXT): {$(VPATH)}internal/attr/noinline.h
 re.$(OBJEXT): {$(VPATH)}internal/attr/nonnull.h
 re.$(OBJEXT): {$(VPATH)}internal/attr/noreturn.h
+re.$(OBJEXT): {$(VPATH)}internal/attr/packed_struct.h
 re.$(OBJEXT): {$(VPATH)}internal/attr/pure.h
 re.$(OBJEXT): {$(VPATH)}internal/attr/restrict.h
 re.$(OBJEXT): {$(VPATH)}internal/attr/returns_nonnull.h
@@ -12554,6 +12605,7 @@ regcomp.$(OBJEXT): {$(VPATH)}internal/attr/noexcept.h
 regcomp.$(OBJEXT): {$(VPATH)}internal/attr/noinline.h
 regcomp.$(OBJEXT): {$(VPATH)}internal/attr/nonnull.h
 regcomp.$(OBJEXT): {$(VPATH)}internal/attr/noreturn.h
+regcomp.$(OBJEXT): {$(VPATH)}internal/attr/packed_struct.h
 regcomp.$(OBJEXT): {$(VPATH)}internal/attr/pure.h
 regcomp.$(OBJEXT): {$(VPATH)}internal/attr/restrict.h
 regcomp.$(OBJEXT): {$(VPATH)}internal/attr/returns_nonnull.h
@@ -12716,6 +12768,7 @@ regenc.$(OBJEXT): {$(VPATH)}internal/attr/noexcept.h
 regenc.$(OBJEXT): {$(VPATH)}internal/attr/noinline.h
 regenc.$(OBJEXT): {$(VPATH)}internal/attr/nonnull.h
 regenc.$(OBJEXT): {$(VPATH)}internal/attr/noreturn.h
+regenc.$(OBJEXT): {$(VPATH)}internal/attr/packed_struct.h
 regenc.$(OBJEXT): {$(VPATH)}internal/attr/pure.h
 regenc.$(OBJEXT): {$(VPATH)}internal/attr/restrict.h
 regenc.$(OBJEXT): {$(VPATH)}internal/attr/returns_nonnull.h
@@ -12877,6 +12930,7 @@ regerror.$(OBJEXT): {$(VPATH)}internal/attr/noexcept.h
 regerror.$(OBJEXT): {$(VPATH)}internal/attr/noinline.h
 regerror.$(OBJEXT): {$(VPATH)}internal/attr/nonnull.h
 regerror.$(OBJEXT): {$(VPATH)}internal/attr/noreturn.h
+regerror.$(OBJEXT): {$(VPATH)}internal/attr/packed_struct.h
 regerror.$(OBJEXT): {$(VPATH)}internal/attr/pure.h
 regerror.$(OBJEXT): {$(VPATH)}internal/attr/restrict.h
 regerror.$(OBJEXT): {$(VPATH)}internal/attr/returns_nonnull.h
@@ -13038,6 +13092,7 @@ regexec.$(OBJEXT): {$(VPATH)}internal/attr/noexcept.h
 regexec.$(OBJEXT): {$(VPATH)}internal/attr/noinline.h
 regexec.$(OBJEXT): {$(VPATH)}internal/attr/nonnull.h
 regexec.$(OBJEXT): {$(VPATH)}internal/attr/noreturn.h
+regexec.$(OBJEXT): {$(VPATH)}internal/attr/packed_struct.h
 regexec.$(OBJEXT): {$(VPATH)}internal/attr/pure.h
 regexec.$(OBJEXT): {$(VPATH)}internal/attr/restrict.h
 regexec.$(OBJEXT): {$(VPATH)}internal/attr/returns_nonnull.h
@@ -13203,6 +13258,7 @@ regparse.$(OBJEXT): {$(VPATH)}internal/attr/noexcept.h
 regparse.$(OBJEXT): {$(VPATH)}internal/attr/noinline.h
 regparse.$(OBJEXT): {$(VPATH)}internal/attr/nonnull.h
 regparse.$(OBJEXT): {$(VPATH)}internal/attr/noreturn.h
+regparse.$(OBJEXT): {$(VPATH)}internal/attr/packed_struct.h
 regparse.$(OBJEXT): {$(VPATH)}internal/attr/pure.h
 regparse.$(OBJEXT): {$(VPATH)}internal/attr/restrict.h
 regparse.$(OBJEXT): {$(VPATH)}internal/attr/returns_nonnull.h
@@ -13365,6 +13421,7 @@ regsyntax.$(OBJEXT): {$(VPATH)}internal/attr/noexcept.h
 regsyntax.$(OBJEXT): {$(VPATH)}internal/attr/noinline.h
 regsyntax.$(OBJEXT): {$(VPATH)}internal/attr/nonnull.h
 regsyntax.$(OBJEXT): {$(VPATH)}internal/attr/noreturn.h
+regsyntax.$(OBJEXT): {$(VPATH)}internal/attr/packed_struct.h
 regsyntax.$(OBJEXT): {$(VPATH)}internal/attr/pure.h
 regsyntax.$(OBJEXT): {$(VPATH)}internal/attr/restrict.h
 regsyntax.$(OBJEXT): {$(VPATH)}internal/attr/returns_nonnull.h
@@ -13577,6 +13634,7 @@ ruby.$(OBJEXT): {$(VPATH)}internal/attr/noexcept.h
 ruby.$(OBJEXT): {$(VPATH)}internal/attr/noinline.h
 ruby.$(OBJEXT): {$(VPATH)}internal/attr/nonnull.h
 ruby.$(OBJEXT): {$(VPATH)}internal/attr/noreturn.h
+ruby.$(OBJEXT): {$(VPATH)}internal/attr/packed_struct.h
 ruby.$(OBJEXT): {$(VPATH)}internal/attr/pure.h
 ruby.$(OBJEXT): {$(VPATH)}internal/attr/restrict.h
 ruby.$(OBJEXT): {$(VPATH)}internal/attr/returns_nonnull.h
@@ -13783,6 +13841,7 @@ scheduler.$(OBJEXT): {$(VPATH)}internal/attr/noexcept.h
 scheduler.$(OBJEXT): {$(VPATH)}internal/attr/noinline.h
 scheduler.$(OBJEXT): {$(VPATH)}internal/attr/nonnull.h
 scheduler.$(OBJEXT): {$(VPATH)}internal/attr/noreturn.h
+scheduler.$(OBJEXT): {$(VPATH)}internal/attr/packed_struct.h
 scheduler.$(OBJEXT): {$(VPATH)}internal/attr/pure.h
 scheduler.$(OBJEXT): {$(VPATH)}internal/attr/restrict.h
 scheduler.$(OBJEXT): {$(VPATH)}internal/attr/returns_nonnull.h
@@ -13963,6 +14022,7 @@ setproctitle.$(OBJEXT): {$(VPATH)}internal/attr/noexcept.h
 setproctitle.$(OBJEXT): {$(VPATH)}internal/attr/noinline.h
 setproctitle.$(OBJEXT): {$(VPATH)}internal/attr/nonnull.h
 setproctitle.$(OBJEXT): {$(VPATH)}internal/attr/noreturn.h
+setproctitle.$(OBJEXT): {$(VPATH)}internal/attr/packed_struct.h
 setproctitle.$(OBJEXT): {$(VPATH)}internal/attr/pure.h
 setproctitle.$(OBJEXT): {$(VPATH)}internal/attr/restrict.h
 setproctitle.$(OBJEXT): {$(VPATH)}internal/attr/returns_nonnull.h
@@ -14146,6 +14206,7 @@ shape.$(OBJEXT): {$(VPATH)}internal/attr/noexcept.h
 shape.$(OBJEXT): {$(VPATH)}internal/attr/noinline.h
 shape.$(OBJEXT): {$(VPATH)}internal/attr/nonnull.h
 shape.$(OBJEXT): {$(VPATH)}internal/attr/noreturn.h
+shape.$(OBJEXT): {$(VPATH)}internal/attr/packed_struct.h
 shape.$(OBJEXT): {$(VPATH)}internal/attr/pure.h
 shape.$(OBJEXT): {$(VPATH)}internal/attr/restrict.h
 shape.$(OBJEXT): {$(VPATH)}internal/attr/returns_nonnull.h
@@ -14355,6 +14416,7 @@ signal.$(OBJEXT): {$(VPATH)}internal/attr/noexcept.h
 signal.$(OBJEXT): {$(VPATH)}internal/attr/noinline.h
 signal.$(OBJEXT): {$(VPATH)}internal/attr/nonnull.h
 signal.$(OBJEXT): {$(VPATH)}internal/attr/noreturn.h
+signal.$(OBJEXT): {$(VPATH)}internal/attr/packed_struct.h
 signal.$(OBJEXT): {$(VPATH)}internal/attr/pure.h
 signal.$(OBJEXT): {$(VPATH)}internal/attr/restrict.h
 signal.$(OBJEXT): {$(VPATH)}internal/attr/returns_nonnull.h
@@ -14559,6 +14621,7 @@ sprintf.$(OBJEXT): {$(VPATH)}internal/attr/noexcept.h
 sprintf.$(OBJEXT): {$(VPATH)}internal/attr/noinline.h
 sprintf.$(OBJEXT): {$(VPATH)}internal/attr/nonnull.h
 sprintf.$(OBJEXT): {$(VPATH)}internal/attr/noreturn.h
+sprintf.$(OBJEXT): {$(VPATH)}internal/attr/packed_struct.h
 sprintf.$(OBJEXT): {$(VPATH)}internal/attr/pure.h
 sprintf.$(OBJEXT): {$(VPATH)}internal/attr/restrict.h
 sprintf.$(OBJEXT): {$(VPATH)}internal/attr/returns_nonnull.h
@@ -14741,6 +14804,7 @@ st.$(OBJEXT): {$(VPATH)}internal/attr/noexcept.h
 st.$(OBJEXT): {$(VPATH)}internal/attr/noinline.h
 st.$(OBJEXT): {$(VPATH)}internal/attr/nonnull.h
 st.$(OBJEXT): {$(VPATH)}internal/attr/noreturn.h
+st.$(OBJEXT): {$(VPATH)}internal/attr/packed_struct.h
 st.$(OBJEXT): {$(VPATH)}internal/attr/pure.h
 st.$(OBJEXT): {$(VPATH)}internal/attr/restrict.h
 st.$(OBJEXT): {$(VPATH)}internal/attr/returns_nonnull.h
@@ -14907,6 +14971,7 @@ strftime.$(OBJEXT): {$(VPATH)}internal/attr/noexcept.h
 strftime.$(OBJEXT): {$(VPATH)}internal/attr/noinline.h
 strftime.$(OBJEXT): {$(VPATH)}internal/attr/nonnull.h
 strftime.$(OBJEXT): {$(VPATH)}internal/attr/noreturn.h
+strftime.$(OBJEXT): {$(VPATH)}internal/attr/packed_struct.h
 strftime.$(OBJEXT): {$(VPATH)}internal/attr/pure.h
 strftime.$(OBJEXT): {$(VPATH)}internal/attr/restrict.h
 strftime.$(OBJEXT): {$(VPATH)}internal/attr/returns_nonnull.h
@@ -15110,6 +15175,7 @@ string.$(OBJEXT): {$(VPATH)}internal/attr/noexcept.h
 string.$(OBJEXT): {$(VPATH)}internal/attr/noinline.h
 string.$(OBJEXT): {$(VPATH)}internal/attr/nonnull.h
 string.$(OBJEXT): {$(VPATH)}internal/attr/noreturn.h
+string.$(OBJEXT): {$(VPATH)}internal/attr/packed_struct.h
 string.$(OBJEXT): {$(VPATH)}internal/attr/pure.h
 string.$(OBJEXT): {$(VPATH)}internal/attr/restrict.h
 string.$(OBJEXT): {$(VPATH)}internal/attr/returns_nonnull.h
@@ -15349,6 +15415,7 @@ struct.$(OBJEXT): {$(VPATH)}internal/attr/noexcept.h
 struct.$(OBJEXT): {$(VPATH)}internal/attr/noinline.h
 struct.$(OBJEXT): {$(VPATH)}internal/attr/nonnull.h
 struct.$(OBJEXT): {$(VPATH)}internal/attr/noreturn.h
+struct.$(OBJEXT): {$(VPATH)}internal/attr/packed_struct.h
 struct.$(OBJEXT): {$(VPATH)}internal/attr/pure.h
 struct.$(OBJEXT): {$(VPATH)}internal/attr/restrict.h
 struct.$(OBJEXT): {$(VPATH)}internal/attr/returns_nonnull.h
@@ -15551,6 +15618,7 @@ symbol.$(OBJEXT): {$(VPATH)}internal/attr/noexcept.h
 symbol.$(OBJEXT): {$(VPATH)}internal/attr/noinline.h
 symbol.$(OBJEXT): {$(VPATH)}internal/attr/nonnull.h
 symbol.$(OBJEXT): {$(VPATH)}internal/attr/noreturn.h
+symbol.$(OBJEXT): {$(VPATH)}internal/attr/packed_struct.h
 symbol.$(OBJEXT): {$(VPATH)}internal/attr/pure.h
 symbol.$(OBJEXT): {$(VPATH)}internal/attr/restrict.h
 symbol.$(OBJEXT): {$(VPATH)}internal/attr/returns_nonnull.h
@@ -15769,6 +15837,7 @@ thread.$(OBJEXT): {$(VPATH)}internal/attr/noexcept.h
 thread.$(OBJEXT): {$(VPATH)}internal/attr/noinline.h
 thread.$(OBJEXT): {$(VPATH)}internal/attr/nonnull.h
 thread.$(OBJEXT): {$(VPATH)}internal/attr/noreturn.h
+thread.$(OBJEXT): {$(VPATH)}internal/attr/packed_struct.h
 thread.$(OBJEXT): {$(VPATH)}internal/attr/pure.h
 thread.$(OBJEXT): {$(VPATH)}internal/attr/restrict.h
 thread.$(OBJEXT): {$(VPATH)}internal/attr/returns_nonnull.h
@@ -15983,6 +16052,7 @@ time.$(OBJEXT): {$(VPATH)}internal/attr/noexcept.h
 time.$(OBJEXT): {$(VPATH)}internal/attr/noinline.h
 time.$(OBJEXT): {$(VPATH)}internal/attr/nonnull.h
 time.$(OBJEXT): {$(VPATH)}internal/attr/noreturn.h
+time.$(OBJEXT): {$(VPATH)}internal/attr/packed_struct.h
 time.$(OBJEXT): {$(VPATH)}internal/attr/pure.h
 time.$(OBJEXT): {$(VPATH)}internal/attr/restrict.h
 time.$(OBJEXT): {$(VPATH)}internal/attr/returns_nonnull.h
@@ -16173,6 +16243,7 @@ transcode.$(OBJEXT): {$(VPATH)}internal/attr/noexcept.h
 transcode.$(OBJEXT): {$(VPATH)}internal/attr/noinline.h
 transcode.$(OBJEXT): {$(VPATH)}internal/attr/nonnull.h
 transcode.$(OBJEXT): {$(VPATH)}internal/attr/noreturn.h
+transcode.$(OBJEXT): {$(VPATH)}internal/attr/packed_struct.h
 transcode.$(OBJEXT): {$(VPATH)}internal/attr/pure.h
 transcode.$(OBJEXT): {$(VPATH)}internal/attr/restrict.h
 transcode.$(OBJEXT): {$(VPATH)}internal/attr/returns_nonnull.h
@@ -16359,6 +16430,7 @@ transient_heap.$(OBJEXT): {$(VPATH)}internal/attr/noexcept.h
 transient_heap.$(OBJEXT): {$(VPATH)}internal/attr/noinline.h
 transient_heap.$(OBJEXT): {$(VPATH)}internal/attr/nonnull.h
 transient_heap.$(OBJEXT): {$(VPATH)}internal/attr/noreturn.h
+transient_heap.$(OBJEXT): {$(VPATH)}internal/attr/packed_struct.h
 transient_heap.$(OBJEXT): {$(VPATH)}internal/attr/pure.h
 transient_heap.$(OBJEXT): {$(VPATH)}internal/attr/restrict.h
 transient_heap.$(OBJEXT): {$(VPATH)}internal/attr/returns_nonnull.h
@@ -16529,6 +16601,7 @@ util.$(OBJEXT): {$(VPATH)}internal/attr/noexcept.h
 util.$(OBJEXT): {$(VPATH)}internal/attr/noinline.h
 util.$(OBJEXT): {$(VPATH)}internal/attr/nonnull.h
 util.$(OBJEXT): {$(VPATH)}internal/attr/noreturn.h
+util.$(OBJEXT): {$(VPATH)}internal/attr/packed_struct.h
 util.$(OBJEXT): {$(VPATH)}internal/attr/pure.h
 util.$(OBJEXT): {$(VPATH)}internal/attr/restrict.h
 util.$(OBJEXT): {$(VPATH)}internal/attr/returns_nonnull.h
@@ -16719,6 +16792,7 @@ variable.$(OBJEXT): {$(VPATH)}internal/attr/noexcept.h
 variable.$(OBJEXT): {$(VPATH)}internal/attr/noinline.h
 variable.$(OBJEXT): {$(VPATH)}internal/attr/nonnull.h
 variable.$(OBJEXT): {$(VPATH)}internal/attr/noreturn.h
+variable.$(OBJEXT): {$(VPATH)}internal/attr/packed_struct.h
 variable.$(OBJEXT): {$(VPATH)}internal/attr/pure.h
 variable.$(OBJEXT): {$(VPATH)}internal/attr/restrict.h
 variable.$(OBJEXT): {$(VPATH)}internal/attr/returns_nonnull.h
@@ -16928,6 +17002,7 @@ version.$(OBJEXT): {$(VPATH)}internal/attr/noexcept.h
 version.$(OBJEXT): {$(VPATH)}internal/attr/noinline.h
 version.$(OBJEXT): {$(VPATH)}internal/attr/nonnull.h
 version.$(OBJEXT): {$(VPATH)}internal/attr/noreturn.h
+version.$(OBJEXT): {$(VPATH)}internal/attr/packed_struct.h
 version.$(OBJEXT): {$(VPATH)}internal/attr/pure.h
 version.$(OBJEXT): {$(VPATH)}internal/attr/restrict.h
 version.$(OBJEXT): {$(VPATH)}internal/attr/returns_nonnull.h
@@ -17149,6 +17224,7 @@ vm.$(OBJEXT): {$(VPATH)}internal/attr/noexcept.h
 vm.$(OBJEXT): {$(VPATH)}internal/attr/noinline.h
 vm.$(OBJEXT): {$(VPATH)}internal/attr/nonnull.h
 vm.$(OBJEXT): {$(VPATH)}internal/attr/noreturn.h
+vm.$(OBJEXT): {$(VPATH)}internal/attr/packed_struct.h
 vm.$(OBJEXT): {$(VPATH)}internal/attr/pure.h
 vm.$(OBJEXT): {$(VPATH)}internal/attr/restrict.h
 vm.$(OBJEXT): {$(VPATH)}internal/attr/returns_nonnull.h
@@ -17374,6 +17450,7 @@ vm_backtrace.$(OBJEXT): {$(VPATH)}internal/attr/noexcept.h
 vm_backtrace.$(OBJEXT): {$(VPATH)}internal/attr/noinline.h
 vm_backtrace.$(OBJEXT): {$(VPATH)}internal/attr/nonnull.h
 vm_backtrace.$(OBJEXT): {$(VPATH)}internal/attr/noreturn.h
+vm_backtrace.$(OBJEXT): {$(VPATH)}internal/attr/packed_struct.h
 vm_backtrace.$(OBJEXT): {$(VPATH)}internal/attr/pure.h
 vm_backtrace.$(OBJEXT): {$(VPATH)}internal/attr/restrict.h
 vm_backtrace.$(OBJEXT): {$(VPATH)}internal/attr/returns_nonnull.h
@@ -17574,6 +17651,7 @@ vm_dump.$(OBJEXT): {$(VPATH)}internal/attr/noexcept.h
 vm_dump.$(OBJEXT): {$(VPATH)}internal/attr/noinline.h
 vm_dump.$(OBJEXT): {$(VPATH)}internal/attr/nonnull.h
 vm_dump.$(OBJEXT): {$(VPATH)}internal/attr/noreturn.h
+vm_dump.$(OBJEXT): {$(VPATH)}internal/attr/packed_struct.h
 vm_dump.$(OBJEXT): {$(VPATH)}internal/attr/pure.h
 vm_dump.$(OBJEXT): {$(VPATH)}internal/attr/restrict.h
 vm_dump.$(OBJEXT): {$(VPATH)}internal/attr/returns_nonnull.h
@@ -17767,6 +17845,7 @@ vm_sync.$(OBJEXT): {$(VPATH)}internal/attr/noexcept.h
 vm_sync.$(OBJEXT): {$(VPATH)}internal/attr/noinline.h
 vm_sync.$(OBJEXT): {$(VPATH)}internal/attr/nonnull.h
 vm_sync.$(OBJEXT): {$(VPATH)}internal/attr/noreturn.h
+vm_sync.$(OBJEXT): {$(VPATH)}internal/attr/packed_struct.h
 vm_sync.$(OBJEXT): {$(VPATH)}internal/attr/pure.h
 vm_sync.$(OBJEXT): {$(VPATH)}internal/attr/restrict.h
 vm_sync.$(OBJEXT): {$(VPATH)}internal/attr/returns_nonnull.h
@@ -17965,6 +18044,7 @@ vm_trace.$(OBJEXT): {$(VPATH)}internal/attr/noexcept.h
 vm_trace.$(OBJEXT): {$(VPATH)}internal/attr/noinline.h
 vm_trace.$(OBJEXT): {$(VPATH)}internal/attr/nonnull.h
 vm_trace.$(OBJEXT): {$(VPATH)}internal/attr/noreturn.h
+vm_trace.$(OBJEXT): {$(VPATH)}internal/attr/packed_struct.h
 vm_trace.$(OBJEXT): {$(VPATH)}internal/attr/pure.h
 vm_trace.$(OBJEXT): {$(VPATH)}internal/attr/restrict.h
 vm_trace.$(OBJEXT): {$(VPATH)}internal/attr/returns_nonnull.h
@@ -18182,6 +18262,7 @@ yjit.$(OBJEXT): {$(VPATH)}internal/attr/noexcept.h
 yjit.$(OBJEXT): {$(VPATH)}internal/attr/noinline.h
 yjit.$(OBJEXT): {$(VPATH)}internal/attr/nonnull.h
 yjit.$(OBJEXT): {$(VPATH)}internal/attr/noreturn.h
+yjit.$(OBJEXT): {$(VPATH)}internal/attr/packed_struct.h
 yjit.$(OBJEXT): {$(VPATH)}internal/attr/pure.h
 yjit.$(OBJEXT): {$(VPATH)}internal/attr/restrict.h
 yjit.$(OBJEXT): {$(VPATH)}internal/attr/returns_nonnull.h

configure.ac

@@ -1484,10 +1484,9 @@ AC_CACHE_CHECK(packed struct attribute, rb_cv_packed_struct,
 		[rb_cv_packed_struct=$mac; break])
     done])
 AS_IF([test "$rb_cv_packed_struct" != no], [
-    AC_DEFINE_UNQUOTED([PACKED_STRUCT(x)], [$rb_cv_packed_struct])
+    AC_DEFINE_UNQUOTED([RBIMPL_ATTR_PACKED_STRUCT_BEGIN()], [`echo " $rb_cv_packed_struct " | sed 's/ x .*//;s/^ *//'`])
+    AC_DEFINE_UNQUOTED([RBIMPL_ATTR_PACKED_STRUCT_END()], [`echo " $rb_cv_packed_struct " | sed 's/.* x //;s/ *$//'`])
     RUBY_TRY_CFLAGS(-Wno-address-of-packed-member, [AC_DEFINE(USE_UNALIGNED_MEMBER_ACCESS)])
-], [
-    AC_DEFINE_UNQUOTED([PACKED_STRUCT(x)], x)
 ])
 
 AS_IF([test "x$ac_cv_type_long_long" = xyes], [

enc/depend

@@ -234,6 +234,7 @@ enc/ascii.$(OBJEXT): internal/attr/noexcept.h
 enc/ascii.$(OBJEXT): internal/attr/noinline.h
 enc/ascii.$(OBJEXT): internal/attr/nonnull.h
 enc/ascii.$(OBJEXT): internal/attr/noreturn.h
+enc/ascii.$(OBJEXT): internal/attr/packed_struct.h
 enc/ascii.$(OBJEXT): internal/attr/pure.h
 enc/ascii.$(OBJEXT): internal/attr/restrict.h
 enc/ascii.$(OBJEXT): internal/attr/returns_nonnull.h
@@ -405,6 +406,7 @@ enc/big5.$(OBJEXT): internal/attr/noexcept.h
 enc/big5.$(OBJEXT): internal/attr/noinline.h
 enc/big5.$(OBJEXT): internal/attr/nonnull.h
 enc/big5.$(OBJEXT): internal/attr/noreturn.h
+enc/big5.$(OBJEXT): internal/attr/packed_struct.h
 enc/big5.$(OBJEXT): internal/attr/pure.h
 enc/big5.$(OBJEXT): internal/attr/restrict.h
 enc/big5.$(OBJEXT): internal/attr/returns_nonnull.h
@@ -568,6 +570,7 @@ enc/cesu_8.$(OBJEXT): internal/attr/noexcept.h
 enc/cesu_8.$(OBJEXT): internal/attr/noinline.h
 enc/cesu_8.$(OBJEXT): internal/attr/nonnull.h
 enc/cesu_8.$(OBJEXT): internal/attr/noreturn.h
+enc/cesu_8.$(OBJEXT): internal/attr/packed_struct.h
 enc/cesu_8.$(OBJEXT): internal/attr/pure.h
 enc/cesu_8.$(OBJEXT): internal/attr/restrict.h
 enc/cesu_8.$(OBJEXT): internal/attr/returns_nonnull.h
@@ -739,6 +742,7 @@ enc/cp949.$(OBJEXT): internal/attr/noexcept.h
 enc/cp949.$(OBJEXT): internal/attr/noinline.h
 enc/cp949.$(OBJEXT): internal/attr/nonnull.h
 enc/cp949.$(OBJEXT): internal/attr/noreturn.h
+enc/cp949.$(OBJEXT): internal/attr/packed_struct.h
 enc/cp949.$(OBJEXT): internal/attr/pure.h
 enc/cp949.$(OBJEXT): internal/attr/restrict.h
 enc/cp949.$(OBJEXT): internal/attr/returns_nonnull.h
@@ -900,6 +904,7 @@ enc/emacs_mule.$(OBJEXT): internal/attr/noexcept.h
 enc/emacs_mule.$(OBJEXT): internal/attr/noinline.h
 enc/emacs_mule.$(OBJEXT): internal/attr/nonnull.h
 enc/emacs_mule.$(OBJEXT): internal/attr/noreturn.h
+enc/emacs_mule.$(OBJEXT): internal/attr/packed_struct.h
 enc/emacs_mule.$(OBJEXT): internal/attr/pure.h
 enc/emacs_mule.$(OBJEXT): internal/attr/restrict.h
 enc/emacs_mule.$(OBJEXT): internal/attr/returns_nonnull.h
@@ -1062,6 +1067,7 @@ enc/encdb.$(OBJEXT): internal/attr/noexcept.h
 enc/encdb.$(OBJEXT): internal/attr/noinline.h
 enc/encdb.$(OBJEXT): internal/attr/nonnull.h
 enc/encdb.$(OBJEXT): internal/attr/noreturn.h
+enc/encdb.$(OBJEXT): internal/attr/packed_struct.h
 enc/encdb.$(OBJEXT): internal/attr/pure.h
 enc/encdb.$(OBJEXT): internal/attr/restrict.h
 enc/encdb.$(OBJEXT): internal/attr/returns_nonnull.h
@@ -1235,6 +1241,7 @@ enc/euc_jp.$(OBJEXT): internal/attr/noexcept.h
 enc/euc_jp.$(OBJEXT): internal/attr/noinline.h
 enc/euc_jp.$(OBJEXT): internal/attr/nonnull.h
 enc/euc_jp.$(OBJEXT): internal/attr/noreturn.h
+enc/euc_jp.$(OBJEXT): internal/attr/packed_struct.h
 enc/euc_jp.$(OBJEXT): internal/attr/pure.h
 enc/euc_jp.$(OBJEXT): internal/attr/restrict.h
 enc/euc_jp.$(OBJEXT): internal/attr/returns_nonnull.h
@@ -1396,6 +1403,7 @@ enc/euc_kr.$(OBJEXT): internal/attr/noexcept.h
 enc/euc_kr.$(OBJEXT): internal/attr/noinline.h
 enc/euc_kr.$(OBJEXT): internal/attr/nonnull.h
 enc/euc_kr.$(OBJEXT): internal/attr/noreturn.h
+enc/euc_kr.$(OBJEXT): internal/attr/packed_struct.h
 enc/euc_kr.$(OBJEXT): internal/attr/pure.h
 enc/euc_kr.$(OBJEXT): internal/attr/restrict.h
 enc/euc_kr.$(OBJEXT): internal/attr/returns_nonnull.h
@@ -1557,6 +1565,7 @@ enc/euc_tw.$(OBJEXT): internal/attr/noexcept.h
 enc/euc_tw.$(OBJEXT): internal/attr/noinline.h
 enc/euc_tw.$(OBJEXT): internal/attr/nonnull.h
 enc/euc_tw.$(OBJEXT): internal/attr/noreturn.h
+enc/euc_tw.$(OBJEXT): internal/attr/packed_struct.h
 enc/euc_tw.$(OBJEXT): internal/attr/pure.h
 enc/euc_tw.$(OBJEXT): internal/attr/restrict.h
 enc/euc_tw.$(OBJEXT): internal/attr/returns_nonnull.h
@@ -1718,6 +1727,7 @@ enc/gb18030.$(OBJEXT): internal/attr/noexcept.h
 enc/gb18030.$(OBJEXT): internal/attr/noinline.h
 enc/gb18030.$(OBJEXT): internal/attr/nonnull.h
 enc/gb18030.$(OBJEXT): internal/attr/noreturn.h
+enc/gb18030.$(OBJEXT): internal/attr/packed_struct.h
 enc/gb18030.$(OBJEXT): internal/attr/pure.h
 enc/gb18030.$(OBJEXT): internal/attr/restrict.h
 enc/gb18030.$(OBJEXT): internal/attr/returns_nonnull.h
@@ -1879,6 +1889,7 @@ enc/gb2312.$(OBJEXT): internal/attr/noexcept.h
 enc/gb2312.$(OBJEXT): internal/attr/noinline.h
 enc/gb2312.$(OBJEXT): internal/attr/nonnull.h
 enc/gb2312.$(OBJEXT): internal/attr/noreturn.h
+enc/gb2312.$(OBJEXT): internal/attr/packed_struct.h
 enc/gb2312.$(OBJEXT): internal/attr/pure.h
 enc/gb2312.$(OBJEXT): internal/attr/restrict.h
 enc/gb2312.$(OBJEXT): internal/attr/returns_nonnull.h
@@ -2040,6 +2051,7 @@ enc/gbk.$(OBJEXT): internal/attr/noexcept.h
 enc/gbk.$(OBJEXT): internal/attr/noinline.h
 enc/gbk.$(OBJEXT): internal/attr/nonnull.h
 enc/gbk.$(OBJEXT): internal/attr/noreturn.h
+enc/gbk.$(OBJEXT): internal/attr/packed_struct.h
 enc/gbk.$(OBJEXT): internal/attr/pure.h
 enc/gbk.$(OBJEXT): internal/attr/restrict.h
 enc/gbk.$(OBJEXT): internal/attr/returns_nonnull.h
@@ -2202,6 +2214,7 @@ enc/iso_8859_1.$(OBJEXT): internal/attr/noexcept.h
 enc/iso_8859_1.$(OBJEXT): internal/attr/noinline.h
 enc/iso_8859_1.$(OBJEXT): internal/attr/nonnull.h
 enc/iso_8859_1.$(OBJEXT): internal/attr/noreturn.h
+enc/iso_8859_1.$(OBJEXT): internal/attr/packed_struct.h
 enc/iso_8859_1.$(OBJEXT): internal/attr/pure.h
 enc/iso_8859_1.$(OBJEXT): internal/attr/restrict.h
 enc/iso_8859_1.$(OBJEXT): internal/attr/returns_nonnull.h
@@ -2364,6 +2377,7 @@ enc/iso_8859_10.$(OBJEXT): internal/attr/noexcept.h
 enc/iso_8859_10.$(OBJEXT): internal/attr/noinline.h
 enc/iso_8859_10.$(OBJEXT): internal/attr/nonnull.h
 enc/iso_8859_10.$(OBJEXT): internal/attr/noreturn.h
+enc/iso_8859_10.$(OBJEXT): internal/attr/packed_struct.h
 enc/iso_8859_10.$(OBJEXT): internal/attr/pure.h
 enc/iso_8859_10.$(OBJEXT): internal/attr/restrict.h
 enc/iso_8859_10.$(OBJEXT): internal/attr/returns_nonnull.h
@@ -2525,6 +2539,7 @@ enc/iso_8859_11.$(OBJEXT): internal/attr/noexcept.h
 enc/iso_8859_11.$(OBJEXT): internal/attr/noinline.h
 enc/iso_8859_11.$(OBJEXT): internal/attr/nonnull.h
 enc/iso_8859_11.$(OBJEXT): internal/attr/noreturn.h
+enc/iso_8859_11.$(OBJEXT): internal/attr/packed_struct.h
 enc/iso_8859_11.$(OBJEXT): internal/attr/pure.h
 enc/iso_8859_11.$(OBJEXT): internal/attr/restrict.h
 enc/iso_8859_11.$(OBJEXT): internal/attr/returns_nonnull.h
@@ -2687,6 +2702,7 @@ enc/iso_8859_13.$(OBJEXT): internal/attr/noexcept.h
 enc/iso_8859_13.$(OBJEXT): internal/attr/noinline.h
 enc/iso_8859_13.$(OBJEXT): internal/attr/nonnull.h
 enc/iso_8859_13.$(OBJEXT): internal/attr/noreturn.h
+enc/iso_8859_13.$(OBJEXT): internal/attr/packed_struct.h
 enc/iso_8859_13.$(OBJEXT): internal/attr/pure.h
 enc/iso_8859_13.$(OBJEXT): internal/attr/restrict.h
 enc/iso_8859_13.$(OBJEXT): internal/attr/returns_nonnull.h
@@ -2849,6 +2865,7 @@ enc/iso_8859_14.$(OBJEXT): internal/attr/noexcept.h
 enc/iso_8859_14.$(OBJEXT): internal/attr/noinline.h
 enc/iso_8859_14.$(OBJEXT): internal/attr/nonnull.h
 enc/iso_8859_14.$(OBJEXT): internal/attr/noreturn.h
+enc/iso_8859_14.$(OBJEXT): internal/attr/packed_struct.h
 enc/iso_8859_14.$(OBJEXT): internal/attr/pure.h
 enc/iso_8859_14.$(OBJEXT): internal/attr/restrict.h
 enc/iso_8859_14.$(OBJEXT): internal/attr/returns_nonnull.h
@@ -3011,6 +3028,7 @@ enc/iso_8859_15.$(OBJEXT): internal/attr/noexcept.h
 enc/iso_8859_15.$(OBJEXT): internal/attr/noinline.h
 enc/iso_8859_15.$(OBJEXT): internal/attr/nonnull.h
 enc/iso_8859_15.$(OBJEXT): internal/attr/noreturn.h
+enc/iso_8859_15.$(OBJEXT): internal/attr/packed_struct.h
 enc/iso_8859_15.$(OBJEXT): internal/attr/pure.h
 enc/iso_8859_15.$(OBJEXT): internal/attr/restrict.h
 enc/iso_8859_15.$(OBJEXT): internal/attr/returns_nonnull.h
@@ -3173,6 +3191,7 @@ enc/iso_8859_16.$(OBJEXT): internal/attr/noexcept.h
 enc/iso_8859_16.$(OBJEXT): internal/attr/noinline.h
 enc/iso_8859_16.$(OBJEXT): internal/attr/nonnull.h
 enc/iso_8859_16.$(OBJEXT): internal/attr/noreturn.h
+enc/iso_8859_16.$(OBJEXT): internal/attr/packed_struct.h
 enc/iso_8859_16.$(OBJEXT): internal/attr/pure.h
 enc/iso_8859_16.$(OBJEXT): internal/attr/restrict.h
 enc/iso_8859_16.$(OBJEXT): internal/attr/returns_nonnull.h
@@ -3335,6 +3354,7 @@ enc/iso_8859_2.$(OBJEXT): internal/attr/noexcept.h
 enc/iso_8859_2.$(OBJEXT): internal/attr/noinline.h
 enc/iso_8859_2.$(OBJEXT): internal/attr/nonnull.h
 enc/iso_8859_2.$(OBJEXT): internal/attr/noreturn.h
+enc/iso_8859_2.$(OBJEXT): internal/attr/packed_struct.h
 enc/iso_8859_2.$(OBJEXT): internal/attr/pure.h
 enc/iso_8859_2.$(OBJEXT): internal/attr/restrict.h
 enc/iso_8859_2.$(OBJEXT): internal/attr/returns_nonnull.h
@@ -3497,6 +3517,7 @@ enc/iso_8859_3.$(OBJEXT): internal/attr/noexcept.h
 enc/iso_8859_3.$(OBJEXT): internal/attr/noinline.h
 enc/iso_8859_3.$(OBJEXT): internal/attr/nonnull.h
 enc/iso_8859_3.$(OBJEXT): internal/attr/noreturn.h
+enc/iso_8859_3.$(OBJEXT): internal/attr/packed_struct.h
 enc/iso_8859_3.$(OBJEXT): internal/attr/pure.h
 enc/iso_8859_3.$(OBJEXT): internal/attr/restrict.h
 enc/iso_8859_3.$(OBJEXT): internal/attr/returns_nonnull.h
@@ -3659,6 +3680,7 @@ enc/iso_8859_4.$(OBJEXT): internal/attr/noexcept.h
 enc/iso_8859_4.$(OBJEXT): internal/attr/noinline.h
 enc/iso_8859_4.$(OBJEXT): internal/attr/nonnull.h
 enc/iso_8859_4.$(OBJEXT): internal/attr/noreturn.h
+enc/iso_8859_4.$(OBJEXT): internal/attr/packed_struct.h
 enc/iso_8859_4.$(OBJEXT): internal/attr/pure.h
 enc/iso_8859_4.$(OBJEXT): internal/attr/restrict.h
 enc/iso_8859_4.$(OBJEXT): internal/attr/returns_nonnull.h
@@ -3820,6 +3842,7 @@ enc/iso_8859_5.$(OBJEXT): internal/attr/noexcept.h
 enc/iso_8859_5.$(OBJEXT): internal/attr/noinline.h
 enc/iso_8859_5.$(OBJEXT): internal/attr/nonnull.h
 enc/iso_8859_5.$(OBJEXT): internal/attr/noreturn.h
+enc/iso_8859_5.$(OBJEXT): internal/attr/packed_struct.h
 enc/iso_8859_5.$(OBJEXT): internal/attr/pure.h
 enc/iso_8859_5.$(OBJEXT): internal/attr/restrict.h
 enc/iso_8859_5.$(OBJEXT): internal/attr/returns_nonnull.h
@@ -3981,6 +4004,7 @@ enc/iso_8859_6.$(OBJEXT): internal/attr/noexcept.h
 enc/iso_8859_6.$(OBJEXT): internal/attr/noinline.h
 enc/iso_8859_6.$(OBJEXT): internal/attr/nonnull.h
 enc/iso_8859_6.$(OBJEXT): internal/attr/noreturn.h
+enc/iso_8859_6.$(OBJEXT): internal/attr/packed_struct.h
 enc/iso_8859_6.$(OBJEXT): internal/attr/pure.h
 enc/iso_8859_6.$(OBJEXT): internal/attr/restrict.h
 enc/iso_8859_6.$(OBJEXT): internal/attr/returns_nonnull.h
@@ -4142,6 +4166,7 @@ enc/iso_8859_7.$(OBJEXT): internal/attr/noexcept.h
 enc/iso_8859_7.$(OBJEXT): internal/attr/noinline.h
 enc/iso_8859_7.$(OBJEXT): internal/attr/nonnull.h
 enc/iso_8859_7.$(OBJEXT): internal/attr/noreturn.h
+enc/iso_8859_7.$(OBJEXT): internal/attr/packed_struct.h
 enc/iso_8859_7.$(OBJEXT): internal/attr/pure.h
 enc/iso_8859_7.$(OBJEXT): internal/attr/restrict.h
 enc/iso_8859_7.$(OBJEXT): internal/attr/returns_nonnull.h
@@ -4303,6 +4328,7 @@ enc/iso_8859_8.$(OBJEXT): internal/attr/noexcept.h
 enc/iso_8859_8.$(OBJEXT): internal/attr/noinline.h
 enc/iso_8859_8.$(OBJEXT): internal/attr/nonnull.h
 enc/iso_8859_8.$(OBJEXT): internal/attr/noreturn.h
+enc/iso_8859_8.$(OBJEXT): internal/attr/packed_struct.h
 enc/iso_8859_8.$(OBJEXT): internal/attr/pure.h
 enc/iso_8859_8.$(OBJEXT): internal/attr/restrict.h
 enc/iso_8859_8.$(OBJEXT): internal/attr/returns_nonnull.h
@@ -4465,6 +4491,7 @@ enc/iso_8859_9.$(OBJEXT): internal/attr/noexcept.h
 enc/iso_8859_9.$(OBJEXT): internal/attr/noinline.h
 enc/iso_8859_9.$(OBJEXT): internal/attr/nonnull.h
 enc/iso_8859_9.$(OBJEXT): internal/attr/noreturn.h
+enc/iso_8859_9.$(OBJEXT): internal/attr/packed_struct.h
 enc/iso_8859_9.$(OBJEXT): internal/attr/pure.h
 enc/iso_8859_9.$(OBJEXT): internal/attr/restrict.h
 enc/iso_8859_9.$(OBJEXT): internal/attr/returns_nonnull.h
@@ -4626,6 +4653,7 @@ enc/koi8_r.$(OBJEXT): internal/attr/noexcept.h
 enc/koi8_r.$(OBJEXT): internal/attr/noinline.h
 enc/koi8_r.$(OBJEXT): internal/attr/nonnull.h
 enc/koi8_r.$(OBJEXT): internal/attr/noreturn.h
+enc/koi8_r.$(OBJEXT): internal/attr/packed_struct.h
 enc/koi8_r.$(OBJEXT): internal/attr/pure.h
 enc/koi8_r.$(OBJEXT): internal/attr/restrict.h
 enc/koi8_r.$(OBJEXT): internal/attr/returns_nonnull.h
@@ -4787,6 +4815,7 @@ enc/koi8_u.$(OBJEXT): internal/attr/noexcept.h
 enc/koi8_u.$(OBJEXT): internal/attr/noinline.h
 enc/koi8_u.$(OBJEXT): internal/attr/nonnull.h
 enc/koi8_u.$(OBJEXT): internal/attr/noreturn.h
+enc/koi8_u.$(OBJEXT): internal/attr/packed_struct.h
 enc/koi8_u.$(OBJEXT): internal/attr/pure.h
 enc/koi8_u.$(OBJEXT): internal/attr/restrict.h
 enc/koi8_u.$(OBJEXT): internal/attr/returns_nonnull.h
@@ -4951,6 +4980,7 @@ enc/shift_jis.$(OBJEXT): internal/attr/noexcept.h
 enc/shift_jis.$(OBJEXT): internal/attr/noinline.h
 enc/shift_jis.$(OBJEXT): internal/attr/nonnull.h
 enc/shift_jis.$(OBJEXT): internal/attr/noreturn.h
+enc/shift_jis.$(OBJEXT): internal/attr/packed_struct.h
 enc/shift_jis.$(OBJEXT): internal/attr/pure.h
 enc/shift_jis.$(OBJEXT): internal/attr/restrict.h
 enc/shift_jis.$(OBJEXT): internal/attr/returns_nonnull.h
@@ -5111,6 +5141,7 @@ enc/trans/big5.$(OBJEXT): internal/attr/noexcept.h
 enc/trans/big5.$(OBJEXT): internal/attr/noinline.h
 enc/trans/big5.$(OBJEXT): internal/attr/nonnull.h
 enc/trans/big5.$(OBJEXT): internal/attr/noreturn.h
+enc/trans/big5.$(OBJEXT): internal/attr/packed_struct.h
 enc/trans/big5.$(OBJEXT): internal/attr/pure.h
 enc/trans/big5.$(OBJEXT): internal/attr/restrict.h
 enc/trans/big5.$(OBJEXT): internal/attr/returns_nonnull.h
@@ -5270,6 +5301,7 @@ enc/trans/cesu_8.$(OBJEXT): internal/attr/noexcept.h
 enc/trans/cesu_8.$(OBJEXT): internal/attr/noinline.h
 enc/trans/cesu_8.$(OBJEXT): internal/attr/nonnull.h
 enc/trans/cesu_8.$(OBJEXT): internal/attr/noreturn.h
+enc/trans/cesu_8.$(OBJEXT): internal/attr/packed_struct.h
 enc/trans/cesu_8.$(OBJEXT): internal/attr/pure.h
 enc/trans/cesu_8.$(OBJEXT): internal/attr/restrict.h
 enc/trans/cesu_8.$(OBJEXT): internal/attr/returns_nonnull.h
@@ -5429,6 +5461,7 @@ enc/trans/chinese.$(OBJEXT): internal/attr/noexcept.h
 enc/trans/chinese.$(OBJEXT): internal/attr/noinline.h
 enc/trans/chinese.$(OBJEXT): internal/attr/nonnull.h
 enc/trans/chinese.$(OBJEXT): internal/attr/noreturn.h
+enc/trans/chinese.$(OBJEXT): internal/attr/packed_struct.h
 enc/trans/chinese.$(OBJEXT): internal/attr/pure.h
 enc/trans/chinese.$(OBJEXT): internal/attr/restrict.h
 enc/trans/chinese.$(OBJEXT): internal/attr/returns_nonnull.h
@@ -5588,6 +5621,7 @@ enc/trans/ebcdic.$(OBJEXT): internal/attr/noexcept.h
 enc/trans/ebcdic.$(OBJEXT): internal/attr/noinline.h
 enc/trans/ebcdic.$(OBJEXT): internal/attr/nonnull.h
 enc/trans/ebcdic.$(OBJEXT): internal/attr/noreturn.h
+enc/trans/ebcdic.$(OBJEXT): internal/attr/packed_struct.h
 enc/trans/ebcdic.$(OBJEXT): internal/attr/pure.h
 enc/trans/ebcdic.$(OBJEXT): internal/attr/restrict.h
 enc/trans/ebcdic.$(OBJEXT): internal/attr/returns_nonnull.h
@@ -5747,6 +5781,7 @@ enc/trans/emoji.$(OBJEXT): internal/attr/noexcept.h
 enc/trans/emoji.$(OBJEXT): internal/attr/noinline.h
 enc/trans/emoji.$(OBJEXT): internal/attr/nonnull.h
 enc/trans/emoji.$(OBJEXT): internal/attr/noreturn.h
+enc/trans/emoji.$(OBJEXT): internal/attr/packed_struct.h
 enc/trans/emoji.$(OBJEXT): internal/attr/pure.h
 enc/trans/emoji.$(OBJEXT): internal/attr/restrict.h
 enc/trans/emoji.$(OBJEXT): internal/attr/returns_nonnull.h
@@ -5906,6 +5941,7 @@ enc/trans/emoji_iso2022_kddi.$(OBJEXT): internal/attr/noexcept.h
 enc/trans/emoji_iso2022_kddi.$(OBJEXT): internal/attr/noinline.h
 enc/trans/emoji_iso2022_kddi.$(OBJEXT): internal/attr/nonnull.h
 enc/trans/emoji_iso2022_kddi.$(OBJEXT): internal/attr/noreturn.h
+enc/trans/emoji_iso2022_kddi.$(OBJEXT): internal/attr/packed_struct.h
 enc/trans/emoji_iso2022_kddi.$(OBJEXT): internal/attr/pure.h
 enc/trans/emoji_iso2022_kddi.$(OBJEXT): internal/attr/restrict.h
 enc/trans/emoji_iso2022_kddi.$(OBJEXT): internal/attr/returns_nonnull.h
@@ -6065,6 +6101,7 @@ enc/trans/emoji_sjis_docomo.$(OBJEXT): internal/attr/noexcept.h
 enc/trans/emoji_sjis_docomo.$(OBJEXT): internal/attr/noinline.h
 enc/trans/emoji_sjis_docomo.$(OBJEXT): internal/attr/nonnull.h
 enc/trans/emoji_sjis_docomo.$(OBJEXT): internal/attr/noreturn.h
+enc/trans/emoji_sjis_docomo.$(OBJEXT): internal/attr/packed_struct.h
 enc/trans/emoji_sjis_docomo.$(OBJEXT): internal/attr/pure.h
 enc/trans/emoji_sjis_docomo.$(OBJEXT): internal/attr/restrict.h
 enc/trans/emoji_sjis_docomo.$(OBJEXT): internal/attr/returns_nonnull.h
@@ -6224,6 +6261,7 @@ enc/trans/emoji_sjis_kddi.$(OBJEXT): internal/attr/noexcept.h
 enc/trans/emoji_sjis_kddi.$(OBJEXT): internal/attr/noinline.h
 enc/trans/emoji_sjis_kddi.$(OBJEXT): internal/attr/nonnull.h
 enc/trans/emoji_sjis_kddi.$(OBJEXT): internal/attr/noreturn.h
+enc/trans/emoji_sjis_kddi.$(OBJEXT): internal/attr/packed_struct.h
 enc/trans/emoji_sjis_kddi.$(OBJEXT): internal/attr/pure.h
 enc/trans/emoji_sjis_kddi.$(OBJEXT): internal/attr/restrict.h
 enc/trans/emoji_sjis_kddi.$(OBJEXT): internal/attr/returns_nonnull.h
@@ -6383,6 +6421,7 @@ enc/trans/emoji_sjis_softbank.$(OBJEXT): internal/attr/noexcept.h
 enc/trans/emoji_sjis_softbank.$(OBJEXT): internal/attr/noinline.h
 enc/trans/emoji_sjis_softbank.$(OBJEXT): internal/attr/nonnull.h
 enc/trans/emoji_sjis_softbank.$(OBJEXT): internal/attr/noreturn.h
+enc/trans/emoji_sjis_softbank.$(OBJEXT): internal/attr/packed_struct.h
 enc/trans/emoji_sjis_softbank.$(OBJEXT): internal/attr/pure.h
 enc/trans/emoji_sjis_softbank.$(OBJEXT): internal/attr/restrict.h
 enc/trans/emoji_sjis_softbank.$(OBJEXT): internal/attr/returns_nonnull.h
@@ -6542,6 +6581,7 @@ enc/trans/escape.$(OBJEXT): internal/attr/noexcept.h
 enc/trans/escape.$(OBJEXT): internal/attr/noinline.h
 enc/trans/escape.$(OBJEXT): internal/attr/nonnull.h
 enc/trans/escape.$(OBJEXT): internal/attr/noreturn.h
+enc/trans/escape.$(OBJEXT): internal/attr/packed_struct.h
 enc/trans/escape.$(OBJEXT): internal/attr/pure.h
 enc/trans/escape.$(OBJEXT): internal/attr/restrict.h
 enc/trans/escape.$(OBJEXT): internal/attr/returns_nonnull.h
@@ -6701,6 +6741,7 @@ enc/trans/gb18030.$(OBJEXT): internal/attr/noexcept.h
 enc/trans/gb18030.$(OBJEXT): internal/attr/noinline.h
 enc/trans/gb18030.$(OBJEXT): internal/attr/nonnull.h
 enc/trans/gb18030.$(OBJEXT): internal/attr/noreturn.h
+enc/trans/gb18030.$(OBJEXT): internal/attr/packed_struct.h
 enc/trans/gb18030.$(OBJEXT): internal/attr/pure.h
 enc/trans/gb18030.$(OBJEXT): internal/attr/restrict.h
 enc/trans/gb18030.$(OBJEXT): internal/attr/returns_nonnull.h
@@ -6860,6 +6901,7 @@ enc/trans/gbk.$(OBJEXT): internal/attr/noexcept.h
 enc/trans/gbk.$(OBJEXT): internal/attr/noinline.h
 enc/trans/gbk.$(OBJEXT): internal/attr/nonnull.h
 enc/trans/gbk.$(OBJEXT): internal/attr/noreturn.h
+enc/trans/gbk.$(OBJEXT): internal/attr/packed_struct.h
 enc/trans/gbk.$(OBJEXT): internal/attr/pure.h
 enc/trans/gbk.$(OBJEXT): internal/attr/restrict.h
 enc/trans/gbk.$(OBJEXT): internal/attr/returns_nonnull.h
@@ -7019,6 +7061,7 @@ enc/trans/iso2022.$(OBJEXT): internal/attr/noexcept.h
 enc/trans/iso2022.$(OBJEXT): internal/attr/noinline.h
 enc/trans/iso2022.$(OBJEXT): internal/attr/nonnull.h
 enc/trans/iso2022.$(OBJEXT): internal/attr/noreturn.h
+enc/trans/iso2022.$(OBJEXT): internal/attr/packed_struct.h
 enc/trans/iso2022.$(OBJEXT): internal/attr/pure.h
 enc/trans/iso2022.$(OBJEXT): internal/attr/restrict.h
 enc/trans/iso2022.$(OBJEXT): internal/attr/returns_nonnull.h
@@ -7178,6 +7221,7 @@ enc/trans/japanese.$(OBJEXT): internal/attr/noexcept.h
 enc/trans/japanese.$(OBJEXT): internal/attr/noinline.h
 enc/trans/japanese.$(OBJEXT): internal/attr/nonnull.h
 enc/trans/japanese.$(OBJEXT): internal/attr/noreturn.h
+enc/trans/japanese.$(OBJEXT): internal/attr/packed_struct.h
 enc/trans/japanese.$(OBJEXT): internal/attr/pure.h
 enc/trans/japanese.$(OBJEXT): internal/attr/restrict.h
 enc/trans/japanese.$(OBJEXT): internal/attr/returns_nonnull.h
@@ -7337,6 +7381,7 @@ enc/trans/japanese_euc.$(OBJEXT): internal/attr/noexcept.h
 enc/trans/japanese_euc.$(OBJEXT): internal/attr/noinline.h
 enc/trans/japanese_euc.$(OBJEXT): internal/attr/nonnull.h
 enc/trans/japanese_euc.$(OBJEXT): internal/attr/noreturn.h
+enc/trans/japanese_euc.$(OBJEXT): internal/attr/packed_struct.h
 enc/trans/japanese_euc.$(OBJEXT): internal/attr/pure.h
 enc/trans/japanese_euc.$(OBJEXT): internal/attr/restrict.h
 enc/trans/japanese_euc.$(OBJEXT): internal/attr/returns_nonnull.h
@@ -7496,6 +7541,7 @@ enc/trans/japanese_sjis.$(OBJEXT): internal/attr/noexcept.h
 enc/trans/japanese_sjis.$(OBJEXT): internal/attr/noinline.h
 enc/trans/japanese_sjis.$(OBJEXT): internal/attr/nonnull.h
 enc/trans/japanese_sjis.$(OBJEXT): internal/attr/noreturn.h
+enc/trans/japanese_sjis.$(OBJEXT): internal/attr/packed_struct.h
 enc/trans/japanese_sjis.$(OBJEXT): internal/attr/pure.h
 enc/trans/japanese_sjis.$(OBJEXT): internal/attr/restrict.h
 enc/trans/japanese_sjis.$(OBJEXT): internal/attr/returns_nonnull.h
@@ -7655,6 +7701,7 @@ enc/trans/korean.$(OBJEXT): internal/attr/noexcept.h
 enc/trans/korean.$(OBJEXT): internal/attr/noinline.h
 enc/trans/korean.$(OBJEXT): internal/attr/nonnull.h
 enc/trans/korean.$(OBJEXT): internal/attr/noreturn.h
+enc/trans/korean.$(OBJEXT): internal/attr/packed_struct.h
 enc/trans/korean.$(OBJEXT): internal/attr/pure.h
 enc/trans/korean.$(OBJEXT): internal/attr/restrict.h
 enc/trans/korean.$(OBJEXT): internal/attr/returns_nonnull.h
@@ -7813,6 +7860,7 @@ enc/trans/newline.$(OBJEXT): internal/attr/noexcept.h
 enc/trans/newline.$(OBJEXT): internal/attr/noinline.h
 enc/trans/newline.$(OBJEXT): internal/attr/nonnull.h
 enc/trans/newline.$(OBJEXT): internal/attr/noreturn.h
+enc/trans/newline.$(OBJEXT): internal/attr/packed_struct.h
 enc/trans/newline.$(OBJEXT): internal/attr/pure.h
 enc/trans/newline.$(OBJEXT): internal/attr/restrict.h
 enc/trans/newline.$(OBJEXT): internal/attr/returns_nonnull.h
@@ -7972,6 +8020,7 @@ enc/trans/single_byte.$(OBJEXT): internal/attr/noexcept.h
 enc/trans/single_byte.$(OBJEXT): internal/attr/noinline.h
 enc/trans/single_byte.$(OBJEXT): internal/attr/nonnull.h
 enc/trans/single_byte.$(OBJEXT): internal/attr/noreturn.h
+enc/trans/single_byte.$(OBJEXT): internal/attr/packed_struct.h
 enc/trans/single_byte.$(OBJEXT): internal/attr/pure.h
 enc/trans/single_byte.$(OBJEXT): internal/attr/restrict.h
 enc/trans/single_byte.$(OBJEXT): internal/attr/returns_nonnull.h
@@ -8131,6 +8180,7 @@ enc/trans/transdb.$(OBJEXT): internal/attr/noexcept.h
 enc/trans/transdb.$(OBJEXT): internal/attr/noinline.h
 enc/trans/transdb.$(OBJEXT): internal/attr/nonnull.h
 enc/trans/transdb.$(OBJEXT): internal/attr/noreturn.h
+enc/trans/transdb.$(OBJEXT): internal/attr/packed_struct.h
 enc/trans/transdb.$(OBJEXT): internal/attr/pure.h
 enc/trans/transdb.$(OBJEXT): internal/attr/restrict.h
 enc/trans/transdb.$(OBJEXT): internal/attr/returns_nonnull.h
@@ -8291,6 +8341,7 @@ enc/trans/utf8_mac.$(OBJEXT): internal/attr/noexcept.h
 enc/trans/utf8_mac.$(OBJEXT): internal/attr/noinline.h
 enc/trans/utf8_mac.$(OBJEXT): internal/attr/nonnull.h
 enc/trans/utf8_mac.$(OBJEXT): internal/attr/noreturn.h
+enc/trans/utf8_mac.$(OBJEXT): internal/attr/packed_struct.h
 enc/trans/utf8_mac.$(OBJEXT): internal/attr/pure.h
 enc/trans/utf8_mac.$(OBJEXT): internal/attr/restrict.h
 enc/trans/utf8_mac.$(OBJEXT): internal/attr/returns_nonnull.h
@@ -8450,6 +8501,7 @@ enc/trans/utf_16_32.$(OBJEXT): internal/attr/noexcept.h
 enc/trans/utf_16_32.$(OBJEXT): internal/attr/noinline.h
 enc/trans/utf_16_32.$(OBJEXT): internal/attr/nonnull.h
 enc/trans/utf_16_32.$(OBJEXT): internal/attr/noreturn.h
+enc/trans/utf_16_32.$(OBJEXT): internal/attr/packed_struct.h
 enc/trans/utf_16_32.$(OBJEXT): internal/attr/pure.h
 enc/trans/utf_16_32.$(OBJEXT): internal/attr/restrict.h
 enc/trans/utf_16_32.$(OBJEXT): internal/attr/returns_nonnull.h
@@ -8612,6 +8664,7 @@ enc/unicode.$(OBJEXT): internal/attr/noexcept.h
 enc/unicode.$(OBJEXT): internal/attr/noinline.h
 enc/unicode.$(OBJEXT): internal/attr/nonnull.h
 enc/unicode.$(OBJEXT): internal/attr/noreturn.h
+enc/unicode.$(OBJEXT): internal/attr/packed_struct.h
 enc/unicode.$(OBJEXT): internal/attr/pure.h
 enc/unicode.$(OBJEXT): internal/attr/restrict.h
 enc/unicode.$(OBJEXT): internal/attr/returns_nonnull.h
@@ -8774,6 +8827,7 @@ enc/us_ascii.$(OBJEXT): internal/attr/noexcept.h
 enc/us_ascii.$(OBJEXT): internal/attr/noinline.h
 enc/us_ascii.$(OBJEXT): internal/attr/nonnull.h
 enc/us_ascii.$(OBJEXT): internal/attr/noreturn.h
+enc/us_ascii.$(OBJEXT): internal/attr/packed_struct.h
 enc/us_ascii.$(OBJEXT): internal/attr/pure.h
 enc/us_ascii.$(OBJEXT): internal/attr/restrict.h
 enc/us_ascii.$(OBJEXT): internal/attr/returns_nonnull.h
@@ -8946,6 +9000,7 @@ enc/utf_16be.$(OBJEXT): internal/attr/noexcept.h
 enc/utf_16be.$(OBJEXT): internal/attr/noinline.h
 enc/utf_16be.$(OBJEXT): internal/attr/nonnull.h
 enc/utf_16be.$(OBJEXT): internal/attr/noreturn.h
+enc/utf_16be.$(OBJEXT): internal/attr/packed_struct.h
 enc/utf_16be.$(OBJEXT): internal/attr/pure.h
 enc/utf_16be.$(OBJEXT): internal/attr/restrict.h
 enc/utf_16be.$(OBJEXT): internal/attr/returns_nonnull.h
@@ -9108,6 +9163,7 @@ enc/utf_16le.$(OBJEXT): internal/attr/noexcept.h
 enc/utf_16le.$(OBJEXT): internal/attr/noinline.h
 enc/utf_16le.$(OBJEXT): internal/attr/nonnull.h
 enc/utf_16le.$(OBJEXT): internal/attr/noreturn.h
+enc/utf_16le.$(OBJEXT): internal/attr/packed_struct.h
 enc/utf_16le.$(OBJEXT): internal/attr/pure.h
 enc/utf_16le.$(OBJEXT): internal/attr/restrict.h
 enc/utf_16le.$(OBJEXT): internal/attr/returns_nonnull.h
@@ -9270,6 +9326,7 @@ enc/utf_32be.$(OBJEXT): internal/attr/noexcept.h
 enc/utf_32be.$(OBJEXT): internal/attr/noinline.h
 enc/utf_32be.$(OBJEXT): internal/attr/nonnull.h
 enc/utf_32be.$(OBJEXT): internal/attr/noreturn.h
+enc/utf_32be.$(OBJEXT): internal/attr/packed_struct.h
 enc/utf_32be.$(OBJEXT): internal/attr/pure.h
 enc/utf_32be.$(OBJEXT): internal/attr/restrict.h
 enc/utf_32be.$(OBJEXT): internal/attr/returns_nonnull.h
@@ -9432,6 +9489,7 @@ enc/utf_32le.$(OBJEXT): internal/attr/noexcept.h
 enc/utf_32le.$(OBJEXT): internal/attr/noinline.h
 enc/utf_32le.$(OBJEXT): internal/attr/nonnull.h
 enc/utf_32le.$(OBJEXT): internal/attr/noreturn.h
+enc/utf_32le.$(OBJEXT): internal/attr/packed_struct.h
 enc/utf_32le.$(OBJEXT): internal/attr/pure.h
 enc/utf_32le.$(OBJEXT): internal/attr/restrict.h
 enc/utf_32le.$(OBJEXT): internal/attr/returns_nonnull.h
@@ -9594,6 +9652,7 @@ enc/utf_8.$(OBJEXT): internal/attr/noexcept.h
 enc/utf_8.$(OBJEXT): internal/attr/noinline.h
 enc/utf_8.$(OBJEXT): internal/attr/nonnull.h
 enc/utf_8.$(OBJEXT): internal/attr/noreturn.h
+enc/utf_8.$(OBJEXT): internal/attr/packed_struct.h
 enc/utf_8.$(OBJEXT): internal/attr/pure.h
 enc/utf_8.$(OBJEXT): internal/attr/restrict.h
 enc/utf_8.$(OBJEXT): internal/attr/returns_nonnull.h
@@ -9766,6 +9825,7 @@ enc/windows_1250.$(OBJEXT): internal/attr/noexcept.h
 enc/windows_1250.$(OBJEXT): internal/attr/noinline.h
 enc/windows_1250.$(OBJEXT): internal/attr/nonnull.h
 enc/windows_1250.$(OBJEXT): internal/attr/noreturn.h
+enc/windows_1250.$(OBJEXT): internal/attr/packed_struct.h
 enc/windows_1250.$(OBJEXT): internal/attr/pure.h
 enc/windows_1250.$(OBJEXT): internal/attr/restrict.h
 enc/windows_1250.$(OBJEXT): internal/attr/returns_nonnull.h
@@ -9927,6 +9987,7 @@ enc/windows_1251.$(OBJEXT): internal/attr/noexcept.h
 enc/windows_1251.$(OBJEXT): internal/attr/noinline.h
 enc/windows_1251.$(OBJEXT): internal/attr/nonnull.h
 enc/windows_1251.$(OBJEXT): internal/attr/noreturn.h
+enc/windows_1251.$(OBJEXT): internal/attr/packed_struct.h
 enc/windows_1251.$(OBJEXT): internal/attr/pure.h
 enc/windows_1251.$(OBJEXT): internal/attr/restrict.h
 enc/windows_1251.$(OBJEXT): internal/attr/returns_nonnull.h
@@ -10089,6 +10150,7 @@ enc/windows_1252.$(OBJEXT): internal/attr/noexcept.h
 enc/windows_1252.$(OBJEXT): internal/attr/noinline.h
 enc/windows_1252.$(OBJEXT): internal/attr/nonnull.h
 enc/windows_1252.$(OBJEXT): internal/attr/noreturn.h
+enc/windows_1252.$(OBJEXT): internal/attr/packed_struct.h
 enc/windows_1252.$(OBJEXT): internal/attr/pure.h
 enc/windows_1252.$(OBJEXT): internal/attr/restrict.h
 enc/windows_1252.$(OBJEXT): internal/attr/returns_nonnull.h
@@ -10250,6 +10312,7 @@ enc/windows_1253.$(OBJEXT): internal/attr/noexcept.h
 enc/windows_1253.$(OBJEXT): internal/attr/noinline.h
 enc/windows_1253.$(OBJEXT): internal/attr/nonnull.h
 enc/windows_1253.$(OBJEXT): internal/attr/noreturn.h
+enc/windows_1253.$(OBJEXT): internal/attr/packed_struct.h
 enc/windows_1253.$(OBJEXT): internal/attr/pure.h
 enc/windows_1253.$(OBJEXT): internal/attr/restrict.h
 enc/windows_1253.$(OBJEXT): internal/attr/returns_nonnull.h
@@ -10412,6 +10475,7 @@ enc/windows_1254.$(OBJEXT): internal/attr/noexcept.h
 enc/windows_1254.$(OBJEXT): internal/attr/noinline.h
 enc/windows_1254.$(OBJEXT): internal/attr/nonnull.h
 enc/windows_1254.$(OBJEXT): internal/attr/noreturn.h
+enc/windows_1254.$(OBJEXT): internal/attr/packed_struct.h
 enc/windows_1254.$(OBJEXT): internal/attr/pure.h
 enc/windows_1254.$(OBJEXT): internal/attr/restrict.h
 enc/windows_1254.$(OBJEXT): internal/attr/returns_nonnull.h
@@ -10574,6 +10638,7 @@ enc/windows_1257.$(OBJEXT): internal/attr/noexcept.h
 enc/windows_1257.$(OBJEXT): internal/attr/noinline.h
 enc/windows_1257.$(OBJEXT): internal/attr/nonnull.h
 enc/windows_1257.$(OBJEXT): internal/attr/noreturn.h
+enc/windows_1257.$(OBJEXT): internal/attr/packed_struct.h
 enc/windows_1257.$(OBJEXT): internal/attr/pure.h
 enc/windows_1257.$(OBJEXT): internal/attr/restrict.h
 enc/windows_1257.$(OBJEXT): internal/attr/returns_nonnull.h
@@ -10738,6 +10803,7 @@ enc/windows_31j.$(OBJEXT): internal/attr/noexcept.h
 enc/windows_31j.$(OBJEXT): internal/attr/noinline.h
 enc/windows_31j.$(OBJEXT): internal/attr/nonnull.h
 enc/windows_31j.$(OBJEXT): internal/attr/noreturn.h
+enc/windows_31j.$(OBJEXT): internal/attr/packed_struct.h
 enc/windows_31j.$(OBJEXT): internal/attr/pure.h
 enc/windows_31j.$(OBJEXT): internal/attr/restrict.h
 enc/windows_31j.$(OBJEXT): internal/attr/returns_nonnull.h

ext/-test-/RUBY_ALIGNOF/depend

@@ -52,6 +52,7 @@ c.o: $(hdrdir)/ruby/internal/attr/noexcept.h
 c.o: $(hdrdir)/ruby/internal/attr/noinline.h
 c.o: $(hdrdir)/ruby/internal/attr/nonnull.h
 c.o: $(hdrdir)/ruby/internal/attr/noreturn.h
+c.o: $(hdrdir)/ruby/internal/attr/packed_struct.h
 c.o: $(hdrdir)/ruby/internal/attr/pure.h
 c.o: $(hdrdir)/ruby/internal/attr/restrict.h
 c.o: $(hdrdir)/ruby/internal/attr/returns_nonnull.h

ext/-test-/arith_seq/beg_len_step/depend

@@ -51,6 +51,7 @@ beg_len_step.o: $(hdrdir)/ruby/internal/attr/noexcept.h
 beg_len_step.o: $(hdrdir)/ruby/internal/attr/noinline.h
 beg_len_step.o: $(hdrdir)/ruby/internal/attr/nonnull.h
 beg_len_step.o: $(hdrdir)/ruby/internal/attr/noreturn.h
+beg_len_step.o: $(hdrdir)/ruby/internal/attr/packed_struct.h
 beg_len_step.o: $(hdrdir)/ruby/internal/attr/pure.h
 beg_len_step.o: $(hdrdir)/ruby/internal/attr/restrict.h
 beg_len_step.o: $(hdrdir)/ruby/internal/attr/returns_nonnull.h

ext/-test-/arith_seq/extract/depend

@@ -51,6 +51,7 @@ extract.o: $(hdrdir)/ruby/internal/attr/noexcept.h
 extract.o: $(hdrdir)/ruby/internal/attr/noinline.h
 extract.o: $(hdrdir)/ruby/internal/attr/nonnull.h
 extract.o: $(hdrdir)/ruby/internal/attr/noreturn.h
+extract.o: $(hdrdir)/ruby/internal/attr/packed_struct.h
 extract.o: $(hdrdir)/ruby/internal/attr/pure.h
 extract.o: $(hdrdir)/ruby/internal/attr/restrict.h
 extract.o: $(hdrdir)/ruby/internal/attr/returns_nonnull.h

ext/-test-/array/concat/depend

@@ -52,6 +52,7 @@ to_ary_concat.o: $(hdrdir)/ruby/internal/attr/noexcept.h
 to_ary_concat.o: $(hdrdir)/ruby/internal/attr/noinline.h
 to_ary_concat.o: $(hdrdir)/ruby/internal/attr/nonnull.h
 to_ary_concat.o: $(hdrdir)/ruby/internal/attr/noreturn.h
+to_ary_concat.o: $(hdrdir)/ruby/internal/attr/packed_struct.h
 to_ary_concat.o: $(hdrdir)/ruby/internal/attr/pure.h
 to_ary_concat.o: $(hdrdir)/ruby/internal/attr/restrict.h
 to_ary_concat.o: $(hdrdir)/ruby/internal/attr/returns_nonnull.h

ext/-test-/array/resize/depend

@@ -51,6 +51,7 @@ resize.o: $(hdrdir)/ruby/internal/attr/noexcept.h
 resize.o: $(hdrdir)/ruby/internal/attr/noinline.h
 resize.o: $(hdrdir)/ruby/internal/attr/nonnull.h
 resize.o: $(hdrdir)/ruby/internal/attr/noreturn.h
+resize.o: $(hdrdir)/ruby/internal/attr/packed_struct.h
 resize.o: $(hdrdir)/ruby/internal/attr/pure.h
 resize.o: $(hdrdir)/ruby/internal/attr/restrict.h
 resize.o: $(hdrdir)/ruby/internal/attr/returns_nonnull.h

ext/-test-/bignum/depend

@@ -51,6 +51,7 @@ big2str.o: $(hdrdir)/ruby/internal/attr/noexcept.h
 big2str.o: $(hdrdir)/ruby/internal/attr/noinline.h
 big2str.o: $(hdrdir)/ruby/internal/attr/nonnull.h
 big2str.o: $(hdrdir)/ruby/internal/attr/noreturn.h
+big2str.o: $(hdrdir)/ruby/internal/attr/packed_struct.h
 big2str.o: $(hdrdir)/ruby/internal/attr/pure.h
 big2str.o: $(hdrdir)/ruby/internal/attr/restrict.h
 big2str.o: $(hdrdir)/ruby/internal/attr/returns_nonnull.h
@@ -211,6 +212,7 @@ bigzero.o: $(hdrdir)/ruby/internal/attr/noexcept.h
 bigzero.o: $(hdrdir)/ruby/internal/attr/noinline.h
 bigzero.o: $(hdrdir)/ruby/internal/attr/nonnull.h
 bigzero.o: $(hdrdir)/ruby/internal/attr/noreturn.h
+bigzero.o: $(hdrdir)/ruby/internal/attr/packed_struct.h
 bigzero.o: $(hdrdir)/ruby/internal/attr/pure.h
 bigzero.o: $(hdrdir)/ruby/internal/attr/restrict.h
 bigzero.o: $(hdrdir)/ruby/internal/attr/returns_nonnull.h
@@ -371,6 +373,7 @@ div.o: $(hdrdir)/ruby/internal/attr/noexcept.h
 div.o: $(hdrdir)/ruby/internal/attr/noinline.h
 div.o: $(hdrdir)/ruby/internal/attr/nonnull.h
 div.o: $(hdrdir)/ruby/internal/attr/noreturn.h
+div.o: $(hdrdir)/ruby/internal/attr/packed_struct.h
 div.o: $(hdrdir)/ruby/internal/attr/pure.h
 div.o: $(hdrdir)/ruby/internal/attr/restrict.h
 div.o: $(hdrdir)/ruby/internal/attr/returns_nonnull.h
@@ -532,6 +535,7 @@ init.o: $(hdrdir)/ruby/internal/attr/noexcept.h
 init.o: $(hdrdir)/ruby/internal/attr/noinline.h
 init.o: $(hdrdir)/ruby/internal/attr/nonnull.h
 init.o: $(hdrdir)/ruby/internal/attr/noreturn.h
+init.o: $(hdrdir)/ruby/internal/attr/packed_struct.h
 init.o: $(hdrdir)/ruby/internal/attr/pure.h
 init.o: $(hdrdir)/ruby/internal/attr/restrict.h
 init.o: $(hdrdir)/ruby/internal/attr/returns_nonnull.h
@@ -691,6 +695,7 @@ intpack.o: $(hdrdir)/ruby/internal/attr/noexcept.h
 intpack.o: $(hdrdir)/ruby/internal/attr/noinline.h
 intpack.o: $(hdrdir)/ruby/internal/attr/nonnull.h
 intpack.o: $(hdrdir)/ruby/internal/attr/noreturn.h
+intpack.o: $(hdrdir)/ruby/internal/attr/packed_struct.h
 intpack.o: $(hdrdir)/ruby/internal/attr/pure.h
 intpack.o: $(hdrdir)/ruby/internal/attr/restrict.h
 intpack.o: $(hdrdir)/ruby/internal/attr/returns_nonnull.h
@@ -851,6 +856,7 @@ mul.o: $(hdrdir)/ruby/internal/attr/noexcept.h
 mul.o: $(hdrdir)/ruby/internal/attr/noinline.h
 mul.o: $(hdrdir)/ruby/internal/attr/nonnull.h
 mul.o: $(hdrdir)/ruby/internal/attr/noreturn.h
+mul.o: $(hdrdir)/ruby/internal/attr/packed_struct.h
 mul.o: $(hdrdir)/ruby/internal/attr/pure.h
 mul.o: $(hdrdir)/ruby/internal/attr/restrict.h
 mul.o: $(hdrdir)/ruby/internal/attr/returns_nonnull.h
@@ -1011,6 +1017,7 @@ str2big.o: $(hdrdir)/ruby/internal/attr/noexcept.h
 str2big.o: $(hdrdir)/ruby/internal/attr/noinline.h
 str2big.o: $(hdrdir)/ruby/internal/attr/nonnull.h
 str2big.o: $(hdrdir)/ruby/internal/attr/noreturn.h
+str2big.o: $(hdrdir)/ruby/internal/attr/packed_struct.h
 str2big.o: $(hdrdir)/ruby/internal/attr/pure.h
 str2big.o: $(hdrdir)/ruby/internal/attr/restrict.h
 str2big.o: $(hdrdir)/ruby/internal/attr/returns_nonnull.h

ext/-test-/bug-14834/depend

@@ -52,6 +52,7 @@ bug-14384.o: $(hdrdir)/ruby/internal/attr/noexcept.h
 bug-14384.o: $(hdrdir)/ruby/internal/attr/noinline.h
 bug-14384.o: $(hdrdir)/ruby/internal/attr/nonnull.h
 bug-14384.o: $(hdrdir)/ruby/internal/attr/noreturn.h
+bug-14384.o: $(hdrdir)/ruby/internal/attr/packed_struct.h
 bug-14384.o: $(hdrdir)/ruby/internal/attr/pure.h
 bug-14384.o: $(hdrdir)/ruby/internal/attr/restrict.h
 bug-14384.o: $(hdrdir)/ruby/internal/attr/returns_nonnull.h

ext/-test-/bug-3571/depend

@@ -52,6 +52,7 @@ bug.o: $(hdrdir)/ruby/internal/attr/noexcept.h
 bug.o: $(hdrdir)/ruby/internal/attr/noinline.h
 bug.o: $(hdrdir)/ruby/internal/attr/nonnull.h
 bug.o: $(hdrdir)/ruby/internal/attr/noreturn.h
+bug.o: $(hdrdir)/ruby/internal/attr/packed_struct.h
 bug.o: $(hdrdir)/ruby/internal/attr/pure.h
 bug.o: $(hdrdir)/ruby/internal/attr/restrict.h
 bug.o: $(hdrdir)/ruby/internal/attr/returns_nonnull.h

ext/-test-/bug-5832/depend

@@ -52,6 +52,7 @@ bug.o: $(hdrdir)/ruby/internal/attr/noexcept.h
 bug.o: $(hdrdir)/ruby/internal/attr/noinline.h
 bug.o: $(hdrdir)/ruby/internal/attr/nonnull.h
 bug.o: $(hdrdir)/ruby/internal/attr/noreturn.h
+bug.o: $(hdrdir)/ruby/internal/attr/packed_struct.h
 bug.o: $(hdrdir)/ruby/internal/attr/pure.h
 bug.o: $(hdrdir)/ruby/internal/attr/restrict.h
 bug.o: $(hdrdir)/ruby/internal/attr/returns_nonnull.h

ext/-test-/bug_reporter/depend

@@ -52,6 +52,7 @@ bug_reporter.o: $(hdrdir)/ruby/internal/attr/noexcept.h
 bug_reporter.o: $(hdrdir)/ruby/internal/attr/noinline.h
 bug_reporter.o: $(hdrdir)/ruby/internal/attr/nonnull.h
 bug_reporter.o: $(hdrdir)/ruby/internal/attr/noreturn.h
+bug_reporter.o: $(hdrdir)/ruby/internal/attr/packed_struct.h
 bug_reporter.o: $(hdrdir)/ruby/internal/attr/pure.h
 bug_reporter.o: $(hdrdir)/ruby/internal/attr/restrict.h
 bug_reporter.o: $(hdrdir)/ruby/internal/attr/returns_nonnull.h

ext/-test-/class/depend

@@ -51,6 +51,7 @@ class2name.o: $(hdrdir)/ruby/internal/attr/noexcept.h
 class2name.o: $(hdrdir)/ruby/internal/attr/noinline.h
 class2name.o: $(hdrdir)/ruby/internal/attr/nonnull.h
 class2name.o: $(hdrdir)/ruby/internal/attr/noreturn.h
+class2name.o: $(hdrdir)/ruby/internal/attr/packed_struct.h
 class2name.o: $(hdrdir)/ruby/internal/attr/pure.h
 class2name.o: $(hdrdir)/ruby/internal/attr/restrict.h
 class2name.o: $(hdrdir)/ruby/internal/attr/returns_nonnull.h
@@ -211,6 +212,7 @@ init.o: $(hdrdir)/ruby/internal/attr/noexcept.h
 init.o: $(hdrdir)/ruby/internal/attr/noinline.h
 init.o: $(hdrdir)/ruby/internal/attr/nonnull.h
 init.o: $(hdrdir)/ruby/internal/attr/noreturn.h
+init.o: $(hdrdir)/ruby/internal/attr/packed_struct.h
 init.o: $(hdrdir)/ruby/internal/attr/pure.h
 init.o: $(hdrdir)/ruby/internal/attr/restrict.h
 init.o: $(hdrdir)/ruby/internal/attr/returns_nonnull.h

ext/-test-/debug/depend

@@ -52,6 +52,7 @@ init.o: $(hdrdir)/ruby/internal/attr/noexcept.h
 init.o: $(hdrdir)/ruby/internal/attr/noinline.h
 init.o: $(hdrdir)/ruby/internal/attr/nonnull.h
 init.o: $(hdrdir)/ruby/internal/attr/noreturn.h
+init.o: $(hdrdir)/ruby/internal/attr/packed_struct.h
 init.o: $(hdrdir)/ruby/internal/attr/pure.h
 init.o: $(hdrdir)/ruby/internal/attr/restrict.h
 init.o: $(hdrdir)/ruby/internal/attr/returns_nonnull.h
@@ -212,6 +213,7 @@ inspector.o: $(hdrdir)/ruby/internal/attr/noexcept.h
 inspector.o: $(hdrdir)/ruby/internal/attr/noinline.h
 inspector.o: $(hdrdir)/ruby/internal/attr/nonnull.h
 inspector.o: $(hdrdir)/ruby/internal/attr/noreturn.h
+inspector.o: $(hdrdir)/ruby/internal/attr/packed_struct.h
 inspector.o: $(hdrdir)/ruby/internal/attr/pure.h
 inspector.o: $(hdrdir)/ruby/internal/attr/restrict.h
 inspector.o: $(hdrdir)/ruby/internal/attr/returns_nonnull.h
@@ -372,6 +374,7 @@ profile_frames.o: $(hdrdir)/ruby/internal/attr/noexcept.h
 profile_frames.o: $(hdrdir)/ruby/internal/attr/noinline.h
 profile_frames.o: $(hdrdir)/ruby/internal/attr/nonnull.h
 profile_frames.o: $(hdrdir)/ruby/internal/attr/noreturn.h
+profile_frames.o: $(hdrdir)/ruby/internal/attr/packed_struct.h
 profile_frames.o: $(hdrdir)/ruby/internal/attr/pure.h
 profile_frames.o: $(hdrdir)/ruby/internal/attr/restrict.h
 profile_frames.o: $(hdrdir)/ruby/internal/attr/returns_nonnull.h

ext/-test-/dln/empty/depend

@@ -52,6 +52,7 @@ empty.o: $(hdrdir)/ruby/internal/attr/noexcept.h
 empty.o: $(hdrdir)/ruby/internal/attr/noinline.h
 empty.o: $(hdrdir)/ruby/internal/attr/nonnull.h
 empty.o: $(hdrdir)/ruby/internal/attr/noreturn.h
+empty.o: $(hdrdir)/ruby/internal/attr/packed_struct.h
 empty.o: $(hdrdir)/ruby/internal/attr/pure.h
 empty.o: $(hdrdir)/ruby/internal/attr/restrict.h
 empty.o: $(hdrdir)/ruby/internal/attr/returns_nonnull.h

ext/-test-/enumerator_kw/depend

@@ -52,6 +52,7 @@ enumerator_kw.o: $(hdrdir)/ruby/internal/attr/noexcept.h
 enumerator_kw.o: $(hdrdir)/ruby/internal/attr/noinline.h
 enumerator_kw.o: $(hdrdir)/ruby/internal/attr/nonnull.h
 enumerator_kw.o: $(hdrdir)/ruby/internal/attr/noreturn.h
+enumerator_kw.o: $(hdrdir)/ruby/internal/attr/packed_struct.h
 enumerator_kw.o: $(hdrdir)/ruby/internal/attr/pure.h
 enumerator_kw.o: $(hdrdir)/ruby/internal/attr/restrict.h
 enumerator_kw.o: $(hdrdir)/ruby/internal/attr/returns_nonnull.h

ext/-test-/exception/depend

@@ -51,6 +51,7 @@ dataerror.o: $(hdrdir)/ruby/internal/attr/noexcept.h
 dataerror.o: $(hdrdir)/ruby/internal/attr/noinline.h
 dataerror.o: $(hdrdir)/ruby/internal/attr/nonnull.h
 dataerror.o: $(hdrdir)/ruby/internal/attr/noreturn.h
+dataerror.o: $(hdrdir)/ruby/internal/attr/packed_struct.h
 dataerror.o: $(hdrdir)/ruby/internal/attr/pure.h
 dataerror.o: $(hdrdir)/ruby/internal/attr/restrict.h
 dataerror.o: $(hdrdir)/ruby/internal/attr/returns_nonnull.h
@@ -212,6 +213,7 @@ enc_raise.o: $(hdrdir)/ruby/internal/attr/noexcept.h
 enc_raise.o: $(hdrdir)/ruby/internal/attr/noinline.h
 enc_raise.o: $(hdrdir)/ruby/internal/attr/nonnull.h
 enc_raise.o: $(hdrdir)/ruby/internal/attr/noreturn.h
+enc_raise.o: $(hdrdir)/ruby/internal/attr/packed_struct.h
 enc_raise.o: $(hdrdir)/ruby/internal/attr/pure.h
 enc_raise.o: $(hdrdir)/ruby/internal/attr/restrict.h
 enc_raise.o: $(hdrdir)/ruby/internal/attr/returns_nonnull.h
@@ -383,6 +385,7 @@ ensured.o: $(hdrdir)/ruby/internal/attr/noexcept.h
 ensured.o: $(hdrdir)/ruby/internal/attr/noinline.h
 ensured.o: $(hdrdir)/ruby/internal/attr/nonnull.h
 ensured.o: $(hdrdir)/ruby/internal/attr/noreturn.h
+ensured.o: $(hdrdir)/ruby/internal/attr/packed_struct.h
 ensured.o: $(hdrdir)/ruby/internal/attr/pure.h
 ensured.o: $(hdrdir)/ruby/internal/attr/restrict.h
 ensured.o: $(hdrdir)/ruby/internal/attr/returns_nonnull.h
@@ -543,6 +546,7 @@ init.o: $(hdrdir)/ruby/internal/attr/noexcept.h
 init.o: $(hdrdir)/ruby/internal/attr/noinline.h
 init.o: $(hdrdir)/ruby/internal/attr/nonnull.h
 init.o: $(hdrdir)/ruby/internal/attr/noreturn.h
+init.o: $(hdrdir)/ruby/internal/attr/packed_struct.h
 init.o: $(hdrdir)/ruby/internal/attr/pure.h
 init.o: $(hdrdir)/ruby/internal/attr/restrict.h
 init.o: $(hdrdir)/ruby/internal/attr/returns_nonnull.h

ext/-test-/fatal/depend

@@ -52,6 +52,7 @@ rb_fatal.o: $(hdrdir)/ruby/internal/attr/noexcept.h
 rb_fatal.o: $(hdrdir)/ruby/internal/attr/noinline.h
 rb_fatal.o: $(hdrdir)/ruby/internal/attr/nonnull.h
 rb_fatal.o: $(hdrdir)/ruby/internal/attr/noreturn.h
+rb_fatal.o: $(hdrdir)/ruby/internal/attr/packed_struct.h
 rb_fatal.o: $(hdrdir)/ruby/internal/attr/pure.h
 rb_fatal.o: $(hdrdir)/ruby/internal/attr/restrict.h
 rb_fatal.o: $(hdrdir)/ruby/internal/attr/returns_nonnull.h

ext/-test-/file/depend

@@ -52,6 +52,7 @@ fs.o: $(hdrdir)/ruby/internal/attr/noexcept.h
 fs.o: $(hdrdir)/ruby/internal/attr/noinline.h
 fs.o: $(hdrdir)/ruby/internal/attr/nonnull.h
 fs.o: $(hdrdir)/ruby/internal/attr/noreturn.h
+fs.o: $(hdrdir)/ruby/internal/attr/packed_struct.h
 fs.o: $(hdrdir)/ruby/internal/attr/pure.h
 fs.o: $(hdrdir)/ruby/internal/attr/restrict.h
 fs.o: $(hdrdir)/ruby/internal/attr/returns_nonnull.h
@@ -224,6 +225,7 @@ init.o: $(hdrdir)/ruby/internal/attr/noexcept.h
 init.o: $(hdrdir)/ruby/internal/attr/noinline.h
 init.o: $(hdrdir)/ruby/internal/attr/nonnull.h
 init.o: $(hdrdir)/ruby/internal/attr/noreturn.h
+init.o: $(hdrdir)/ruby/internal/attr/packed_struct.h
 init.o: $(hdrdir)/ruby/internal/attr/pure.h
 init.o: $(hdrdir)/ruby/internal/attr/restrict.h
 init.o: $(hdrdir)/ruby/internal/attr/returns_nonnull.h
@@ -384,6 +386,7 @@ stat.o: $(hdrdir)/ruby/internal/attr/noexcept.h
 stat.o: $(hdrdir)/ruby/internal/attr/noinline.h
 stat.o: $(hdrdir)/ruby/internal/attr/nonnull.h
 stat.o: $(hdrdir)/ruby/internal/attr/noreturn.h
+stat.o: $(hdrdir)/ruby/internal/attr/packed_struct.h
 stat.o: $(hdrdir)/ruby/internal/attr/pure.h
 stat.o: $(hdrdir)/ruby/internal/attr/restrict.h
 stat.o: $(hdrdir)/ruby/internal/attr/returns_nonnull.h

ext/-test-/float/depend

@@ -55,6 +55,7 @@ init.o: $(hdrdir)/ruby/internal/attr/noexcept.h
 init.o: $(hdrdir)/ruby/internal/attr/noinline.h
 init.o: $(hdrdir)/ruby/internal/attr/nonnull.h
 init.o: $(hdrdir)/ruby/internal/attr/noreturn.h
+init.o: $(hdrdir)/ruby/internal/attr/packed_struct.h
 init.o: $(hdrdir)/ruby/internal/attr/pure.h
 init.o: $(hdrdir)/ruby/internal/attr/restrict.h
 init.o: $(hdrdir)/ruby/internal/attr/returns_nonnull.h
@@ -215,6 +216,7 @@ nextafter.o: $(hdrdir)/ruby/internal/attr/noexcept.h
 nextafter.o: $(hdrdir)/ruby/internal/attr/noinline.h
 nextafter.o: $(hdrdir)/ruby/internal/attr/nonnull.h
 nextafter.o: $(hdrdir)/ruby/internal/attr/noreturn.h
+nextafter.o: $(hdrdir)/ruby/internal/attr/packed_struct.h
 nextafter.o: $(hdrdir)/ruby/internal/attr/pure.h
 nextafter.o: $(hdrdir)/ruby/internal/attr/restrict.h
 nextafter.o: $(hdrdir)/ruby/internal/attr/returns_nonnull.h

ext/-test-/funcall/depend

@@ -52,6 +52,7 @@ funcall.o: $(hdrdir)/ruby/internal/attr/noexcept.h
 funcall.o: $(hdrdir)/ruby/internal/attr/noinline.h
 funcall.o: $(hdrdir)/ruby/internal/attr/nonnull.h
 funcall.o: $(hdrdir)/ruby/internal/attr/noreturn.h
+funcall.o: $(hdrdir)/ruby/internal/attr/packed_struct.h
 funcall.o: $(hdrdir)/ruby/internal/attr/pure.h
 funcall.o: $(hdrdir)/ruby/internal/attr/restrict.h
 funcall.o: $(hdrdir)/ruby/internal/attr/returns_nonnull.h

ext/-test-/gvl/call_without_gvl/depend

@@ -51,6 +51,7 @@ call_without_gvl.o: $(hdrdir)/ruby/internal/attr/noexcept.h
 call_without_gvl.o: $(hdrdir)/ruby/internal/attr/noinline.h
 call_without_gvl.o: $(hdrdir)/ruby/internal/attr/nonnull.h
 call_without_gvl.o: $(hdrdir)/ruby/internal/attr/noreturn.h
+call_without_gvl.o: $(hdrdir)/ruby/internal/attr/packed_struct.h
 call_without_gvl.o: $(hdrdir)/ruby/internal/attr/pure.h
 call_without_gvl.o: $(hdrdir)/ruby/internal/attr/restrict.h
 call_without_gvl.o: $(hdrdir)/ruby/internal/attr/returns_nonnull.h

ext/-test-/hash/depend

@@ -52,6 +52,7 @@ delete.o: $(hdrdir)/ruby/internal/attr/noexcept.h
 delete.o: $(hdrdir)/ruby/internal/attr/noinline.h
 delete.o: $(hdrdir)/ruby/internal/attr/nonnull.h
 delete.o: $(hdrdir)/ruby/internal/attr/noreturn.h
+delete.o: $(hdrdir)/ruby/internal/attr/packed_struct.h
 delete.o: $(hdrdir)/ruby/internal/attr/pure.h
 delete.o: $(hdrdir)/ruby/internal/attr/restrict.h
 delete.o: $(hdrdir)/ruby/internal/attr/returns_nonnull.h
@@ -212,6 +213,7 @@ init.o: $(hdrdir)/ruby/internal/attr/noexcept.h
 init.o: $(hdrdir)/ruby/internal/attr/noinline.h
 init.o: $(hdrdir)/ruby/internal/attr/nonnull.h
 init.o: $(hdrdir)/ruby/internal/attr/noreturn.h
+init.o: $(hdrdir)/ruby/internal/attr/packed_struct.h
 init.o: $(hdrdir)/ruby/internal/attr/pure.h
 init.o: $(hdrdir)/ruby/internal/attr/restrict.h
 init.o: $(hdrdir)/ruby/internal/attr/returns_nonnull.h

ext/-test-/integer/depend

@@ -52,6 +52,7 @@ core_ext.o: $(hdrdir)/ruby/internal/attr/noexcept.h
 core_ext.o: $(hdrdir)/ruby/internal/attr/noinline.h
 core_ext.o: $(hdrdir)/ruby/internal/attr/nonnull.h
 core_ext.o: $(hdrdir)/ruby/internal/attr/noreturn.h
+core_ext.o: $(hdrdir)/ruby/internal/attr/packed_struct.h
 core_ext.o: $(hdrdir)/ruby/internal/attr/pure.h
 core_ext.o: $(hdrdir)/ruby/internal/attr/restrict.h
 core_ext.o: $(hdrdir)/ruby/internal/attr/returns_nonnull.h
@@ -220,6 +221,7 @@ init.o: $(hdrdir)/ruby/internal/attr/noexcept.h
 init.o: $(hdrdir)/ruby/internal/attr/noinline.h
 init.o: $(hdrdir)/ruby/internal/attr/nonnull.h
 init.o: $(hdrdir)/ruby/internal/attr/noreturn.h
+init.o: $(hdrdir)/ruby/internal/attr/packed_struct.h
 init.o: $(hdrdir)/ruby/internal/attr/pure.h
 init.o: $(hdrdir)/ruby/internal/attr/restrict.h
 init.o: $(hdrdir)/ruby/internal/attr/returns_nonnull.h
@@ -380,6 +382,7 @@ my_integer.o: $(hdrdir)/ruby/internal/attr/noexcept.h
 my_integer.o: $(hdrdir)/ruby/internal/attr/noinline.h
 my_integer.o: $(hdrdir)/ruby/internal/attr/nonnull.h
 my_integer.o: $(hdrdir)/ruby/internal/attr/noreturn.h
+my_integer.o: $(hdrdir)/ruby/internal/attr/packed_struct.h
 my_integer.o: $(hdrdir)/ruby/internal/attr/pure.h
 my_integer.o: $(hdrdir)/ruby/internal/attr/restrict.h
 my_integer.o: $(hdrdir)/ruby/internal/attr/returns_nonnull.h

ext/-test-/iseq_load/depend

@@ -52,6 +52,7 @@ iseq_load.o: $(hdrdir)/ruby/internal/attr/noexcept.h
 iseq_load.o: $(hdrdir)/ruby/internal/attr/noinline.h
 iseq_load.o: $(hdrdir)/ruby/internal/attr/nonnull.h
 iseq_load.o: $(hdrdir)/ruby/internal/attr/noreturn.h
+iseq_load.o: $(hdrdir)/ruby/internal/attr/packed_struct.h
 iseq_load.o: $(hdrdir)/ruby/internal/attr/pure.h
 iseq_load.o: $(hdrdir)/ruby/internal/attr/restrict.h
 iseq_load.o: $(hdrdir)/ruby/internal/attr/returns_nonnull.h

ext/-test-/iter/depend

@@ -52,6 +52,7 @@ break.o: $(hdrdir)/ruby/internal/attr/noexcept.h
 break.o: $(hdrdir)/ruby/internal/attr/noinline.h
 break.o: $(hdrdir)/ruby/internal/attr/nonnull.h
 break.o: $(hdrdir)/ruby/internal/attr/noreturn.h
+break.o: $(hdrdir)/ruby/internal/attr/packed_struct.h
 break.o: $(hdrdir)/ruby/internal/attr/pure.h
 break.o: $(hdrdir)/ruby/internal/attr/restrict.h
 break.o: $(hdrdir)/ruby/internal/attr/returns_nonnull.h
@@ -212,6 +213,7 @@ init.o: $(hdrdir)/ruby/internal/attr/noexcept.h
 init.o: $(hdrdir)/ruby/internal/attr/noinline.h
 init.o: $(hdrdir)/ruby/internal/attr/nonnull.h
 init.o: $(hdrdir)/ruby/internal/attr/noreturn.h
+init.o: $(hdrdir)/ruby/internal/attr/packed_struct.h
 init.o: $(hdrdir)/ruby/internal/attr/pure.h
 init.o: $(hdrdir)/ruby/internal/attr/restrict.h
 init.o: $(hdrdir)/ruby/internal/attr/returns_nonnull.h
@@ -372,6 +374,7 @@ yield.o: $(hdrdir)/ruby/internal/attr/noexcept.h
 yield.o: $(hdrdir)/ruby/internal/attr/noinline.h
 yield.o: $(hdrdir)/ruby/internal/attr/nonnull.h
 yield.o: $(hdrdir)/ruby/internal/attr/noreturn.h
+yield.o: $(hdrdir)/ruby/internal/attr/packed_struct.h
 yield.o: $(hdrdir)/ruby/internal/attr/pure.h
 yield.o: $(hdrdir)/ruby/internal/attr/restrict.h
 yield.o: $(hdrdir)/ruby/internal/attr/returns_nonnull.h

ext/-test-/load/dot.dot/depend

@@ -52,6 +52,7 @@ dot.dot.o: $(hdrdir)/ruby/internal/attr/noexcept.h
 dot.dot.o: $(hdrdir)/ruby/internal/attr/noinline.h
 dot.dot.o: $(hdrdir)/ruby/internal/attr/nonnull.h
 dot.dot.o: $(hdrdir)/ruby/internal/attr/noreturn.h
+dot.dot.o: $(hdrdir)/ruby/internal/attr/packed_struct.h
 dot.dot.o: $(hdrdir)/ruby/internal/attr/pure.h
 dot.dot.o: $(hdrdir)/ruby/internal/attr/restrict.h
 dot.dot.o: $(hdrdir)/ruby/internal/attr/returns_nonnull.h

ext/-test-/load/protect/depend

@@ -52,6 +52,7 @@ protect.o: $(hdrdir)/ruby/internal/attr/noexcept.h
 protect.o: $(hdrdir)/ruby/internal/attr/noinline.h
 protect.o: $(hdrdir)/ruby/internal/attr/nonnull.h
 protect.o: $(hdrdir)/ruby/internal/attr/noreturn.h
+protect.o: $(hdrdir)/ruby/internal/attr/packed_struct.h
 protect.o: $(hdrdir)/ruby/internal/attr/pure.h
 protect.o: $(hdrdir)/ruby/internal/attr/restrict.h
 protect.o: $(hdrdir)/ruby/internal/attr/returns_nonnull.h

ext/-test-/marshal/compat/depend

@@ -52,6 +52,7 @@ usrcompat.o: $(hdrdir)/ruby/internal/attr/noexcept.h
 usrcompat.o: $(hdrdir)/ruby/internal/attr/noinline.h
 usrcompat.o: $(hdrdir)/ruby/internal/attr/nonnull.h
 usrcompat.o: $(hdrdir)/ruby/internal/attr/noreturn.h
+usrcompat.o: $(hdrdir)/ruby/internal/attr/packed_struct.h
 usrcompat.o: $(hdrdir)/ruby/internal/attr/pure.h
 usrcompat.o: $(hdrdir)/ruby/internal/attr/restrict.h
 usrcompat.o: $(hdrdir)/ruby/internal/attr/returns_nonnull.h

ext/-test-/marshal/internal_ivar/depend

@@ -52,6 +52,7 @@ internal_ivar.o: $(hdrdir)/ruby/internal/attr/noexcept.h
 internal_ivar.o: $(hdrdir)/ruby/internal/attr/noinline.h
 internal_ivar.o: $(hdrdir)/ruby/internal/attr/nonnull.h
 internal_ivar.o: $(hdrdir)/ruby/internal/attr/noreturn.h
+internal_ivar.o: $(hdrdir)/ruby/internal/attr/packed_struct.h
 internal_ivar.o: $(hdrdir)/ruby/internal/attr/pure.h
 internal_ivar.o: $(hdrdir)/ruby/internal/attr/restrict.h
 internal_ivar.o: $(hdrdir)/ruby/internal/attr/returns_nonnull.h

ext/-test-/marshal/usr/depend

@@ -52,6 +52,7 @@ usrmarshal.o: $(hdrdir)/ruby/internal/attr/noexcept.h
 usrmarshal.o: $(hdrdir)/ruby/internal/attr/noinline.h
 usrmarshal.o: $(hdrdir)/ruby/internal/attr/nonnull.h
 usrmarshal.o: $(hdrdir)/ruby/internal/attr/noreturn.h
+usrmarshal.o: $(hdrdir)/ruby/internal/attr/packed_struct.h
 usrmarshal.o: $(hdrdir)/ruby/internal/attr/pure.h
 usrmarshal.o: $(hdrdir)/ruby/internal/attr/restrict.h
 usrmarshal.o: $(hdrdir)/ruby/internal/attr/returns_nonnull.h

ext/-test-/memory_status/depend

@@ -52,6 +52,7 @@ memory_status.o: $(hdrdir)/ruby/internal/attr/noexcept.h
 memory_status.o: $(hdrdir)/ruby/internal/attr/noinline.h
 memory_status.o: $(hdrdir)/ruby/internal/attr/nonnull.h
 memory_status.o: $(hdrdir)/ruby/internal/attr/noreturn.h
+memory_status.o: $(hdrdir)/ruby/internal/attr/packed_struct.h
 memory_status.o: $(hdrdir)/ruby/internal/attr/pure.h
 memory_status.o: $(hdrdir)/ruby/internal/attr/restrict.h
 memory_status.o: $(hdrdir)/ruby/internal/attr/returns_nonnull.h

ext/-test-/memory_view/depend

@@ -52,6 +52,7 @@ memory_view.o: $(hdrdir)/ruby/internal/attr/noexcept.h
 memory_view.o: $(hdrdir)/ruby/internal/attr/noinline.h
 memory_view.o: $(hdrdir)/ruby/internal/attr/nonnull.h
 memory_view.o: $(hdrdir)/ruby/internal/attr/noreturn.h
+memory_view.o: $(hdrdir)/ruby/internal/attr/packed_struct.h
 memory_view.o: $(hdrdir)/ruby/internal/attr/pure.h
 memory_view.o: $(hdrdir)/ruby/internal/attr/restrict.h
 memory_view.o: $(hdrdir)/ruby/internal/attr/returns_nonnull.h

ext/-test-/method/depend

@@ -52,6 +52,7 @@ arity.o: $(hdrdir)/ruby/internal/attr/noexcept.h
 arity.o: $(hdrdir)/ruby/internal/attr/noinline.h
 arity.o: $(hdrdir)/ruby/internal/attr/nonnull.h
 arity.o: $(hdrdir)/ruby/internal/attr/noreturn.h
+arity.o: $(hdrdir)/ruby/internal/attr/packed_struct.h
 arity.o: $(hdrdir)/ruby/internal/attr/pure.h
 arity.o: $(hdrdir)/ruby/internal/attr/restrict.h
 arity.o: $(hdrdir)/ruby/internal/attr/returns_nonnull.h
@@ -212,6 +213,7 @@ init.o: $(hdrdir)/ruby/internal/attr/noexcept.h
 init.o: $(hdrdir)/ruby/internal/attr/noinline.h
 init.o: $(hdrdir)/ruby/internal/attr/nonnull.h
 init.o: $(hdrdir)/ruby/internal/attr/noreturn.h
+init.o: $(hdrdir)/ruby/internal/attr/packed_struct.h
 init.o: $(hdrdir)/ruby/internal/attr/pure.h
 init.o: $(hdrdir)/ruby/internal/attr/restrict.h
 init.o: $(hdrdir)/ruby/internal/attr/returns_nonnull.h

ext/-test-/notimplement/depend

@@ -52,6 +52,7 @@ bug.o: $(hdrdir)/ruby/internal/attr/noexcept.h
 bug.o: $(hdrdir)/ruby/internal/attr/noinline.h
 bug.o: $(hdrdir)/ruby/internal/attr/nonnull.h
 bug.o: $(hdrdir)/ruby/internal/attr/noreturn.h
+bug.o: $(hdrdir)/ruby/internal/attr/packed_struct.h
 bug.o: $(hdrdir)/ruby/internal/attr/pure.h
 bug.o: $(hdrdir)/ruby/internal/attr/restrict.h
 bug.o: $(hdrdir)/ruby/internal/attr/returns_nonnull.h

ext/-test-/num2int/depend

@@ -52,6 +52,7 @@ num2int.o: $(hdrdir)/ruby/internal/attr/noexcept.h
 num2int.o: $(hdrdir)/ruby/internal/attr/noinline.h
 num2int.o: $(hdrdir)/ruby/internal/attr/nonnull.h
 num2int.o: $(hdrdir)/ruby/internal/attr/noreturn.h
+num2int.o: $(hdrdir)/ruby/internal/attr/packed_struct.h
 num2int.o: $(hdrdir)/ruby/internal/attr/pure.h
 num2int.o: $(hdrdir)/ruby/internal/attr/restrict.h
 num2int.o: $(hdrdir)/ruby/internal/attr/returns_nonnull.h

ext/-test-/path_to_class/depend

@@ -52,6 +52,7 @@ path_to_class.o: $(hdrdir)/ruby/internal/attr/noexcept.h
 path_to_class.o: $(hdrdir)/ruby/internal/attr/noinline.h
 path_to_class.o: $(hdrdir)/ruby/internal/attr/nonnull.h
 path_to_class.o: $(hdrdir)/ruby/internal/attr/noreturn.h
+path_to_class.o: $(hdrdir)/ruby/internal/attr/packed_struct.h
 path_to_class.o: $(hdrdir)/ruby/internal/attr/pure.h
 path_to_class.o: $(hdrdir)/ruby/internal/attr/restrict.h
 path_to_class.o: $(hdrdir)/ruby/internal/attr/returns_nonnull.h

ext/-test-/popen_deadlock/depend

@@ -52,6 +52,7 @@ infinite_loop_dlsym.o: $(hdrdir)/ruby/internal/attr/noexcept.h
 infinite_loop_dlsym.o: $(hdrdir)/ruby/internal/attr/noinline.h
 infinite_loop_dlsym.o: $(hdrdir)/ruby/internal/attr/nonnull.h
 infinite_loop_dlsym.o: $(hdrdir)/ruby/internal/attr/noreturn.h
+infinite_loop_dlsym.o: $(hdrdir)/ruby/internal/attr/packed_struct.h
 infinite_loop_dlsym.o: $(hdrdir)/ruby/internal/attr/pure.h
 infinite_loop_dlsym.o: $(hdrdir)/ruby/internal/attr/restrict.h
 infinite_loop_dlsym.o: $(hdrdir)/ruby/internal/attr/returns_nonnull.h

ext/-test-/postponed_job/depend

@@ -53,6 +53,7 @@ postponed_job.o: $(hdrdir)/ruby/internal/attr/noexcept.h
 postponed_job.o: $(hdrdir)/ruby/internal/attr/noinline.h
 postponed_job.o: $(hdrdir)/ruby/internal/attr/nonnull.h
 postponed_job.o: $(hdrdir)/ruby/internal/attr/noreturn.h
+postponed_job.o: $(hdrdir)/ruby/internal/attr/packed_struct.h
 postponed_job.o: $(hdrdir)/ruby/internal/attr/pure.h
 postponed_job.o: $(hdrdir)/ruby/internal/attr/restrict.h
 postponed_job.o: $(hdrdir)/ruby/internal/attr/returns_nonnull.h

ext/-test-/printf/depend

@@ -53,6 +53,7 @@ printf.o: $(hdrdir)/ruby/internal/attr/noexcept.h
 printf.o: $(hdrdir)/ruby/internal/attr/noinline.h
 printf.o: $(hdrdir)/ruby/internal/attr/nonnull.h
 printf.o: $(hdrdir)/ruby/internal/attr/noreturn.h
+printf.o: $(hdrdir)/ruby/internal/attr/packed_struct.h
 printf.o: $(hdrdir)/ruby/internal/attr/pure.h
 printf.o: $(hdrdir)/ruby/internal/attr/restrict.h
 printf.o: $(hdrdir)/ruby/internal/attr/returns_nonnull.h

ext/-test-/proc/depend

@@ -52,6 +52,7 @@ init.o: $(hdrdir)/ruby/internal/attr/noexcept.h
 init.o: $(hdrdir)/ruby/internal/attr/noinline.h
 init.o: $(hdrdir)/ruby/internal/attr/nonnull.h
 init.o: $(hdrdir)/ruby/internal/attr/noreturn.h
+init.o: $(hdrdir)/ruby/internal/attr/packed_struct.h
 init.o: $(hdrdir)/ruby/internal/attr/pure.h
 init.o: $(hdrdir)/ruby/internal/attr/restrict.h
 init.o: $(hdrdir)/ruby/internal/attr/returns_nonnull.h
@@ -212,6 +213,7 @@ receiver.o: $(hdrdir)/ruby/internal/attr/noexcept.h
 receiver.o: $(hdrdir)/ruby/internal/attr/noinline.h
 receiver.o: $(hdrdir)/ruby/internal/attr/nonnull.h
 receiver.o: $(hdrdir)/ruby/internal/attr/noreturn.h
+receiver.o: $(hdrdir)/ruby/internal/attr/packed_struct.h
 receiver.o: $(hdrdir)/ruby/internal/attr/pure.h
 receiver.o: $(hdrdir)/ruby/internal/attr/restrict.h
 receiver.o: $(hdrdir)/ruby/internal/attr/returns_nonnull.h
@@ -372,6 +374,7 @@ super.o: $(hdrdir)/ruby/internal/attr/noexcept.h
 super.o: $(hdrdir)/ruby/internal/attr/noinline.h
 super.o: $(hdrdir)/ruby/internal/attr/nonnull.h
 super.o: $(hdrdir)/ruby/internal/attr/noreturn.h
+super.o: $(hdrdir)/ruby/internal/attr/packed_struct.h
 super.o: $(hdrdir)/ruby/internal/attr/pure.h
 super.o: $(hdrdir)/ruby/internal/attr/restrict.h
 super.o: $(hdrdir)/ruby/internal/attr/returns_nonnull.h

ext/-test-/random/depend

@@ -51,6 +51,7 @@ bad_version.o: $(hdrdir)/ruby/internal/attr/noexcept.h
 bad_version.o: $(hdrdir)/ruby/internal/attr/noinline.h
 bad_version.o: $(hdrdir)/ruby/internal/attr/nonnull.h
 bad_version.o: $(hdrdir)/ruby/internal/attr/noreturn.h
+bad_version.o: $(hdrdir)/ruby/internal/attr/packed_struct.h
 bad_version.o: $(hdrdir)/ruby/internal/attr/pure.h
 bad_version.o: $(hdrdir)/ruby/internal/attr/restrict.h
 bad_version.o: $(hdrdir)/ruby/internal/attr/returns_nonnull.h
@@ -212,6 +213,7 @@ init.o: $(hdrdir)/ruby/internal/attr/noexcept.h
 init.o: $(hdrdir)/ruby/internal/attr/noinline.h
 init.o: $(hdrdir)/ruby/internal/attr/nonnull.h
 init.o: $(hdrdir)/ruby/internal/attr/noreturn.h
+init.o: $(hdrdir)/ruby/internal/attr/packed_struct.h
 init.o: $(hdrdir)/ruby/internal/attr/pure.h
 init.o: $(hdrdir)/ruby/internal/attr/restrict.h
 init.o: $(hdrdir)/ruby/internal/attr/returns_nonnull.h
@@ -371,6 +373,7 @@ loop.o: $(hdrdir)/ruby/internal/attr/noexcept.h
 loop.o: $(hdrdir)/ruby/internal/attr/noinline.h
 loop.o: $(hdrdir)/ruby/internal/attr/nonnull.h
 loop.o: $(hdrdir)/ruby/internal/attr/noreturn.h
+loop.o: $(hdrdir)/ruby/internal/attr/packed_struct.h
 loop.o: $(hdrdir)/ruby/internal/attr/pure.h
 loop.o: $(hdrdir)/ruby/internal/attr/restrict.h
 loop.o: $(hdrdir)/ruby/internal/attr/returns_nonnull.h

ext/-test-/rational/depend

@@ -56,6 +56,7 @@ rat.o: $(hdrdir)/ruby/internal/attr/noexcept.h
 rat.o: $(hdrdir)/ruby/internal/attr/noinline.h
 rat.o: $(hdrdir)/ruby/internal/attr/nonnull.h
 rat.o: $(hdrdir)/ruby/internal/attr/noreturn.h
+rat.o: $(hdrdir)/ruby/internal/attr/packed_struct.h
 rat.o: $(hdrdir)/ruby/internal/attr/pure.h
 rat.o: $(hdrdir)/ruby/internal/attr/restrict.h
 rat.o: $(hdrdir)/ruby/internal/attr/returns_nonnull.h

ext/-test-/rb_call_super_kw/depend

@@ -52,6 +52,7 @@ rb_call_super_kw.o: $(hdrdir)/ruby/internal/attr/noexcept.h
 rb_call_super_kw.o: $(hdrdir)/ruby/internal/attr/noinline.h
 rb_call_super_kw.o: $(hdrdir)/ruby/internal/attr/nonnull.h
 rb_call_super_kw.o: $(hdrdir)/ruby/internal/attr/noreturn.h
+rb_call_super_kw.o: $(hdrdir)/ruby/internal/attr/packed_struct.h
 rb_call_super_kw.o: $(hdrdir)/ruby/internal/attr/pure.h
 rb_call_super_kw.o: $(hdrdir)/ruby/internal/attr/restrict.h
 rb_call_super_kw.o: $(hdrdir)/ruby/internal/attr/returns_nonnull.h

ext/-test-/recursion/depend

@@ -52,6 +52,7 @@ recursion.o: $(hdrdir)/ruby/internal/attr/noexcept.h
 recursion.o: $(hdrdir)/ruby/internal/attr/noinline.h
 recursion.o: $(hdrdir)/ruby/internal/attr/nonnull.h
 recursion.o: $(hdrdir)/ruby/internal/attr/noreturn.h
+recursion.o: $(hdrdir)/ruby/internal/attr/packed_struct.h
 recursion.o: $(hdrdir)/ruby/internal/attr/pure.h
 recursion.o: $(hdrdir)/ruby/internal/attr/restrict.h
 recursion.o: $(hdrdir)/ruby/internal/attr/returns_nonnull.h

ext/-test-/regexp/depend

@@ -52,6 +52,7 @@ init.o: $(hdrdir)/ruby/internal/attr/noexcept.h
 init.o: $(hdrdir)/ruby/internal/attr/noinline.h
 init.o: $(hdrdir)/ruby/internal/attr/nonnull.h
 init.o: $(hdrdir)/ruby/internal/attr/noreturn.h
+init.o: $(hdrdir)/ruby/internal/attr/packed_struct.h
 init.o: $(hdrdir)/ruby/internal/attr/pure.h
 init.o: $(hdrdir)/ruby/internal/attr/restrict.h
 init.o: $(hdrdir)/ruby/internal/attr/returns_nonnull.h
@@ -212,6 +213,7 @@ parse_depth_limit.o: $(hdrdir)/ruby/internal/attr/noexcept.h
 parse_depth_limit.o: $(hdrdir)/ruby/internal/attr/noinline.h
 parse_depth_limit.o: $(hdrdir)/ruby/internal/attr/nonnull.h
 parse_depth_limit.o: $(hdrdir)/ruby/internal/attr/noreturn.h
+parse_depth_limit.o: $(hdrdir)/ruby/internal/attr/packed_struct.h
 parse_depth_limit.o: $(hdrdir)/ruby/internal/attr/pure.h
 parse_depth_limit.o: $(hdrdir)/ruby/internal/attr/restrict.h
 parse_depth_limit.o: $(hdrdir)/ruby/internal/attr/returns_nonnull.h

ext/-test-/scan_args/depend

@@ -52,6 +52,7 @@ scan_args.o: $(hdrdir)/ruby/internal/attr/noexcept.h
 scan_args.o: $(hdrdir)/ruby/internal/attr/noinline.h
 scan_args.o: $(hdrdir)/ruby/internal/attr/nonnull.h
 scan_args.o: $(hdrdir)/ruby/internal/attr/noreturn.h
+scan_args.o: $(hdrdir)/ruby/internal/attr/packed_struct.h
 scan_args.o: $(hdrdir)/ruby/internal/attr/pure.h
 scan_args.o: $(hdrdir)/ruby/internal/attr/restrict.h
 scan_args.o: $(hdrdir)/ruby/internal/attr/returns_nonnull.h

ext/-test-/st/foreach/depend

@@ -52,6 +52,7 @@ foreach.o: $(hdrdir)/ruby/internal/attr/noexcept.h
 foreach.o: $(hdrdir)/ruby/internal/attr/noinline.h
 foreach.o: $(hdrdir)/ruby/internal/attr/nonnull.h
 foreach.o: $(hdrdir)/ruby/internal/attr/noreturn.h
+foreach.o: $(hdrdir)/ruby/internal/attr/packed_struct.h
 foreach.o: $(hdrdir)/ruby/internal/attr/pure.h
 foreach.o: $(hdrdir)/ruby/internal/attr/restrict.h
 foreach.o: $(hdrdir)/ruby/internal/attr/returns_nonnull.h

ext/-test-/st/numhash/depend

@@ -52,6 +52,7 @@ numhash.o: $(hdrdir)/ruby/internal/attr/noexcept.h
 numhash.o: $(hdrdir)/ruby/internal/attr/noinline.h
 numhash.o: $(hdrdir)/ruby/internal/attr/nonnull.h
 numhash.o: $(hdrdir)/ruby/internal/attr/noreturn.h
+numhash.o: $(hdrdir)/ruby/internal/attr/packed_struct.h
 numhash.o: $(hdrdir)/ruby/internal/attr/pure.h
 numhash.o: $(hdrdir)/ruby/internal/attr/restrict.h
 numhash.o: $(hdrdir)/ruby/internal/attr/returns_nonnull.h

ext/-test-/st/update/depend

@@ -52,6 +52,7 @@ update.o: $(hdrdir)/ruby/internal/attr/noexcept.h
 update.o: $(hdrdir)/ruby/internal/attr/noinline.h
 update.o: $(hdrdir)/ruby/internal/attr/nonnull.h
 update.o: $(hdrdir)/ruby/internal/attr/noreturn.h
+update.o: $(hdrdir)/ruby/internal/attr/packed_struct.h
 update.o: $(hdrdir)/ruby/internal/attr/pure.h
 update.o: $(hdrdir)/ruby/internal/attr/restrict.h
 update.o: $(hdrdir)/ruby/internal/attr/returns_nonnull.h

ext/-test-/string/depend

@@ -54,6 +54,7 @@ capacity.o: $(hdrdir)/ruby/internal/attr/noexcept.h
 capacity.o: $(hdrdir)/ruby/internal/attr/noinline.h
 capacity.o: $(hdrdir)/ruby/internal/attr/nonnull.h
 capacity.o: $(hdrdir)/ruby/internal/attr/noreturn.h
+capacity.o: $(hdrdir)/ruby/internal/attr/packed_struct.h
 capacity.o: $(hdrdir)/ruby/internal/attr/pure.h
 capacity.o: $(hdrdir)/ruby/internal/attr/restrict.h
 capacity.o: $(hdrdir)/ruby/internal/attr/returns_nonnull.h
@@ -227,6 +228,7 @@ coderange.o: $(hdrdir)/ruby/internal/attr/noexcept.h
 coderange.o: $(hdrdir)/ruby/internal/attr/noinline.h
 coderange.o: $(hdrdir)/ruby/internal/attr/nonnull.h
 coderange.o: $(hdrdir)/ruby/internal/attr/noreturn.h
+coderange.o: $(hdrdir)/ruby/internal/attr/packed_struct.h
 coderange.o: $(hdrdir)/ruby/internal/attr/pure.h
 coderange.o: $(hdrdir)/ruby/internal/attr/restrict.h
 coderange.o: $(hdrdir)/ruby/internal/attr/returns_nonnull.h
@@ -399,6 +401,7 @@ cstr.o: $(hdrdir)/ruby/internal/attr/noexcept.h
 cstr.o: $(hdrdir)/ruby/internal/attr/noinline.h
 cstr.o: $(hdrdir)/ruby/internal/attr/nonnull.h
 cstr.o: $(hdrdir)/ruby/internal/attr/noreturn.h
+cstr.o: $(hdrdir)/ruby/internal/attr/packed_struct.h
 cstr.o: $(hdrdir)/ruby/internal/attr/pure.h
 cstr.o: $(hdrdir)/ruby/internal/attr/restrict.h
 cstr.o: $(hdrdir)/ruby/internal/attr/returns_nonnull.h
@@ -573,6 +576,7 @@ ellipsize.o: $(hdrdir)/ruby/internal/attr/noexcept.h
 ellipsize.o: $(hdrdir)/ruby/internal/attr/noinline.h
 ellipsize.o: $(hdrdir)/ruby/internal/attr/nonnull.h
 ellipsize.o: $(hdrdir)/ruby/internal/attr/noreturn.h
+ellipsize.o: $(hdrdir)/ruby/internal/attr/packed_struct.h
 ellipsize.o: $(hdrdir)/ruby/internal/attr/pure.h
 ellipsize.o: $(hdrdir)/ruby/internal/attr/restrict.h
 ellipsize.o: $(hdrdir)/ruby/internal/attr/returns_nonnull.h
@@ -734,6 +738,7 @@ enc_associate.o: $(hdrdir)/ruby/internal/attr/noexcept.h
 enc_associate.o: $(hdrdir)/ruby/internal/attr/noinline.h
 enc_associate.o: $(hdrdir)/ruby/internal/attr/nonnull.h
 enc_associate.o: $(hdrdir)/ruby/internal/attr/noreturn.h
+enc_associate.o: $(hdrdir)/ruby/internal/attr/packed_struct.h
 enc_associate.o: $(hdrdir)/ruby/internal/attr/pure.h
 enc_associate.o: $(hdrdir)/ruby/internal/attr/restrict.h
 enc_associate.o: $(hdrdir)/ruby/internal/attr/returns_nonnull.h
@@ -906,6 +911,7 @@ enc_dummy.o: $(hdrdir)/ruby/internal/attr/noexcept.h
 enc_dummy.o: $(hdrdir)/ruby/internal/attr/noinline.h
 enc_dummy.o: $(hdrdir)/ruby/internal/attr/nonnull.h
 enc_dummy.o: $(hdrdir)/ruby/internal/attr/noreturn.h
+enc_dummy.o: $(hdrdir)/ruby/internal/attr/packed_struct.h
 enc_dummy.o: $(hdrdir)/ruby/internal/attr/pure.h
 enc_dummy.o: $(hdrdir)/ruby/internal/attr/restrict.h
 enc_dummy.o: $(hdrdir)/ruby/internal/attr/returns_nonnull.h
@@ -1077,6 +1083,7 @@ enc_str_buf_cat.o: $(hdrdir)/ruby/internal/attr/noexcept.h
 enc_str_buf_cat.o: $(hdrdir)/ruby/internal/attr/noinline.h
 enc_str_buf_cat.o: $(hdrdir)/ruby/internal/attr/nonnull.h
 enc_str_buf_cat.o: $(hdrdir)/ruby/internal/attr/noreturn.h
+enc_str_buf_cat.o: $(hdrdir)/ruby/internal/attr/packed_struct.h
 enc_str_buf_cat.o: $(hdrdir)/ruby/internal/attr/pure.h
 enc_str_buf_cat.o: $(hdrdir)/ruby/internal/attr/restrict.h
 enc_str_buf_cat.o: $(hdrdir)/ruby/internal/attr/returns_nonnull.h
@@ -1249,6 +1256,7 @@ fstring.o: $(hdrdir)/ruby/internal/attr/noexcept.h
 fstring.o: $(hdrdir)/ruby/internal/attr/noinline.h
 fstring.o: $(hdrdir)/ruby/internal/attr/nonnull.h
 fstring.o: $(hdrdir)/ruby/internal/attr/noreturn.h
+fstring.o: $(hdrdir)/ruby/internal/attr/packed_struct.h
 fstring.o: $(hdrdir)/ruby/internal/attr/pure.h
 fstring.o: $(hdrdir)/ruby/internal/attr/restrict.h
 fstring.o: $(hdrdir)/ruby/internal/attr/returns_nonnull.h
@@ -1420,6 +1428,7 @@ init.o: $(hdrdir)/ruby/internal/attr/noexcept.h
 init.o: $(hdrdir)/ruby/internal/attr/noinline.h
 init.o: $(hdrdir)/ruby/internal/attr/nonnull.h
 init.o: $(hdrdir)/ruby/internal/attr/noreturn.h
+init.o: $(hdrdir)/ruby/internal/attr/packed_struct.h
 init.o: $(hdrdir)/ruby/internal/attr/pure.h
 init.o: $(hdrdir)/ruby/internal/attr/restrict.h
 init.o: $(hdrdir)/ruby/internal/attr/returns_nonnull.h
@@ -1580,6 +1589,7 @@ modify.o: $(hdrdir)/ruby/internal/attr/noexcept.h
 modify.o: $(hdrdir)/ruby/internal/attr/noinline.h
 modify.o: $(hdrdir)/ruby/internal/attr/nonnull.h
 modify.o: $(hdrdir)/ruby/internal/attr/noreturn.h
+modify.o: $(hdrdir)/ruby/internal/attr/packed_struct.h
 modify.o: $(hdrdir)/ruby/internal/attr/pure.h
 modify.o: $(hdrdir)/ruby/internal/attr/restrict.h
 modify.o: $(hdrdir)/ruby/internal/attr/returns_nonnull.h
@@ -1741,6 +1751,7 @@ new.o: $(hdrdir)/ruby/internal/attr/noexcept.h
 new.o: $(hdrdir)/ruby/internal/attr/noinline.h
 new.o: $(hdrdir)/ruby/internal/attr/nonnull.h
 new.o: $(hdrdir)/ruby/internal/attr/noreturn.h
+new.o: $(hdrdir)/ruby/internal/attr/packed_struct.h
 new.o: $(hdrdir)/ruby/internal/attr/pure.h
 new.o: $(hdrdir)/ruby/internal/attr/restrict.h
 new.o: $(hdrdir)/ruby/internal/attr/returns_nonnull.h
@@ -1912,6 +1923,7 @@ nofree.o: $(hdrdir)/ruby/internal/attr/noexcept.h
 nofree.o: $(hdrdir)/ruby/internal/attr/noinline.h
 nofree.o: $(hdrdir)/ruby/internal/attr/nonnull.h
 nofree.o: $(hdrdir)/ruby/internal/attr/noreturn.h
+nofree.o: $(hdrdir)/ruby/internal/attr/packed_struct.h
 nofree.o: $(hdrdir)/ruby/internal/attr/pure.h
 nofree.o: $(hdrdir)/ruby/internal/attr/restrict.h
 nofree.o: $(hdrdir)/ruby/internal/attr/returns_nonnull.h
@@ -2072,6 +2084,7 @@ normalize.o: $(hdrdir)/ruby/internal/attr/noexcept.h
 normalize.o: $(hdrdir)/ruby/internal/attr/noinline.h
 normalize.o: $(hdrdir)/ruby/internal/attr/nonnull.h
 normalize.o: $(hdrdir)/ruby/internal/attr/noreturn.h
+normalize.o: $(hdrdir)/ruby/internal/attr/packed_struct.h
 normalize.o: $(hdrdir)/ruby/internal/attr/pure.h
 normalize.o: $(hdrdir)/ruby/internal/attr/restrict.h
 normalize.o: $(hdrdir)/ruby/internal/attr/returns_nonnull.h
@@ -2245,6 +2258,7 @@ qsort.o: $(hdrdir)/ruby/internal/attr/noexcept.h
 qsort.o: $(hdrdir)/ruby/internal/attr/noinline.h
 qsort.o: $(hdrdir)/ruby/internal/attr/nonnull.h
 qsort.o: $(hdrdir)/ruby/internal/attr/noreturn.h
+qsort.o: $(hdrdir)/ruby/internal/attr/packed_struct.h
 qsort.o: $(hdrdir)/ruby/internal/attr/pure.h
 qsort.o: $(hdrdir)/ruby/internal/attr/restrict.h
 qsort.o: $(hdrdir)/ruby/internal/attr/returns_nonnull.h
@@ -2417,6 +2431,7 @@ rb_interned_str.o: $(hdrdir)/ruby/internal/attr/noexcept.h
 rb_interned_str.o: $(hdrdir)/ruby/internal/attr/noinline.h
 rb_interned_str.o: $(hdrdir)/ruby/internal/attr/nonnull.h
 rb_interned_str.o: $(hdrdir)/ruby/internal/attr/noreturn.h
+rb_interned_str.o: $(hdrdir)/ruby/internal/attr/packed_struct.h
 rb_interned_str.o: $(hdrdir)/ruby/internal/attr/pure.h
 rb_interned_str.o: $(hdrdir)/ruby/internal/attr/restrict.h
 rb_interned_str.o: $(hdrdir)/ruby/internal/attr/returns_nonnull.h
@@ -2577,6 +2592,7 @@ rb_str_dup.o: $(hdrdir)/ruby/internal/attr/noexcept.h
 rb_str_dup.o: $(hdrdir)/ruby/internal/attr/noinline.h
 rb_str_dup.o: $(hdrdir)/ruby/internal/attr/nonnull.h
 rb_str_dup.o: $(hdrdir)/ruby/internal/attr/noreturn.h
+rb_str_dup.o: $(hdrdir)/ruby/internal/attr/packed_struct.h
 rb_str_dup.o: $(hdrdir)/ruby/internal/attr/pure.h
 rb_str_dup.o: $(hdrdir)/ruby/internal/attr/restrict.h
 rb_str_dup.o: $(hdrdir)/ruby/internal/attr/returns_nonnull.h
@@ -2737,6 +2753,7 @@ set_len.o: $(hdrdir)/ruby/internal/attr/noexcept.h
 set_len.o: $(hdrdir)/ruby/internal/attr/noinline.h
 set_len.o: $(hdrdir)/ruby/internal/attr/nonnull.h
 set_len.o: $(hdrdir)/ruby/internal/attr/noreturn.h
+set_len.o: $(hdrdir)/ruby/internal/attr/packed_struct.h
 set_len.o: $(hdrdir)/ruby/internal/attr/pure.h
 set_len.o: $(hdrdir)/ruby/internal/attr/restrict.h
 set_len.o: $(hdrdir)/ruby/internal/attr/returns_nonnull.h

ext/-test-/struct/depend

@@ -52,6 +52,7 @@ duplicate.o: $(hdrdir)/ruby/internal/attr/noexcept.h
 duplicate.o: $(hdrdir)/ruby/internal/attr/noinline.h
 duplicate.o: $(hdrdir)/ruby/internal/attr/nonnull.h
 duplicate.o: $(hdrdir)/ruby/internal/attr/noreturn.h
+duplicate.o: $(hdrdir)/ruby/internal/attr/packed_struct.h
 duplicate.o: $(hdrdir)/ruby/internal/attr/pure.h
 duplicate.o: $(hdrdir)/ruby/internal/attr/restrict.h
 duplicate.o: $(hdrdir)/ruby/internal/attr/returns_nonnull.h
@@ -212,6 +213,7 @@ init.o: $(hdrdir)/ruby/internal/attr/noexcept.h
 init.o: $(hdrdir)/ruby/internal/attr/noinline.h
 init.o: $(hdrdir)/ruby/internal/attr/nonnull.h
 init.o: $(hdrdir)/ruby/internal/attr/noreturn.h
+init.o: $(hdrdir)/ruby/internal/attr/packed_struct.h
 init.o: $(hdrdir)/ruby/internal/attr/pure.h
 init.o: $(hdrdir)/ruby/internal/attr/restrict.h
 init.o: $(hdrdir)/ruby/internal/attr/returns_nonnull.h
@@ -372,6 +374,7 @@ len.o: $(hdrdir)/ruby/internal/attr/noexcept.h
 len.o: $(hdrdir)/ruby/internal/attr/noinline.h
 len.o: $(hdrdir)/ruby/internal/attr/nonnull.h
 len.o: $(hdrdir)/ruby/internal/attr/noreturn.h
+len.o: $(hdrdir)/ruby/internal/attr/packed_struct.h
 len.o: $(hdrdir)/ruby/internal/attr/pure.h
 len.o: $(hdrdir)/ruby/internal/attr/restrict.h
 len.o: $(hdrdir)/ruby/internal/attr/returns_nonnull.h
@@ -532,6 +535,7 @@ member.o: $(hdrdir)/ruby/internal/attr/noexcept.h
 member.o: $(hdrdir)/ruby/internal/attr/noinline.h
 member.o: $(hdrdir)/ruby/internal/attr/nonnull.h
 member.o: $(hdrdir)/ruby/internal/attr/noreturn.h
+member.o: $(hdrdir)/ruby/internal/attr/packed_struct.h
 member.o: $(hdrdir)/ruby/internal/attr/pure.h
 member.o: $(hdrdir)/ruby/internal/attr/restrict.h
 member.o: $(hdrdir)/ruby/internal/attr/returns_nonnull.h

ext/-test-/symbol/depend

@@ -52,6 +52,7 @@ init.o: $(hdrdir)/ruby/internal/attr/noexcept.h
 init.o: $(hdrdir)/ruby/internal/attr/noinline.h
 init.o: $(hdrdir)/ruby/internal/attr/nonnull.h
 init.o: $(hdrdir)/ruby/internal/attr/noreturn.h
+init.o: $(hdrdir)/ruby/internal/attr/packed_struct.h
 init.o: $(hdrdir)/ruby/internal/attr/pure.h
 init.o: $(hdrdir)/ruby/internal/attr/restrict.h
 init.o: $(hdrdir)/ruby/internal/attr/returns_nonnull.h
@@ -212,6 +213,7 @@ type.o: $(hdrdir)/ruby/internal/attr/noexcept.h
 type.o: $(hdrdir)/ruby/internal/attr/noinline.h
 type.o: $(hdrdir)/ruby/internal/attr/nonnull.h
 type.o: $(hdrdir)/ruby/internal/attr/noreturn.h
+type.o: $(hdrdir)/ruby/internal/attr/packed_struct.h
 type.o: $(hdrdir)/ruby/internal/attr/pure.h
 type.o: $(hdrdir)/ruby/internal/attr/restrict.h
 type.o: $(hdrdir)/ruby/internal/attr/returns_nonnull.h

ext/-test-/thread/instrumentation/depend

@@ -52,6 +52,7 @@ instrumentation.o: $(hdrdir)/ruby/internal/attr/noexcept.h
 instrumentation.o: $(hdrdir)/ruby/internal/attr/noinline.h
 instrumentation.o: $(hdrdir)/ruby/internal/attr/nonnull.h
 instrumentation.o: $(hdrdir)/ruby/internal/attr/noreturn.h
+instrumentation.o: $(hdrdir)/ruby/internal/attr/packed_struct.h
 instrumentation.o: $(hdrdir)/ruby/internal/attr/pure.h
 instrumentation.o: $(hdrdir)/ruby/internal/attr/restrict.h
 instrumentation.o: $(hdrdir)/ruby/internal/attr/returns_nonnull.h

ext/-test-/thread_fd/depend

@@ -51,6 +51,7 @@ thread_fd.o: $(hdrdir)/ruby/internal/attr/noexcept.h
 thread_fd.o: $(hdrdir)/ruby/internal/attr/noinline.h
 thread_fd.o: $(hdrdir)/ruby/internal/attr/nonnull.h
 thread_fd.o: $(hdrdir)/ruby/internal/attr/noreturn.h
+thread_fd.o: $(hdrdir)/ruby/internal/attr/packed_struct.h
 thread_fd.o: $(hdrdir)/ruby/internal/attr/pure.h
 thread_fd.o: $(hdrdir)/ruby/internal/attr/restrict.h
 thread_fd.o: $(hdrdir)/ruby/internal/attr/returns_nonnull.h

ext/-test-/time/depend

@@ -52,6 +52,7 @@ init.o: $(hdrdir)/ruby/internal/attr/noexcept.h
 init.o: $(hdrdir)/ruby/internal/attr/noinline.h
 init.o: $(hdrdir)/ruby/internal/attr/nonnull.h
 init.o: $(hdrdir)/ruby/internal/attr/noreturn.h
+init.o: $(hdrdir)/ruby/internal/attr/packed_struct.h
 init.o: $(hdrdir)/ruby/internal/attr/pure.h
 init.o: $(hdrdir)/ruby/internal/attr/restrict.h
 init.o: $(hdrdir)/ruby/internal/attr/returns_nonnull.h
@@ -213,6 +214,7 @@ leap_second.o: $(hdrdir)/ruby/internal/attr/noexcept.h
 leap_second.o: $(hdrdir)/ruby/internal/attr/noinline.h
 leap_second.o: $(hdrdir)/ruby/internal/attr/nonnull.h
 leap_second.o: $(hdrdir)/ruby/internal/attr/noreturn.h
+leap_second.o: $(hdrdir)/ruby/internal/attr/packed_struct.h
 leap_second.o: $(hdrdir)/ruby/internal/attr/pure.h
 leap_second.o: $(hdrdir)/ruby/internal/attr/restrict.h
 leap_second.o: $(hdrdir)/ruby/internal/attr/returns_nonnull.h
@@ -377,6 +379,7 @@ new.o: $(hdrdir)/ruby/internal/attr/noexcept.h
 new.o: $(hdrdir)/ruby/internal/attr/noinline.h
 new.o: $(hdrdir)/ruby/internal/attr/nonnull.h
 new.o: $(hdrdir)/ruby/internal/attr/noreturn.h
+new.o: $(hdrdir)/ruby/internal/attr/packed_struct.h
 new.o: $(hdrdir)/ruby/internal/attr/pure.h
 new.o: $(hdrdir)/ruby/internal/attr/restrict.h
 new.o: $(hdrdir)/ruby/internal/attr/returns_nonnull.h

ext/-test-/tracepoint/depend

@@ -52,6 +52,7 @@ gc_hook.o: $(hdrdir)/ruby/internal/attr/noexcept.h
 gc_hook.o: $(hdrdir)/ruby/internal/attr/noinline.h
 gc_hook.o: $(hdrdir)/ruby/internal/attr/nonnull.h
 gc_hook.o: $(hdrdir)/ruby/internal/attr/noreturn.h
+gc_hook.o: $(hdrdir)/ruby/internal/attr/packed_struct.h
 gc_hook.o: $(hdrdir)/ruby/internal/attr/pure.h
 gc_hook.o: $(hdrdir)/ruby/internal/attr/restrict.h
 gc_hook.o: $(hdrdir)/ruby/internal/attr/returns_nonnull.h
@@ -212,6 +213,7 @@ tracepoint.o: $(hdrdir)/ruby/internal/attr/noexcept.h
 tracepoint.o: $(hdrdir)/ruby/internal/attr/noinline.h
 tracepoint.o: $(hdrdir)/ruby/internal/attr/nonnull.h
 tracepoint.o: $(hdrdir)/ruby/internal/attr/noreturn.h
+tracepoint.o: $(hdrdir)/ruby/internal/attr/packed_struct.h
 tracepoint.o: $(hdrdir)/ruby/internal/attr/pure.h
 tracepoint.o: $(hdrdir)/ruby/internal/attr/restrict.h
 tracepoint.o: $(hdrdir)/ruby/internal/attr/returns_nonnull.h

ext/-test-/typeddata/depend

@@ -52,6 +52,7 @@ typeddata.o: $(hdrdir)/ruby/internal/attr/noexcept.h
 typeddata.o: $(hdrdir)/ruby/internal/attr/noinline.h
 typeddata.o: $(hdrdir)/ruby/internal/attr/nonnull.h
 typeddata.o: $(hdrdir)/ruby/internal/attr/noreturn.h
+typeddata.o: $(hdrdir)/ruby/internal/attr/packed_struct.h
 typeddata.o: $(hdrdir)/ruby/internal/attr/pure.h
 typeddata.o: $(hdrdir)/ruby/internal/attr/restrict.h
 typeddata.o: $(hdrdir)/ruby/internal/attr/returns_nonnull.h

ext/-test-/vm/depend

@@ -51,6 +51,7 @@ at_exit.o: $(hdrdir)/ruby/internal/attr/noexcept.h
 at_exit.o: $(hdrdir)/ruby/internal/attr/noinline.h
 at_exit.o: $(hdrdir)/ruby/internal/attr/nonnull.h
 at_exit.o: $(hdrdir)/ruby/internal/attr/noreturn.h
+at_exit.o: $(hdrdir)/ruby/internal/attr/packed_struct.h
 at_exit.o: $(hdrdir)/ruby/internal/attr/pure.h
 at_exit.o: $(hdrdir)/ruby/internal/attr/restrict.h
 at_exit.o: $(hdrdir)/ruby/internal/attr/returns_nonnull.h

ext/-test-/wait/depend

@@ -52,6 +52,7 @@ wait.o: $(hdrdir)/ruby/internal/attr/noexcept.h
 wait.o: $(hdrdir)/ruby/internal/attr/noinline.h
 wait.o: $(hdrdir)/ruby/internal/attr/nonnull.h
 wait.o: $(hdrdir)/ruby/internal/attr/noreturn.h
+wait.o: $(hdrdir)/ruby/internal/attr/packed_struct.h
 wait.o: $(hdrdir)/ruby/internal/attr/pure.h
 wait.o: $(hdrdir)/ruby/internal/attr/restrict.h
 wait.o: $(hdrdir)/ruby/internal/attr/returns_nonnull.h

ext/bigdecimal/depend

@@ -53,6 +53,7 @@ bigdecimal.o: $(hdrdir)/ruby/internal/attr/noexcept.h
 bigdecimal.o: $(hdrdir)/ruby/internal/attr/noinline.h
 bigdecimal.o: $(hdrdir)/ruby/internal/attr/nonnull.h
 bigdecimal.o: $(hdrdir)/ruby/internal/attr/noreturn.h
+bigdecimal.o: $(hdrdir)/ruby/internal/attr/packed_struct.h
 bigdecimal.o: $(hdrdir)/ruby/internal/attr/pure.h
 bigdecimal.o: $(hdrdir)/ruby/internal/attr/restrict.h
 bigdecimal.o: $(hdrdir)/ruby/internal/attr/returns_nonnull.h
@@ -219,6 +220,7 @@ missing.o: $(hdrdir)/ruby/internal/attr/noexcept.h
 missing.o: $(hdrdir)/ruby/internal/attr/noinline.h
 missing.o: $(hdrdir)/ruby/internal/attr/nonnull.h
 missing.o: $(hdrdir)/ruby/internal/attr/noreturn.h
+missing.o: $(hdrdir)/ruby/internal/attr/packed_struct.h
 missing.o: $(hdrdir)/ruby/internal/attr/pure.h
 missing.o: $(hdrdir)/ruby/internal/attr/restrict.h
 missing.o: $(hdrdir)/ruby/internal/attr/returns_nonnull.h

ext/cgi/escape/depend

@@ -53,6 +53,7 @@ escape.o: $(hdrdir)/ruby/internal/attr/noexcept.h
 escape.o: $(hdrdir)/ruby/internal/attr/noinline.h
 escape.o: $(hdrdir)/ruby/internal/attr/nonnull.h
 escape.o: $(hdrdir)/ruby/internal/attr/noreturn.h
+escape.o: $(hdrdir)/ruby/internal/attr/packed_struct.h
 escape.o: $(hdrdir)/ruby/internal/attr/pure.h
 escape.o: $(hdrdir)/ruby/internal/attr/restrict.h
 escape.o: $(hdrdir)/ruby/internal/attr/returns_nonnull.h

ext/continuation/depend

@@ -51,6 +51,7 @@ continuation.o: $(hdrdir)/ruby/internal/attr/noexcept.h
 continuation.o: $(hdrdir)/ruby/internal/attr/noinline.h
 continuation.o: $(hdrdir)/ruby/internal/attr/nonnull.h
 continuation.o: $(hdrdir)/ruby/internal/attr/noreturn.h
+continuation.o: $(hdrdir)/ruby/internal/attr/packed_struct.h
 continuation.o: $(hdrdir)/ruby/internal/attr/pure.h
 continuation.o: $(hdrdir)/ruby/internal/attr/restrict.h
 continuation.o: $(hdrdir)/ruby/internal/attr/returns_nonnull.h

ext/coverage/depend

@@ -54,6 +54,7 @@ coverage.o: $(hdrdir)/ruby/internal/attr/noexcept.h
 coverage.o: $(hdrdir)/ruby/internal/attr/noinline.h
 coverage.o: $(hdrdir)/ruby/internal/attr/nonnull.h
 coverage.o: $(hdrdir)/ruby/internal/attr/noreturn.h
+coverage.o: $(hdrdir)/ruby/internal/attr/packed_struct.h
 coverage.o: $(hdrdir)/ruby/internal/attr/pure.h
 coverage.o: $(hdrdir)/ruby/internal/attr/restrict.h
 coverage.o: $(hdrdir)/ruby/internal/attr/returns_nonnull.h

ext/date/depend

@@ -53,6 +53,7 @@ date_core.o: $(hdrdir)/ruby/internal/attr/noexcept.h
 date_core.o: $(hdrdir)/ruby/internal/attr/noinline.h
 date_core.o: $(hdrdir)/ruby/internal/attr/nonnull.h
 date_core.o: $(hdrdir)/ruby/internal/attr/noreturn.h
+date_core.o: $(hdrdir)/ruby/internal/attr/packed_struct.h
 date_core.o: $(hdrdir)/ruby/internal/attr/pure.h
 date_core.o: $(hdrdir)/ruby/internal/attr/restrict.h
 date_core.o: $(hdrdir)/ruby/internal/attr/returns_nonnull.h
@@ -227,6 +228,7 @@ date_parse.o: $(hdrdir)/ruby/internal/attr/noexcept.h
 date_parse.o: $(hdrdir)/ruby/internal/attr/noinline.h
 date_parse.o: $(hdrdir)/ruby/internal/attr/nonnull.h
 date_parse.o: $(hdrdir)/ruby/internal/attr/noreturn.h
+date_parse.o: $(hdrdir)/ruby/internal/attr/packed_struct.h
 date_parse.o: $(hdrdir)/ruby/internal/attr/pure.h
 date_parse.o: $(hdrdir)/ruby/internal/attr/restrict.h
 date_parse.o: $(hdrdir)/ruby/internal/attr/returns_nonnull.h
@@ -402,6 +404,7 @@ date_strftime.o: $(hdrdir)/ruby/internal/attr/noexcept.h
 date_strftime.o: $(hdrdir)/ruby/internal/attr/noinline.h
 date_strftime.o: $(hdrdir)/ruby/internal/attr/nonnull.h
 date_strftime.o: $(hdrdir)/ruby/internal/attr/noreturn.h
+date_strftime.o: $(hdrdir)/ruby/internal/attr/packed_struct.h
 date_strftime.o: $(hdrdir)/ruby/internal/attr/pure.h
 date_strftime.o: $(hdrdir)/ruby/internal/attr/restrict.h
 date_strftime.o: $(hdrdir)/ruby/internal/attr/returns_nonnull.h
@@ -564,6 +567,7 @@ date_strptime.o: $(hdrdir)/ruby/internal/attr/noexcept.h
 date_strptime.o: $(hdrdir)/ruby/internal/attr/noinline.h
 date_strptime.o: $(hdrdir)/ruby/internal/attr/nonnull.h
 date_strptime.o: $(hdrdir)/ruby/internal/attr/noreturn.h
+date_strptime.o: $(hdrdir)/ruby/internal/attr/packed_struct.h
 date_strptime.o: $(hdrdir)/ruby/internal/attr/pure.h
 date_strptime.o: $(hdrdir)/ruby/internal/attr/restrict.h
 date_strptime.o: $(hdrdir)/ruby/internal/attr/returns_nonnull.h

ext/digest/bubblebabble/depend

@@ -52,6 +52,7 @@ bubblebabble.o: $(hdrdir)/ruby/internal/attr/noexcept.h
 bubblebabble.o: $(hdrdir)/ruby/internal/attr/noinline.h
 bubblebabble.o: $(hdrdir)/ruby/internal/attr/nonnull.h
 bubblebabble.o: $(hdrdir)/ruby/internal/attr/noreturn.h
+bubblebabble.o: $(hdrdir)/ruby/internal/attr/packed_struct.h
 bubblebabble.o: $(hdrdir)/ruby/internal/attr/pure.h
 bubblebabble.o: $(hdrdir)/ruby/internal/attr/restrict.h
 bubblebabble.o: $(hdrdir)/ruby/internal/attr/returns_nonnull.h

ext/digest/depend

@@ -52,6 +52,7 @@ digest.o: $(hdrdir)/ruby/internal/attr/noexcept.h
 digest.o: $(hdrdir)/ruby/internal/attr/noinline.h
 digest.o: $(hdrdir)/ruby/internal/attr/nonnull.h
 digest.o: $(hdrdir)/ruby/internal/attr/noreturn.h
+digest.o: $(hdrdir)/ruby/internal/attr/packed_struct.h
 digest.o: $(hdrdir)/ruby/internal/attr/pure.h
 digest.o: $(hdrdir)/ruby/internal/attr/restrict.h
 digest.o: $(hdrdir)/ruby/internal/attr/returns_nonnull.h

ext/digest/md5/depend

@@ -55,6 +55,7 @@ md5.o: $(hdrdir)/ruby/internal/attr/noexcept.h
 md5.o: $(hdrdir)/ruby/internal/attr/noinline.h
 md5.o: $(hdrdir)/ruby/internal/attr/nonnull.h
 md5.o: $(hdrdir)/ruby/internal/attr/noreturn.h
+md5.o: $(hdrdir)/ruby/internal/attr/packed_struct.h
 md5.o: $(hdrdir)/ruby/internal/attr/pure.h
 md5.o: $(hdrdir)/ruby/internal/attr/restrict.h
 md5.o: $(hdrdir)/ruby/internal/attr/returns_nonnull.h
@@ -217,6 +218,7 @@ md5init.o: $(hdrdir)/ruby/internal/attr/noexcept.h
 md5init.o: $(hdrdir)/ruby/internal/attr/noinline.h
 md5init.o: $(hdrdir)/ruby/internal/attr/nonnull.h
 md5init.o: $(hdrdir)/ruby/internal/attr/noreturn.h
+md5init.o: $(hdrdir)/ruby/internal/attr/packed_struct.h
 md5init.o: $(hdrdir)/ruby/internal/attr/pure.h
 md5init.o: $(hdrdir)/ruby/internal/attr/restrict.h
 md5init.o: $(hdrdir)/ruby/internal/attr/returns_nonnull.h

ext/digest/rmd160/depend

@@ -55,6 +55,7 @@ rmd160.o: $(hdrdir)/ruby/internal/attr/noexcept.h
 rmd160.o: $(hdrdir)/ruby/internal/attr/noinline.h
 rmd160.o: $(hdrdir)/ruby/internal/attr/nonnull.h
 rmd160.o: $(hdrdir)/ruby/internal/attr/noreturn.h
+rmd160.o: $(hdrdir)/ruby/internal/attr/packed_struct.h
 rmd160.o: $(hdrdir)/ruby/internal/attr/pure.h
 rmd160.o: $(hdrdir)/ruby/internal/attr/restrict.h
 rmd160.o: $(hdrdir)/ruby/internal/attr/returns_nonnull.h
@@ -217,6 +218,7 @@ rmd160init.o: $(hdrdir)/ruby/internal/attr/noexcept.h
 rmd160init.o: $(hdrdir)/ruby/internal/attr/noinline.h
 rmd160init.o: $(hdrdir)/ruby/internal/attr/nonnull.h
 rmd160init.o: $(hdrdir)/ruby/internal/attr/noreturn.h
+rmd160init.o: $(hdrdir)/ruby/internal/attr/packed_struct.h
 rmd160init.o: $(hdrdir)/ruby/internal/attr/pure.h
 rmd160init.o: $(hdrdir)/ruby/internal/attr/restrict.h
 rmd160init.o: $(hdrdir)/ruby/internal/attr/returns_nonnull.h

ext/digest/sha1/depend

@@ -55,6 +55,7 @@ sha1.o: $(hdrdir)/ruby/internal/attr/noexcept.h
 sha1.o: $(hdrdir)/ruby/internal/attr/noinline.h
 sha1.o: $(hdrdir)/ruby/internal/attr/nonnull.h
 sha1.o: $(hdrdir)/ruby/internal/attr/noreturn.h
+sha1.o: $(hdrdir)/ruby/internal/attr/packed_struct.h
 sha1.o: $(hdrdir)/ruby/internal/attr/pure.h
 sha1.o: $(hdrdir)/ruby/internal/attr/restrict.h
 sha1.o: $(hdrdir)/ruby/internal/attr/returns_nonnull.h
@@ -217,6 +218,7 @@ sha1init.o: $(hdrdir)/ruby/internal/attr/noexcept.h
 sha1init.o: $(hdrdir)/ruby/internal/attr/noinline.h
 sha1init.o: $(hdrdir)/ruby/internal/attr/nonnull.h
 sha1init.o: $(hdrdir)/ruby/internal/attr/noreturn.h
+sha1init.o: $(hdrdir)/ruby/internal/attr/packed_struct.h
 sha1init.o: $(hdrdir)/ruby/internal/attr/pure.h
 sha1init.o: $(hdrdir)/ruby/internal/attr/restrict.h
 sha1init.o: $(hdrdir)/ruby/internal/attr/returns_nonnull.h

ext/digest/sha2/depend

@@ -55,6 +55,7 @@ sha2.o: $(hdrdir)/ruby/internal/attr/noexcept.h
 sha2.o: $(hdrdir)/ruby/internal/attr/noinline.h
 sha2.o: $(hdrdir)/ruby/internal/attr/nonnull.h
 sha2.o: $(hdrdir)/ruby/internal/attr/noreturn.h
+sha2.o: $(hdrdir)/ruby/internal/attr/packed_struct.h
 sha2.o: $(hdrdir)/ruby/internal/attr/pure.h
 sha2.o: $(hdrdir)/ruby/internal/attr/restrict.h
 sha2.o: $(hdrdir)/ruby/internal/attr/returns_nonnull.h
@@ -217,6 +218,7 @@ sha2init.o: $(hdrdir)/ruby/internal/attr/noexcept.h
 sha2init.o: $(hdrdir)/ruby/internal/attr/noinline.h
 sha2init.o: $(hdrdir)/ruby/internal/attr/nonnull.h
 sha2init.o: $(hdrdir)/ruby/internal/attr/noreturn.h
+sha2init.o: $(hdrdir)/ruby/internal/attr/packed_struct.h
 sha2init.o: $(hdrdir)/ruby/internal/attr/pure.h
 sha2init.o: $(hdrdir)/ruby/internal/attr/restrict.h
 sha2init.o: $(hdrdir)/ruby/internal/attr/returns_nonnull.h

ext/etc/depend

@@ -58,6 +58,7 @@ etc.o: $(hdrdir)/ruby/internal/attr/noexcept.h
 etc.o: $(hdrdir)/ruby/internal/attr/noinline.h
 etc.o: $(hdrdir)/ruby/internal/attr/nonnull.h
 etc.o: $(hdrdir)/ruby/internal/attr/noreturn.h
+etc.o: $(hdrdir)/ruby/internal/attr/packed_struct.h
 etc.o: $(hdrdir)/ruby/internal/attr/pure.h
 etc.o: $(hdrdir)/ruby/internal/attr/restrict.h
 etc.o: $(hdrdir)/ruby/internal/attr/returns_nonnull.h

ext/fcntl/depend

@@ -52,6 +52,7 @@ fcntl.o: $(hdrdir)/ruby/internal/attr/noexcept.h
 fcntl.o: $(hdrdir)/ruby/internal/attr/noinline.h
 fcntl.o: $(hdrdir)/ruby/internal/attr/nonnull.h
 fcntl.o: $(hdrdir)/ruby/internal/attr/noreturn.h
+fcntl.o: $(hdrdir)/ruby/internal/attr/packed_struct.h
 fcntl.o: $(hdrdir)/ruby/internal/attr/pure.h
 fcntl.o: $(hdrdir)/ruby/internal/attr/restrict.h
 fcntl.o: $(hdrdir)/ruby/internal/attr/returns_nonnull.h

ext/fiddle/depend

@@ -105,6 +105,7 @@ closure.o: $(hdrdir)/ruby/internal/attr/noexcept.h
 closure.o: $(hdrdir)/ruby/internal/attr/noinline.h
 closure.o: $(hdrdir)/ruby/internal/attr/nonnull.h
 closure.o: $(hdrdir)/ruby/internal/attr/noreturn.h
+closure.o: $(hdrdir)/ruby/internal/attr/packed_struct.h
 closure.o: $(hdrdir)/ruby/internal/attr/pure.h
 closure.o: $(hdrdir)/ruby/internal/attr/restrict.h
 closure.o: $(hdrdir)/ruby/internal/attr/returns_nonnull.h
@@ -270,6 +271,7 @@ conversions.o: $(hdrdir)/ruby/internal/attr/noexcept.h
 conversions.o: $(hdrdir)/ruby/internal/attr/noinline.h
 conversions.o: $(hdrdir)/ruby/internal/attr/nonnull.h
 conversions.o: $(hdrdir)/ruby/internal/attr/noreturn.h
+conversions.o: $(hdrdir)/ruby/internal/attr/packed_struct.h
 conversions.o: $(hdrdir)/ruby/internal/attr/pure.h
 conversions.o: $(hdrdir)/ruby/internal/attr/restrict.h
 conversions.o: $(hdrdir)/ruby/internal/attr/returns_nonnull.h
@@ -434,6 +436,7 @@ fiddle.o: $(hdrdir)/ruby/internal/attr/noexcept.h
 fiddle.o: $(hdrdir)/ruby/internal/attr/noinline.h
 fiddle.o: $(hdrdir)/ruby/internal/attr/nonnull.h
 fiddle.o: $(hdrdir)/ruby/internal/attr/noreturn.h
+fiddle.o: $(hdrdir)/ruby/internal/attr/packed_struct.h
 fiddle.o: $(hdrdir)/ruby/internal/attr/pure.h
 fiddle.o: $(hdrdir)/ruby/internal/attr/restrict.h
 fiddle.o: $(hdrdir)/ruby/internal/attr/returns_nonnull.h
@@ -598,6 +601,7 @@ function.o: $(hdrdir)/ruby/internal/attr/noexcept.h
 function.o: $(hdrdir)/ruby/internal/attr/noinline.h
 function.o: $(hdrdir)/ruby/internal/attr/nonnull.h
 function.o: $(hdrdir)/ruby/internal/attr/noreturn.h
+function.o: $(hdrdir)/ruby/internal/attr/packed_struct.h
 function.o: $(hdrdir)/ruby/internal/attr/pure.h
 function.o: $(hdrdir)/ruby/internal/attr/restrict.h
 function.o: $(hdrdir)/ruby/internal/attr/returns_nonnull.h
@@ -763,6 +767,7 @@ handle.o: $(hdrdir)/ruby/internal/attr/noexcept.h
 handle.o: $(hdrdir)/ruby/internal/attr/noinline.h
 handle.o: $(hdrdir)/ruby/internal/attr/nonnull.h
 handle.o: $(hdrdir)/ruby/internal/attr/noreturn.h
+handle.o: $(hdrdir)/ruby/internal/attr/packed_struct.h
 handle.o: $(hdrdir)/ruby/internal/attr/pure.h
 handle.o: $(hdrdir)/ruby/internal/attr/restrict.h
 handle.o: $(hdrdir)/ruby/internal/attr/returns_nonnull.h
@@ -928,6 +933,7 @@ memory_view.o: $(hdrdir)/ruby/internal/attr/noexcept.h
 memory_view.o: $(hdrdir)/ruby/internal/attr/noinline.h
 memory_view.o: $(hdrdir)/ruby/internal/attr/nonnull.h
 memory_view.o: $(hdrdir)/ruby/internal/attr/noreturn.h
+memory_view.o: $(hdrdir)/ruby/internal/attr/packed_struct.h
 memory_view.o: $(hdrdir)/ruby/internal/attr/pure.h
 memory_view.o: $(hdrdir)/ruby/internal/attr/restrict.h
 memory_view.o: $(hdrdir)/ruby/internal/attr/returns_nonnull.h
@@ -1104,6 +1110,7 @@ pinned.o: $(hdrdir)/ruby/internal/attr/noexcept.h
 pinned.o: $(hdrdir)/ruby/internal/attr/noinline.h
 pinned.o: $(hdrdir)/ruby/internal/attr/nonnull.h
 pinned.o: $(hdrdir)/ruby/internal/attr/noreturn.h
+pinned.o: $(hdrdir)/ruby/internal/attr/packed_struct.h
 pinned.o: $(hdrdir)/ruby/internal/attr/pure.h
 pinned.o: $(hdrdir)/ruby/internal/attr/restrict.h
 pinned.o: $(hdrdir)/ruby/internal/attr/returns_nonnull.h
@@ -1269,6 +1276,7 @@ pointer.o: $(hdrdir)/ruby/internal/attr/noexcept.h
 pointer.o: $(hdrdir)/ruby/internal/attr/noinline.h
 pointer.o: $(hdrdir)/ruby/internal/attr/nonnull.h
 pointer.o: $(hdrdir)/ruby/internal/attr/noreturn.h
+pointer.o: $(hdrdir)/ruby/internal/attr/packed_struct.h
 pointer.o: $(hdrdir)/ruby/internal/attr/pure.h
 pointer.o: $(hdrdir)/ruby/internal/attr/restrict.h
 pointer.o: $(hdrdir)/ruby/internal/attr/returns_nonnull.h

ext/io/console/depend

@@ -54,6 +54,7 @@ console.o: $(hdrdir)/ruby/internal/attr/noexcept.h
 console.o: $(hdrdir)/ruby/internal/attr/noinline.h
 console.o: $(hdrdir)/ruby/internal/attr/nonnull.h
 console.o: $(hdrdir)/ruby/internal/attr/noreturn.h
+console.o: $(hdrdir)/ruby/internal/attr/packed_struct.h
 console.o: $(hdrdir)/ruby/internal/attr/pure.h
 console.o: $(hdrdir)/ruby/internal/attr/restrict.h
 console.o: $(hdrdir)/ruby/internal/attr/returns_nonnull.h

ext/io/nonblock/depend

@@ -53,6 +53,7 @@ nonblock.o: $(hdrdir)/ruby/internal/attr/noexcept.h
 nonblock.o: $(hdrdir)/ruby/internal/attr/noinline.h
 nonblock.o: $(hdrdir)/ruby/internal/attr/nonnull.h
 nonblock.o: $(hdrdir)/ruby/internal/attr/noreturn.h
+nonblock.o: $(hdrdir)/ruby/internal/attr/packed_struct.h
 nonblock.o: $(hdrdir)/ruby/internal/attr/pure.h
 nonblock.o: $(hdrdir)/ruby/internal/attr/restrict.h
 nonblock.o: $(hdrdir)/ruby/internal/attr/returns_nonnull.h

ext/io/wait/depend

@@ -54,6 +54,7 @@ wait.o: $(hdrdir)/ruby/internal/attr/noexcept.h
 wait.o: $(hdrdir)/ruby/internal/attr/noinline.h
 wait.o: $(hdrdir)/ruby/internal/attr/nonnull.h
 wait.o: $(hdrdir)/ruby/internal/attr/noreturn.h
+wait.o: $(hdrdir)/ruby/internal/attr/packed_struct.h
 wait.o: $(hdrdir)/ruby/internal/attr/pure.h
 wait.o: $(hdrdir)/ruby/internal/attr/restrict.h
 wait.o: $(hdrdir)/ruby/internal/attr/returns_nonnull.h

ext/json/generator/depend

@@ -56,6 +56,7 @@ generator.o: $(hdrdir)/ruby/internal/attr/noexcept.h
 generator.o: $(hdrdir)/ruby/internal/attr/noinline.h
 generator.o: $(hdrdir)/ruby/internal/attr/nonnull.h
 generator.o: $(hdrdir)/ruby/internal/attr/noreturn.h
+generator.o: $(hdrdir)/ruby/internal/attr/packed_struct.h
 generator.o: $(hdrdir)/ruby/internal/attr/pure.h
 generator.o: $(hdrdir)/ruby/internal/attr/restrict.h
 generator.o: $(hdrdir)/ruby/internal/attr/returns_nonnull.h

ext/json/parser/depend

@@ -56,6 +56,7 @@ parser.o: $(hdrdir)/ruby/internal/attr/noexcept.h
 parser.o: $(hdrdir)/ruby/internal/attr/noinline.h
 parser.o: $(hdrdir)/ruby/internal/attr/nonnull.h
 parser.o: $(hdrdir)/ruby/internal/attr/noreturn.h
+parser.o: $(hdrdir)/ruby/internal/attr/packed_struct.h
 parser.o: $(hdrdir)/ruby/internal/attr/pure.h
 parser.o: $(hdrdir)/ruby/internal/attr/restrict.h
 parser.o: $(hdrdir)/ruby/internal/attr/returns_nonnull.h

ext/monitor/depend

@@ -51,6 +51,7 @@ monitor.o: $(hdrdir)/ruby/internal/attr/noexcept.h
 monitor.o: $(hdrdir)/ruby/internal/attr/noinline.h
 monitor.o: $(hdrdir)/ruby/internal/attr/nonnull.h
 monitor.o: $(hdrdir)/ruby/internal/attr/noreturn.h
+monitor.o: $(hdrdir)/ruby/internal/attr/packed_struct.h
 monitor.o: $(hdrdir)/ruby/internal/attr/pure.h
 monitor.o: $(hdrdir)/ruby/internal/attr/restrict.h
 monitor.o: $(hdrdir)/ruby/internal/attr/returns_nonnull.h

ext/nkf/depend

@@ -56,6 +56,7 @@ nkf.o: $(hdrdir)/ruby/internal/attr/noexcept.h
 nkf.o: $(hdrdir)/ruby/internal/attr/noinline.h
 nkf.o: $(hdrdir)/ruby/internal/attr/nonnull.h
 nkf.o: $(hdrdir)/ruby/internal/attr/noreturn.h
+nkf.o: $(hdrdir)/ruby/internal/attr/packed_struct.h
 nkf.o: $(hdrdir)/ruby/internal/attr/pure.h
 nkf.o: $(hdrdir)/ruby/internal/attr/restrict.h
 nkf.o: $(hdrdir)/ruby/internal/attr/returns_nonnull.h

ext/objspace/depend

@@ -52,6 +52,7 @@ object_tracing.o: $(hdrdir)/ruby/internal/attr/noexcept.h
 object_tracing.o: $(hdrdir)/ruby/internal/attr/noinline.h
 object_tracing.o: $(hdrdir)/ruby/internal/attr/nonnull.h
 object_tracing.o: $(hdrdir)/ruby/internal/attr/noreturn.h
+object_tracing.o: $(hdrdir)/ruby/internal/attr/packed_struct.h
 object_tracing.o: $(hdrdir)/ruby/internal/attr/pure.h
 object_tracing.o: $(hdrdir)/ruby/internal/attr/restrict.h
 object_tracing.o: $(hdrdir)/ruby/internal/attr/returns_nonnull.h
@@ -216,6 +217,7 @@ objspace.o: $(hdrdir)/ruby/internal/attr/noexcept.h
 objspace.o: $(hdrdir)/ruby/internal/attr/noinline.h
 objspace.o: $(hdrdir)/ruby/internal/attr/nonnull.h
 objspace.o: $(hdrdir)/ruby/internal/attr/noreturn.h
+objspace.o: $(hdrdir)/ruby/internal/attr/packed_struct.h
 objspace.o: $(hdrdir)/ruby/internal/attr/pure.h
 objspace.o: $(hdrdir)/ruby/internal/attr/restrict.h
 objspace.o: $(hdrdir)/ruby/internal/attr/returns_nonnull.h
@@ -411,6 +413,7 @@ objspace_dump.o: $(hdrdir)/ruby/internal/attr/noexcept.h
 objspace_dump.o: $(hdrdir)/ruby/internal/attr/noinline.h
 objspace_dump.o: $(hdrdir)/ruby/internal/attr/nonnull.h
 objspace_dump.o: $(hdrdir)/ruby/internal/attr/noreturn.h
+objspace_dump.o: $(hdrdir)/ruby/internal/attr/packed_struct.h
 objspace_dump.o: $(hdrdir)/ruby/internal/attr/pure.h
 objspace_dump.o: $(hdrdir)/ruby/internal/attr/restrict.h
 objspace_dump.o: $(hdrdir)/ruby/internal/attr/returns_nonnull.h

ext/openssl/depend

@@ -57,6 +57,7 @@ ossl.o: $(hdrdir)/ruby/internal/attr/noexcept.h
 ossl.o: $(hdrdir)/ruby/internal/attr/noinline.h
 ossl.o: $(hdrdir)/ruby/internal/attr/nonnull.h
 ossl.o: $(hdrdir)/ruby/internal/attr/noreturn.h
+ossl.o: $(hdrdir)/ruby/internal/attr/packed_struct.h
 ossl.o: $(hdrdir)/ruby/internal/attr/pure.h
 ossl.o: $(hdrdir)/ruby/internal/attr/restrict.h
 ossl.o: $(hdrdir)/ruby/internal/attr/returns_nonnull.h
@@ -251,6 +252,7 @@ ossl_asn1.o: $(hdrdir)/ruby/internal/attr/noexcept.h
 ossl_asn1.o: $(hdrdir)/ruby/internal/attr/noinline.h
 ossl_asn1.o: $(hdrdir)/ruby/internal/attr/nonnull.h
 ossl_asn1.o: $(hdrdir)/ruby/internal/attr/noreturn.h
+ossl_asn1.o: $(hdrdir)/ruby/internal/attr/packed_struct.h
 ossl_asn1.o: $(hdrdir)/ruby/internal/attr/pure.h
 ossl_asn1.o: $(hdrdir)/ruby/internal/attr/restrict.h
 ossl_asn1.o: $(hdrdir)/ruby/internal/attr/returns_nonnull.h
@@ -445,6 +447,7 @@ ossl_bio.o: $(hdrdir)/ruby/internal/attr/noexcept.h
 ossl_bio.o: $(hdrdir)/ruby/internal/attr/noinline.h
 ossl_bio.o: $(hdrdir)/ruby/internal/attr/nonnull.h
 ossl_bio.o: $(hdrdir)/ruby/internal/attr/noreturn.h
+ossl_bio.o: $(hdrdir)/ruby/internal/attr/packed_struct.h
 ossl_bio.o: $(hdrdir)/ruby/internal/attr/pure.h
 ossl_bio.o: $(hdrdir)/ruby/internal/attr/restrict.h
 ossl_bio.o: $(hdrdir)/ruby/internal/attr/returns_nonnull.h
@@ -639,6 +642,7 @@ ossl_bn.o: $(hdrdir)/ruby/internal/attr/noexcept.h
 ossl_bn.o: $(hdrdir)/ruby/internal/attr/noinline.h
 ossl_bn.o: $(hdrdir)/ruby/internal/attr/nonnull.h
 ossl_bn.o: $(hdrdir)/ruby/internal/attr/noreturn.h
+ossl_bn.o: $(hdrdir)/ruby/internal/attr/packed_struct.h
 ossl_bn.o: $(hdrdir)/ruby/internal/attr/pure.h
 ossl_bn.o: $(hdrdir)/ruby/internal/attr/restrict.h
 ossl_bn.o: $(hdrdir)/ruby/internal/attr/returns_nonnull.h
@@ -834,6 +838,7 @@ ossl_cipher.o: $(hdrdir)/ruby/internal/attr/noexcept.h
 ossl_cipher.o: $(hdrdir)/ruby/internal/attr/noinline.h
 ossl_cipher.o: $(hdrdir)/ruby/internal/attr/nonnull.h
 ossl_cipher.o: $(hdrdir)/ruby/internal/attr/noreturn.h
+ossl_cipher.o: $(hdrdir)/ruby/internal/attr/packed_struct.h
 ossl_cipher.o: $(hdrdir)/ruby/internal/attr/pure.h
 ossl_cipher.o: $(hdrdir)/ruby/internal/attr/restrict.h
 ossl_cipher.o: $(hdrdir)/ruby/internal/attr/returns_nonnull.h
@@ -1028,6 +1033,7 @@ ossl_config.o: $(hdrdir)/ruby/internal/attr/noexcept.h
 ossl_config.o: $(hdrdir)/ruby/internal/attr/noinline.h
 ossl_config.o: $(hdrdir)/ruby/internal/attr/nonnull.h
 ossl_config.o: $(hdrdir)/ruby/internal/attr/noreturn.h
+ossl_config.o: $(hdrdir)/ruby/internal/attr/packed_struct.h
 ossl_config.o: $(hdrdir)/ruby/internal/attr/pure.h
 ossl_config.o: $(hdrdir)/ruby/internal/attr/restrict.h
 ossl_config.o: $(hdrdir)/ruby/internal/attr/returns_nonnull.h
@@ -1222,6 +1228,7 @@ ossl_digest.o: $(hdrdir)/ruby/internal/attr/noexcept.h
 ossl_digest.o: $(hdrdir)/ruby/internal/attr/noinline.h
 ossl_digest.o: $(hdrdir)/ruby/internal/attr/nonnull.h
 ossl_digest.o: $(hdrdir)/ruby/internal/attr/noreturn.h
+ossl_digest.o: $(hdrdir)/ruby/internal/attr/packed_struct.h
 ossl_digest.o: $(hdrdir)/ruby/internal/attr/pure.h
 ossl_digest.o: $(hdrdir)/ruby/internal/attr/restrict.h
 ossl_digest.o: $(hdrdir)/ruby/internal/attr/returns_nonnull.h
@@ -1416,6 +1423,7 @@ ossl_engine.o: $(hdrdir)/ruby/internal/attr/noexcept.h
 ossl_engine.o: $(hdrdir)/ruby/internal/attr/noinline.h
 ossl_engine.o: $(hdrdir)/ruby/internal/attr/nonnull.h
 ossl_engine.o: $(hdrdir)/ruby/internal/attr/noreturn.h
+ossl_engine.o: $(hdrdir)/ruby/internal/attr/packed_struct.h
 ossl_engine.o: $(hdrdir)/ruby/internal/attr/pure.h
 ossl_engine.o: $(hdrdir)/ruby/internal/attr/restrict.h
 ossl_engine.o: $(hdrdir)/ruby/internal/attr/returns_nonnull.h
@@ -1610,6 +1618,7 @@ ossl_hmac.o: $(hdrdir)/ruby/internal/attr/noexcept.h
 ossl_hmac.o: $(hdrdir)/ruby/internal/attr/noinline.h
 ossl_hmac.o: $(hdrdir)/ruby/internal/attr/nonnull.h
 ossl_hmac.o: $(hdrdir)/ruby/internal/attr/noreturn.h
+ossl_hmac.o: $(hdrdir)/ruby/internal/attr/packed_struct.h
 ossl_hmac.o: $(hdrdir)/ruby/internal/attr/pure.h
 ossl_hmac.o: $(hdrdir)/ruby/internal/attr/restrict.h
 ossl_hmac.o: $(hdrdir)/ruby/internal/attr/returns_nonnull.h
@@ -1804,6 +1813,7 @@ ossl_kdf.o: $(hdrdir)/ruby/internal/attr/noexcept.h
 ossl_kdf.o: $(hdrdir)/ruby/internal/attr/noinline.h
 ossl_kdf.o: $(hdrdir)/ruby/internal/attr/nonnull.h
 ossl_kdf.o: $(hdrdir)/ruby/internal/attr/noreturn.h
+ossl_kdf.o: $(hdrdir)/ruby/internal/attr/packed_struct.h
 ossl_kdf.o: $(hdrdir)/ruby/internal/attr/pure.h
 ossl_kdf.o: $(hdrdir)/ruby/internal/attr/restrict.h
 ossl_kdf.o: $(hdrdir)/ruby/internal/attr/returns_nonnull.h
@@ -1998,6 +2008,7 @@ ossl_ns_spki.o: $(hdrdir)/ruby/internal/attr/noexcept.h
 ossl_ns_spki.o: $(hdrdir)/ruby/internal/attr/noinline.h
 ossl_ns_spki.o: $(hdrdir)/ruby/internal/attr/nonnull.h
 ossl_ns_spki.o: $(hdrdir)/ruby/internal/attr/noreturn.h
+ossl_ns_spki.o: $(hdrdir)/ruby/internal/attr/packed_struct.h
 ossl_ns_spki.o: $(hdrdir)/ruby/internal/attr/pure.h
 ossl_ns_spki.o: $(hdrdir)/ruby/internal/attr/restrict.h
 ossl_ns_spki.o: $(hdrdir)/ruby/internal/attr/returns_nonnull.h
@@ -2192,6 +2203,7 @@ ossl_ocsp.o: $(hdrdir)/ruby/internal/attr/noexcept.h
 ossl_ocsp.o: $(hdrdir)/ruby/internal/attr/noinline.h
 ossl_ocsp.o: $(hdrdir)/ruby/internal/attr/nonnull.h
 ossl_ocsp.o: $(hdrdir)/ruby/internal/attr/noreturn.h
+ossl_ocsp.o: $(hdrdir)/ruby/internal/attr/packed_struct.h
 ossl_ocsp.o: $(hdrdir)/ruby/internal/attr/pure.h
 ossl_ocsp.o: $(hdrdir)/ruby/internal/attr/restrict.h
 ossl_ocsp.o: $(hdrdir)/ruby/internal/attr/returns_nonnull.h
@@ -2386,6 +2398,7 @@ ossl_pkcs12.o: $(hdrdir)/ruby/internal/attr/noexcept.h
 ossl_pkcs12.o: $(hdrdir)/ruby/internal/attr/noinline.h
 ossl_pkcs12.o: $(hdrdir)/ruby/internal/attr/nonnull.h
 ossl_pkcs12.o: $(hdrdir)/ruby/internal/attr/noreturn.h
+ossl_pkcs12.o: $(hdrdir)/ruby/internal/attr/packed_struct.h
 ossl_pkcs12.o: $(hdrdir)/ruby/internal/attr/pure.h
 ossl_pkcs12.o: $(hdrdir)/ruby/internal/attr/restrict.h
 ossl_pkcs12.o: $(hdrdir)/ruby/internal/attr/returns_nonnull.h
@@ -2580,6 +2593,7 @@ ossl_pkcs7.o: $(hdrdir)/ruby/internal/attr/noexcept.h
 ossl_pkcs7.o: $(hdrdir)/ruby/internal/attr/noinline.h
 ossl_pkcs7.o: $(hdrdir)/ruby/internal/attr/nonnull.h
 ossl_pkcs7.o: $(hdrdir)/ruby/internal/attr/noreturn.h
+ossl_pkcs7.o: $(hdrdir)/ruby/internal/attr/packed_struct.h
 ossl_pkcs7.o: $(hdrdir)/ruby/internal/attr/pure.h
 ossl_pkcs7.o: $(hdrdir)/ruby/internal/attr/restrict.h
 ossl_pkcs7.o: $(hdrdir)/ruby/internal/attr/returns_nonnull.h
@@ -2774,6 +2788,7 @@ ossl_pkey.o: $(hdrdir)/ruby/internal/attr/noexcept.h
 ossl_pkey.o: $(hdrdir)/ruby/internal/attr/noinline.h
 ossl_pkey.o: $(hdrdir)/ruby/internal/attr/nonnull.h
 ossl_pkey.o: $(hdrdir)/ruby/internal/attr/noreturn.h
+ossl_pkey.o: $(hdrdir)/ruby/internal/attr/packed_struct.h
 ossl_pkey.o: $(hdrdir)/ruby/internal/attr/pure.h
 ossl_pkey.o: $(hdrdir)/ruby/internal/attr/restrict.h
 ossl_pkey.o: $(hdrdir)/ruby/internal/attr/returns_nonnull.h
@@ -2968,6 +2983,7 @@ ossl_pkey_dh.o: $(hdrdir)/ruby/internal/attr/noexcept.h
 ossl_pkey_dh.o: $(hdrdir)/ruby/internal/attr/noinline.h
 ossl_pkey_dh.o: $(hdrdir)/ruby/internal/attr/nonnull.h
 ossl_pkey_dh.o: $(hdrdir)/ruby/internal/attr/noreturn.h
+ossl_pkey_dh.o: $(hdrdir)/ruby/internal/attr/packed_struct.h
 ossl_pkey_dh.o: $(hdrdir)/ruby/internal/attr/pure.h
 ossl_pkey_dh.o: $(hdrdir)/ruby/internal/attr/restrict.h
 ossl_pkey_dh.o: $(hdrdir)/ruby/internal/attr/returns_nonnull.h
@@ -3162,6 +3178,7 @@ ossl_pkey_dsa.o: $(hdrdir)/ruby/internal/attr/noexcept.h
 ossl_pkey_dsa.o: $(hdrdir)/ruby/internal/attr/noinline.h
 ossl_pkey_dsa.o: $(hdrdir)/ruby/internal/attr/nonnull.h
 ossl_pkey_dsa.o: $(hdrdir)/ruby/internal/attr/noreturn.h
+ossl_pkey_dsa.o: $(hdrdir)/ruby/internal/attr/packed_struct.h
 ossl_pkey_dsa.o: $(hdrdir)/ruby/internal/attr/pure.h
 ossl_pkey_dsa.o: $(hdrdir)/ruby/internal/attr/restrict.h
 ossl_pkey_dsa.o: $(hdrdir)/ruby/internal/attr/returns_nonnull.h
@@ -3356,6 +3373,7 @@ ossl_pkey_ec.o: $(hdrdir)/ruby/internal/attr/noexcept.h
 ossl_pkey_ec.o: $(hdrdir)/ruby/internal/attr/noinline.h
 ossl_pkey_ec.o: $(hdrdir)/ruby/internal/attr/nonnull.h
 ossl_pkey_ec.o: $(hdrdir)/ruby/internal/attr/noreturn.h
+ossl_pkey_ec.o: $(hdrdir)/ruby/internal/attr/packed_struct.h
 ossl_pkey_ec.o: $(hdrdir)/ruby/internal/attr/pure.h
 ossl_pkey_ec.o: $(hdrdir)/ruby/internal/attr/restrict.h
 ossl_pkey_ec.o: $(hdrdir)/ruby/internal/attr/returns_nonnull.h
@@ -3550,6 +3568,7 @@ ossl_pkey_rsa.o: $(hdrdir)/ruby/internal/attr/noexcept.h
 ossl_pkey_rsa.o: $(hdrdir)/ruby/internal/attr/noinline.h
 ossl_pkey_rsa.o: $(hdrdir)/ruby/internal/attr/nonnull.h
 ossl_pkey_rsa.o: $(hdrdir)/ruby/internal/attr/noreturn.h
+ossl_pkey_rsa.o: $(hdrdir)/ruby/internal/attr/packed_struct.h
 ossl_pkey_rsa.o: $(hdrdir)/ruby/internal/attr/pure.h
 ossl_pkey_rsa.o: $(hdrdir)/ruby/internal/attr/restrict.h
 ossl_pkey_rsa.o: $(hdrdir)/ruby/internal/attr/returns_nonnull.h
@@ -3744,6 +3763,7 @@ ossl_rand.o: $(hdrdir)/ruby/internal/attr/noexcept.h
 ossl_rand.o: $(hdrdir)/ruby/internal/attr/noinline.h
 ossl_rand.o: $(hdrdir)/ruby/internal/attr/nonnull.h
 ossl_rand.o: $(hdrdir)/ruby/internal/attr/noreturn.h
+ossl_rand.o: $(hdrdir)/ruby/internal/attr/packed_struct.h
 ossl_rand.o: $(hdrdir)/ruby/internal/attr/pure.h
 ossl_rand.o: $(hdrdir)/ruby/internal/attr/restrict.h
 ossl_rand.o: $(hdrdir)/ruby/internal/attr/returns_nonnull.h
@@ -3938,6 +3958,7 @@ ossl_ssl.o: $(hdrdir)/ruby/internal/attr/noexcept.h
 ossl_ssl.o: $(hdrdir)/ruby/internal/attr/noinline.h
 ossl_ssl.o: $(hdrdir)/ruby/internal/attr/nonnull.h
 ossl_ssl.o: $(hdrdir)/ruby/internal/attr/noreturn.h
+ossl_ssl.o: $(hdrdir)/ruby/internal/attr/packed_struct.h
 ossl_ssl.o: $(hdrdir)/ruby/internal/attr/pure.h
 ossl_ssl.o: $(hdrdir)/ruby/internal/attr/restrict.h
 ossl_ssl.o: $(hdrdir)/ruby/internal/attr/returns_nonnull.h
@@ -4132,6 +4153,7 @@ ossl_ssl_session.o: $(hdrdir)/ruby/internal/attr/noexcept.h
 ossl_ssl_session.o: $(hdrdir)/ruby/internal/attr/noinline.h
 ossl_ssl_session.o: $(hdrdir)/ruby/internal/attr/nonnull.h
 ossl_ssl_session.o: $(hdrdir)/ruby/internal/attr/noreturn.h
+ossl_ssl_session.o: $(hdrdir)/ruby/internal/attr/packed_struct.h
 ossl_ssl_session.o: $(hdrdir)/ruby/internal/attr/pure.h
 ossl_ssl_session.o: $(hdrdir)/ruby/internal/attr/restrict.h
 ossl_ssl_session.o: $(hdrdir)/ruby/internal/attr/returns_nonnull.h
@@ -4326,6 +4348,7 @@ ossl_ts.o: $(hdrdir)/ruby/internal/attr/noexcept.h
 ossl_ts.o: $(hdrdir)/ruby/internal/attr/noinline.h
 ossl_ts.o: $(hdrdir)/ruby/internal/attr/nonnull.h
 ossl_ts.o: $(hdrdir)/ruby/internal/attr/noreturn.h
+ossl_ts.o: $(hdrdir)/ruby/internal/attr/packed_struct.h
 ossl_ts.o: $(hdrdir)/ruby/internal/attr/pure.h
 ossl_ts.o: $(hdrdir)/ruby/internal/attr/restrict.h
 ossl_ts.o: $(hdrdir)/ruby/internal/attr/returns_nonnull.h
@@ -4520,6 +4543,7 @@ ossl_x509.o: $(hdrdir)/ruby/internal/attr/noexcept.h
 ossl_x509.o: $(hdrdir)/ruby/internal/attr/noinline.h
 ossl_x509.o: $(hdrdir)/ruby/internal/attr/nonnull.h
 ossl_x509.o: $(hdrdir)/ruby/internal/attr/noreturn.h
+ossl_x509.o: $(hdrdir)/ruby/internal/attr/packed_struct.h
 ossl_x509.o: $(hdrdir)/ruby/internal/attr/pure.h
 ossl_x509.o: $(hdrdir)/ruby/internal/attr/restrict.h
 ossl_x509.o: $(hdrdir)/ruby/internal/attr/returns_nonnull.h
@@ -4714,6 +4738,7 @@ ossl_x509attr.o: $(hdrdir)/ruby/internal/attr/noexcept.h
 ossl_x509attr.o: $(hdrdir)/ruby/internal/attr/noinline.h
 ossl_x509attr.o: $(hdrdir)/ruby/internal/attr/nonnull.h
 ossl_x509attr.o: $(hdrdir)/ruby/internal/attr/noreturn.h
+ossl_x509attr.o: $(hdrdir)/ruby/internal/attr/packed_struct.h
 ossl_x509attr.o: $(hdrdir)/ruby/internal/attr/pure.h
 ossl_x509attr.o: $(hdrdir)/ruby/internal/attr/restrict.h
 ossl_x509attr.o: $(hdrdir)/ruby/internal/attr/returns_nonnull.h
@@ -4908,6 +4933,7 @@ ossl_x509cert.o: $(hdrdir)/ruby/internal/attr/noexcept.h
 ossl_x509cert.o: $(hdrdir)/ruby/internal/attr/noinline.h
 ossl_x509cert.o: $(hdrdir)/ruby/internal/attr/nonnull.h
 ossl_x509cert.o: $(hdrdir)/ruby/internal/attr/noreturn.h
+ossl_x509cert.o: $(hdrdir)/ruby/internal/attr/packed_struct.h
 ossl_x509cert.o: $(hdrdir)/ruby/internal/attr/pure.h
 ossl_x509cert.o: $(hdrdir)/ruby/internal/attr/restrict.h
 ossl_x509cert.o: $(hdrdir)/ruby/internal/attr/returns_nonnull.h
@@ -5102,6 +5128,7 @@ ossl_x509crl.o: $(hdrdir)/ruby/internal/attr/noexcept.h
 ossl_x509crl.o: $(hdrdir)/ruby/internal/attr/noinline.h
 ossl_x509crl.o: $(hdrdir)/ruby/internal/attr/nonnull.h
 ossl_x509crl.o: $(hdrdir)/ruby/internal/attr/noreturn.h
+ossl_x509crl.o: $(hdrdir)/ruby/internal/attr/packed_struct.h
 ossl_x509crl.o: $(hdrdir)/ruby/internal/attr/pure.h
 ossl_x509crl.o: $(hdrdir)/ruby/internal/attr/restrict.h
 ossl_x509crl.o: $(hdrdir)/ruby/internal/attr/returns_nonnull.h
@@ -5296,6 +5323,7 @@ ossl_x509ext.o: $(hdrdir)/ruby/internal/attr/noexcept.h
 ossl_x509ext.o: $(hdrdir)/ruby/internal/attr/noinline.h
 ossl_x509ext.o: $(hdrdir)/ruby/internal/attr/nonnull.h
 ossl_x509ext.o: $(hdrdir)/ruby/internal/attr/noreturn.h
+ossl_x509ext.o: $(hdrdir)/ruby/internal/attr/packed_struct.h
 ossl_x509ext.o: $(hdrdir)/ruby/internal/attr/pure.h
 ossl_x509ext.o: $(hdrdir)/ruby/internal/attr/restrict.h
 ossl_x509ext.o: $(hdrdir)/ruby/internal/attr/returns_nonnull.h
@@ -5490,6 +5518,7 @@ ossl_x509name.o: $(hdrdir)/ruby/internal/attr/noexcept.h
 ossl_x509name.o: $(hdrdir)/ruby/internal/attr/noinline.h
 ossl_x509name.o: $(hdrdir)/ruby/internal/attr/nonnull.h
 ossl_x509name.o: $(hdrdir)/ruby/internal/attr/noreturn.h
+ossl_x509name.o: $(hdrdir)/ruby/internal/attr/packed_struct.h
 ossl_x509name.o: $(hdrdir)/ruby/internal/attr/pure.h
 ossl_x509name.o: $(hdrdir)/ruby/internal/attr/restrict.h
 ossl_x509name.o: $(hdrdir)/ruby/internal/attr/returns_nonnull.h
@@ -5684,6 +5713,7 @@ ossl_x509req.o: $(hdrdir)/ruby/internal/attr/noexcept.h
 ossl_x509req.o: $(hdrdir)/ruby/internal/attr/noinline.h
 ossl_x509req.o: $(hdrdir)/ruby/internal/attr/nonnull.h
 ossl_x509req.o: $(hdrdir)/ruby/internal/attr/noreturn.h
+ossl_x509req.o: $(hdrdir)/ruby/internal/attr/packed_struct.h
 ossl_x509req.o: $(hdrdir)/ruby/internal/attr/pure.h
 ossl_x509req.o: $(hdrdir)/ruby/internal/attr/restrict.h
 ossl_x509req.o: $(hdrdir)/ruby/internal/attr/returns_nonnull.h
@@ -5878,6 +5908,7 @@ ossl_x509revoked.o: $(hdrdir)/ruby/internal/attr/noexcept.h
 ossl_x509revoked.o: $(hdrdir)/ruby/internal/attr/noinline.h
 ossl_x509revoked.o: $(hdrdir)/ruby/internal/attr/nonnull.h
 ossl_x509revoked.o: $(hdrdir)/ruby/internal/attr/noreturn.h
+ossl_x509revoked.o: $(hdrdir)/ruby/internal/attr/packed_struct.h
 ossl_x509revoked.o: $(hdrdir)/ruby/internal/attr/pure.h
 ossl_x509revoked.o: $(hdrdir)/ruby/internal/attr/restrict.h
 ossl_x509revoked.o: $(hdrdir)/ruby/internal/attr/returns_nonnull.h
@@ -6072,6 +6103,7 @@ ossl_x509store.o: $(hdrdir)/ruby/internal/attr/noexcept.h
 ossl_x509store.o: $(hdrdir)/ruby/internal/attr/noinline.h
 ossl_x509store.o: $(hdrdir)/ruby/internal/attr/nonnull.h
 ossl_x509store.o: $(hdrdir)/ruby/internal/attr/noreturn.h
+ossl_x509store.o: $(hdrdir)/ruby/internal/attr/packed_struct.h
 ossl_x509store.o: $(hdrdir)/ruby/internal/attr/pure.h
 ossl_x509store.o: $(hdrdir)/ruby/internal/attr/restrict.h
 ossl_x509store.o: $(hdrdir)/ruby/internal/attr/returns_nonnull.h

ext/pathname/depend

@@ -53,6 +53,7 @@ pathname.o: $(hdrdir)/ruby/internal/attr/noexcept.h
 pathname.o: $(hdrdir)/ruby/internal/attr/noinline.h
 pathname.o: $(hdrdir)/ruby/internal/attr/nonnull.h
 pathname.o: $(hdrdir)/ruby/internal/attr/noreturn.h
+pathname.o: $(hdrdir)/ruby/internal/attr/packed_struct.h
 pathname.o: $(hdrdir)/ruby/internal/attr/pure.h
 pathname.o: $(hdrdir)/ruby/internal/attr/restrict.h
 pathname.o: $(hdrdir)/ruby/internal/attr/returns_nonnull.h

ext/psych/depend

@@ -67,6 +67,7 @@ psych.o: $(hdrdir)/ruby/internal/attr/noexcept.h
 psych.o: $(hdrdir)/ruby/internal/attr/noinline.h
 psych.o: $(hdrdir)/ruby/internal/attr/nonnull.h
 psych.o: $(hdrdir)/ruby/internal/attr/noreturn.h
+psych.o: $(hdrdir)/ruby/internal/attr/packed_struct.h
 psych.o: $(hdrdir)/ruby/internal/attr/pure.h
 psych.o: $(hdrdir)/ruby/internal/attr/restrict.h
 psych.o: $(hdrdir)/ruby/internal/attr/returns_nonnull.h
@@ -244,6 +245,7 @@ psych_emitter.o: $(hdrdir)/ruby/internal/attr/noexcept.h
 psych_emitter.o: $(hdrdir)/ruby/internal/attr/noinline.h
 psych_emitter.o: $(hdrdir)/ruby/internal/attr/nonnull.h
 psych_emitter.o: $(hdrdir)/ruby/internal/attr/noreturn.h
+psych_emitter.o: $(hdrdir)/ruby/internal/attr/packed_struct.h
 psych_emitter.o: $(hdrdir)/ruby/internal/attr/pure.h
 psych_emitter.o: $(hdrdir)/ruby/internal/attr/restrict.h
 psych_emitter.o: $(hdrdir)/ruby/internal/attr/returns_nonnull.h
@@ -421,6 +423,7 @@ psych_parser.o: $(hdrdir)/ruby/internal/attr/noexcept.h
 psych_parser.o: $(hdrdir)/ruby/internal/attr/noinline.h
 psych_parser.o: $(hdrdir)/ruby/internal/attr/nonnull.h
 psych_parser.o: $(hdrdir)/ruby/internal/attr/noreturn.h
+psych_parser.o: $(hdrdir)/ruby/internal/attr/packed_struct.h
 psych_parser.o: $(hdrdir)/ruby/internal/attr/pure.h
 psych_parser.o: $(hdrdir)/ruby/internal/attr/restrict.h
 psych_parser.o: $(hdrdir)/ruby/internal/attr/returns_nonnull.h
@@ -598,6 +601,7 @@ psych_to_ruby.o: $(hdrdir)/ruby/internal/attr/noexcept.h
 psych_to_ruby.o: $(hdrdir)/ruby/internal/attr/noinline.h
 psych_to_ruby.o: $(hdrdir)/ruby/internal/attr/nonnull.h
 psych_to_ruby.o: $(hdrdir)/ruby/internal/attr/noreturn.h
+psych_to_ruby.o: $(hdrdir)/ruby/internal/attr/packed_struct.h
 psych_to_ruby.o: $(hdrdir)/ruby/internal/attr/pure.h
 psych_to_ruby.o: $(hdrdir)/ruby/internal/attr/restrict.h
 psych_to_ruby.o: $(hdrdir)/ruby/internal/attr/returns_nonnull.h
@@ -775,6 +779,7 @@ psych_yaml_tree.o: $(hdrdir)/ruby/internal/attr/noexcept.h
 psych_yaml_tree.o: $(hdrdir)/ruby/internal/attr/noinline.h
 psych_yaml_tree.o: $(hdrdir)/ruby/internal/attr/nonnull.h
 psych_yaml_tree.o: $(hdrdir)/ruby/internal/attr/noreturn.h
+psych_yaml_tree.o: $(hdrdir)/ruby/internal/attr/packed_struct.h
 psych_yaml_tree.o: $(hdrdir)/ruby/internal/attr/pure.h
 psych_yaml_tree.o: $(hdrdir)/ruby/internal/attr/restrict.h
 psych_yaml_tree.o: $(hdrdir)/ruby/internal/attr/returns_nonnull.h

ext/pty/depend

@@ -53,6 +53,7 @@ pty.o: $(hdrdir)/ruby/internal/attr/noexcept.h
 pty.o: $(hdrdir)/ruby/internal/attr/noinline.h
 pty.o: $(hdrdir)/ruby/internal/attr/nonnull.h
 pty.o: $(hdrdir)/ruby/internal/attr/noreturn.h
+pty.o: $(hdrdir)/ruby/internal/attr/packed_struct.h
 pty.o: $(hdrdir)/ruby/internal/attr/pure.h
 pty.o: $(hdrdir)/ruby/internal/attr/restrict.h
 pty.o: $(hdrdir)/ruby/internal/attr/returns_nonnull.h

ext/racc/cparse/depend

@@ -52,6 +52,7 @@ cparse.o: $(hdrdir)/ruby/internal/attr/noexcept.h
 cparse.o: $(hdrdir)/ruby/internal/attr/noinline.h
 cparse.o: $(hdrdir)/ruby/internal/attr/nonnull.h
 cparse.o: $(hdrdir)/ruby/internal/attr/noreturn.h
+cparse.o: $(hdrdir)/ruby/internal/attr/packed_struct.h
 cparse.o: $(hdrdir)/ruby/internal/attr/pure.h
 cparse.o: $(hdrdir)/ruby/internal/attr/restrict.h
 cparse.o: $(hdrdir)/ruby/internal/attr/returns_nonnull.h

ext/rbconfig/sizeof/depend

@@ -66,6 +66,7 @@ limits.o: $(hdrdir)/ruby/internal/attr/noexcept.h
 limits.o: $(hdrdir)/ruby/internal/attr/noinline.h
 limits.o: $(hdrdir)/ruby/internal/attr/nonnull.h
 limits.o: $(hdrdir)/ruby/internal/attr/noreturn.h
+limits.o: $(hdrdir)/ruby/internal/attr/packed_struct.h
 limits.o: $(hdrdir)/ruby/internal/attr/pure.h
 limits.o: $(hdrdir)/ruby/internal/attr/restrict.h
 limits.o: $(hdrdir)/ruby/internal/attr/returns_nonnull.h
@@ -225,6 +226,7 @@ sizes.o: $(hdrdir)/ruby/internal/attr/noexcept.h
 sizes.o: $(hdrdir)/ruby/internal/attr/noinline.h
 sizes.o: $(hdrdir)/ruby/internal/attr/nonnull.h
 sizes.o: $(hdrdir)/ruby/internal/attr/noreturn.h
+sizes.o: $(hdrdir)/ruby/internal/attr/packed_struct.h
 sizes.o: $(hdrdir)/ruby/internal/attr/pure.h
 sizes.o: $(hdrdir)/ruby/internal/attr/restrict.h
 sizes.o: $(hdrdir)/ruby/internal/attr/returns_nonnull.h

ext/readline/depend

@@ -52,6 +52,7 @@ readline.o: $(hdrdir)/ruby/internal/attr/noexcept.h
 readline.o: $(hdrdir)/ruby/internal/attr/noinline.h
 readline.o: $(hdrdir)/ruby/internal/attr/nonnull.h
 readline.o: $(hdrdir)/ruby/internal/attr/noreturn.h
+readline.o: $(hdrdir)/ruby/internal/attr/packed_struct.h
 readline.o: $(hdrdir)/ruby/internal/attr/pure.h
 readline.o: $(hdrdir)/ruby/internal/attr/restrict.h
 readline.o: $(hdrdir)/ruby/internal/attr/returns_nonnull.h

ext/ripper/depend

@@ -101,6 +101,7 @@ ripper.o: $(hdrdir)/ruby/internal/attr/noexcept.h
 ripper.o: $(hdrdir)/ruby/internal/attr/noinline.h
 ripper.o: $(hdrdir)/ruby/internal/attr/nonnull.h
 ripper.o: $(hdrdir)/ruby/internal/attr/noreturn.h
+ripper.o: $(hdrdir)/ruby/internal/attr/packed_struct.h
 ripper.o: $(hdrdir)/ruby/internal/attr/pure.h
 ripper.o: $(hdrdir)/ruby/internal/attr/restrict.h
 ripper.o: $(hdrdir)/ruby/internal/attr/returns_nonnull.h

ext/socket/depend

@@ -65,6 +65,7 @@ ancdata.o: $(hdrdir)/ruby/internal/attr/noexcept.h
 ancdata.o: $(hdrdir)/ruby/internal/attr/noinline.h
 ancdata.o: $(hdrdir)/ruby/internal/attr/nonnull.h
 ancdata.o: $(hdrdir)/ruby/internal/attr/noreturn.h
+ancdata.o: $(hdrdir)/ruby/internal/attr/packed_struct.h
 ancdata.o: $(hdrdir)/ruby/internal/attr/pure.h
 ancdata.o: $(hdrdir)/ruby/internal/attr/restrict.h
 ancdata.o: $(hdrdir)/ruby/internal/attr/returns_nonnull.h
@@ -257,6 +258,7 @@ basicsocket.o: $(hdrdir)/ruby/internal/attr/noexcept.h
 basicsocket.o: $(hdrdir)/ruby/internal/attr/noinline.h
 basicsocket.o: $(hdrdir)/ruby/internal/attr/nonnull.h
 basicsocket.o: $(hdrdir)/ruby/internal/attr/noreturn.h
+basicsocket.o: $(hdrdir)/ruby/internal/attr/packed_struct.h
 basicsocket.o: $(hdrdir)/ruby/internal/attr/pure.h
 basicsocket.o: $(hdrdir)/ruby/internal/attr/restrict.h
 basicsocket.o: $(hdrdir)/ruby/internal/attr/returns_nonnull.h
@@ -449,6 +451,7 @@ constants.o: $(hdrdir)/ruby/internal/attr/noexcept.h
 constants.o: $(hdrdir)/ruby/internal/attr/noinline.h
 constants.o: $(hdrdir)/ruby/internal/attr/nonnull.h
 constants.o: $(hdrdir)/ruby/internal/attr/noreturn.h
+constants.o: $(hdrdir)/ruby/internal/attr/packed_struct.h
 constants.o: $(hdrdir)/ruby/internal/attr/pure.h
 constants.o: $(hdrdir)/ruby/internal/attr/restrict.h
 constants.o: $(hdrdir)/ruby/internal/attr/returns_nonnull.h
@@ -642,6 +645,7 @@ ifaddr.o: $(hdrdir)/ruby/internal/attr/noexcept.h
 ifaddr.o: $(hdrdir)/ruby/internal/attr/noinline.h
 ifaddr.o: $(hdrdir)/ruby/internal/attr/nonnull.h
 ifaddr.o: $(hdrdir)/ruby/internal/attr/noreturn.h
+ifaddr.o: $(hdrdir)/ruby/internal/attr/packed_struct.h
 ifaddr.o: $(hdrdir)/ruby/internal/attr/pure.h
 ifaddr.o: $(hdrdir)/ruby/internal/attr/restrict.h
 ifaddr.o: $(hdrdir)/ruby/internal/attr/returns_nonnull.h
@@ -834,6 +838,7 @@ init.o: $(hdrdir)/ruby/internal/attr/noexcept.h
 init.o: $(hdrdir)/ruby/internal/attr/noinline.h
 init.o: $(hdrdir)/ruby/internal/attr/nonnull.h
 init.o: $(hdrdir)/ruby/internal/attr/noreturn.h
+init.o: $(hdrdir)/ruby/internal/attr/packed_struct.h
 init.o: $(hdrdir)/ruby/internal/attr/pure.h
 init.o: $(hdrdir)/ruby/internal/attr/restrict.h
 init.o: $(hdrdir)/ruby/internal/attr/returns_nonnull.h
@@ -1026,6 +1031,7 @@ ipsocket.o: $(hdrdir)/ruby/internal/attr/noexcept.h
 ipsocket.o: $(hdrdir)/ruby/internal/attr/noinline.h
 ipsocket.o: $(hdrdir)/ruby/internal/attr/nonnull.h
 ipsocket.o: $(hdrdir)/ruby/internal/attr/noreturn.h
+ipsocket.o: $(hdrdir)/ruby/internal/attr/packed_struct.h
 ipsocket.o: $(hdrdir)/ruby/internal/attr/pure.h
 ipsocket.o: $(hdrdir)/ruby/internal/attr/restrict.h
 ipsocket.o: $(hdrdir)/ruby/internal/attr/returns_nonnull.h
@@ -1218,6 +1224,7 @@ option.o: $(hdrdir)/ruby/internal/attr/noexcept.h
 option.o: $(hdrdir)/ruby/internal/attr/noinline.h
 option.o: $(hdrdir)/ruby/internal/attr/nonnull.h
 option.o: $(hdrdir)/ruby/internal/attr/noreturn.h
+option.o: $(hdrdir)/ruby/internal/attr/packed_struct.h
 option.o: $(hdrdir)/ruby/internal/attr/pure.h
 option.o: $(hdrdir)/ruby/internal/attr/restrict.h
 option.o: $(hdrdir)/ruby/internal/attr/returns_nonnull.h
@@ -1410,6 +1417,7 @@ raddrinfo.o: $(hdrdir)/ruby/internal/attr/noexcept.h
 raddrinfo.o: $(hdrdir)/ruby/internal/attr/noinline.h
 raddrinfo.o: $(hdrdir)/ruby/internal/attr/nonnull.h
 raddrinfo.o: $(hdrdir)/ruby/internal/attr/noreturn.h
+raddrinfo.o: $(hdrdir)/ruby/internal/attr/packed_struct.h
 raddrinfo.o: $(hdrdir)/ruby/internal/attr/pure.h
 raddrinfo.o: $(hdrdir)/ruby/internal/attr/restrict.h
 raddrinfo.o: $(hdrdir)/ruby/internal/attr/returns_nonnull.h
@@ -1602,6 +1610,7 @@ socket.o: $(hdrdir)/ruby/internal/attr/noexcept.h
 socket.o: $(hdrdir)/ruby/internal/attr/noinline.h
 socket.o: $(hdrdir)/ruby/internal/attr/nonnull.h
 socket.o: $(hdrdir)/ruby/internal/attr/noreturn.h
+socket.o: $(hdrdir)/ruby/internal/attr/packed_struct.h
 socket.o: $(hdrdir)/ruby/internal/attr/pure.h
 socket.o: $(hdrdir)/ruby/internal/attr/restrict.h
 socket.o: $(hdrdir)/ruby/internal/attr/returns_nonnull.h
@@ -1794,6 +1803,7 @@ sockssocket.o: $(hdrdir)/ruby/internal/attr/noexcept.h
 sockssocket.o: $(hdrdir)/ruby/internal/attr/noinline.h
 sockssocket.o: $(hdrdir)/ruby/internal/attr/nonnull.h
 sockssocket.o: $(hdrdir)/ruby/internal/attr/noreturn.h
+sockssocket.o: $(hdrdir)/ruby/internal/attr/packed_struct.h
 sockssocket.o: $(hdrdir)/ruby/internal/attr/pure.h
 sockssocket.o: $(hdrdir)/ruby/internal/attr/restrict.h
 sockssocket.o: $(hdrdir)/ruby/internal/attr/returns_nonnull.h
@@ -1986,6 +1996,7 @@ tcpserver.o: $(hdrdir)/ruby/internal/attr/noexcept.h
 tcpserver.o: $(hdrdir)/ruby/internal/attr/noinline.h
 tcpserver.o: $(hdrdir)/ruby/internal/attr/nonnull.h
 tcpserver.o: $(hdrdir)/ruby/internal/attr/noreturn.h
+tcpserver.o: $(hdrdir)/ruby/internal/attr/packed_struct.h
 tcpserver.o: $(hdrdir)/ruby/internal/attr/pure.h
 tcpserver.o: $(hdrdir)/ruby/internal/attr/restrict.h
 tcpserver.o: $(hdrdir)/ruby/internal/attr/returns_nonnull.h
@@ -2178,6 +2189,7 @@ tcpsocket.o: $(hdrdir)/ruby/internal/attr/noexcept.h
 tcpsocket.o: $(hdrdir)/ruby/internal/attr/noinline.h
 tcpsocket.o: $(hdrdir)/ruby/internal/attr/nonnull.h
 tcpsocket.o: $(hdrdir)/ruby/internal/attr/noreturn.h
+tcpsocket.o: $(hdrdir)/ruby/internal/attr/packed_struct.h
 tcpsocket.o: $(hdrdir)/ruby/internal/attr/pure.h
 tcpsocket.o: $(hdrdir)/ruby/internal/attr/restrict.h
 tcpsocket.o: $(hdrdir)/ruby/internal/attr/returns_nonnull.h
@@ -2370,6 +2382,7 @@ udpsocket.o: $(hdrdir)/ruby/internal/attr/noexcept.h
 udpsocket.o: $(hdrdir)/ruby/internal/attr/noinline.h
 udpsocket.o: $(hdrdir)/ruby/internal/attr/nonnull.h
 udpsocket.o: $(hdrdir)/ruby/internal/attr/noreturn.h
+udpsocket.o: $(hdrdir)/ruby/internal/attr/packed_struct.h
 udpsocket.o: $(hdrdir)/ruby/internal/attr/pure.h
 udpsocket.o: $(hdrdir)/ruby/internal/attr/restrict.h
 udpsocket.o: $(hdrdir)/ruby/internal/attr/returns_nonnull.h
@@ -2562,6 +2575,7 @@ unixserver.o: $(hdrdir)/ruby/internal/attr/noexcept.h
 unixserver.o: $(hdrdir)/ruby/internal/attr/noinline.h
 unixserver.o: $(hdrdir)/ruby/internal/attr/nonnull.h
 unixserver.o: $(hdrdir)/ruby/internal/attr/noreturn.h
+unixserver.o: $(hdrdir)/ruby/internal/attr/packed_struct.h
 unixserver.o: $(hdrdir)/ruby/internal/attr/pure.h
 unixserver.o: $(hdrdir)/ruby/internal/attr/restrict.h
 unixserver.o: $(hdrdir)/ruby/internal/attr/returns_nonnull.h
@@ -2754,6 +2768,7 @@ unixsocket.o: $(hdrdir)/ruby/internal/attr/noexcept.h
 unixsocket.o: $(hdrdir)/ruby/internal/attr/noinline.h
 unixsocket.o: $(hdrdir)/ruby/internal/attr/nonnull.h
 unixsocket.o: $(hdrdir)/ruby/internal/attr/noreturn.h
+unixsocket.o: $(hdrdir)/ruby/internal/attr/packed_struct.h
 unixsocket.o: $(hdrdir)/ruby/internal/attr/pure.h
 unixsocket.o: $(hdrdir)/ruby/internal/attr/restrict.h
 unixsocket.o: $(hdrdir)/ruby/internal/attr/returns_nonnull.h

ext/stringio/depend

@@ -53,6 +53,7 @@ stringio.o: $(hdrdir)/ruby/internal/attr/noexcept.h
 stringio.o: $(hdrdir)/ruby/internal/attr/noinline.h
 stringio.o: $(hdrdir)/ruby/internal/attr/nonnull.h
 stringio.o: $(hdrdir)/ruby/internal/attr/noreturn.h
+stringio.o: $(hdrdir)/ruby/internal/attr/packed_struct.h
 stringio.o: $(hdrdir)/ruby/internal/attr/pure.h
 stringio.o: $(hdrdir)/ruby/internal/attr/restrict.h
 stringio.o: $(hdrdir)/ruby/internal/attr/returns_nonnull.h

ext/strscan/depend

@@ -52,6 +52,7 @@ strscan.o: $(hdrdir)/ruby/internal/attr/noexcept.h
 strscan.o: $(hdrdir)/ruby/internal/attr/noinline.h
 strscan.o: $(hdrdir)/ruby/internal/attr/nonnull.h
 strscan.o: $(hdrdir)/ruby/internal/attr/noreturn.h
+strscan.o: $(hdrdir)/ruby/internal/attr/packed_struct.h
 strscan.o: $(hdrdir)/ruby/internal/attr/pure.h
 strscan.o: $(hdrdir)/ruby/internal/attr/restrict.h
 strscan.o: $(hdrdir)/ruby/internal/attr/returns_nonnull.h

ext/syslog/depend

@@ -51,6 +51,7 @@ syslog.o: $(hdrdir)/ruby/internal/attr/noexcept.h
 syslog.o: $(hdrdir)/ruby/internal/attr/noinline.h
 syslog.o: $(hdrdir)/ruby/internal/attr/nonnull.h
 syslog.o: $(hdrdir)/ruby/internal/attr/noreturn.h
+syslog.o: $(hdrdir)/ruby/internal/attr/packed_struct.h
 syslog.o: $(hdrdir)/ruby/internal/attr/pure.h
 syslog.o: $(hdrdir)/ruby/internal/attr/restrict.h
 syslog.o: $(hdrdir)/ruby/internal/attr/returns_nonnull.h

ext/zlib/depend

@@ -53,6 +53,7 @@ zlib.o: $(hdrdir)/ruby/internal/attr/noexcept.h
 zlib.o: $(hdrdir)/ruby/internal/attr/noinline.h
 zlib.o: $(hdrdir)/ruby/internal/attr/nonnull.h
 zlib.o: $(hdrdir)/ruby/internal/attr/noreturn.h
+zlib.o: $(hdrdir)/ruby/internal/attr/packed_struct.h
 zlib.o: $(hdrdir)/ruby/internal/attr/pure.h
 zlib.o: $(hdrdir)/ruby/internal/attr/restrict.h
 zlib.o: $(hdrdir)/ruby/internal/attr/returns_nonnull.h

include/ruby/backward/2/attributes.h

@@ -39,6 +39,7 @@
 #include "ruby/internal/attr/noinline.h"
 #include "ruby/internal/attr/nonnull.h"
 #include "ruby/internal/attr/noreturn.h"
+#include "ruby/internal/attr/packed_struct.h"
 #include "ruby/internal/attr/pure.h"
 #include "ruby/internal/attr/restrict.h"
 #include "ruby/internal/attr/returns_nonnull.h"
@@ -147,17 +148,14 @@
 #define NORETURN(x) RBIMPL_ATTR_NORETURN() x
 #define NORETURN_STYLE_NEW
 
-#ifndef PACKED_STRUCT
+#undef PACKED_STRUCT
-# define PACKED_STRUCT(x) x
+#define PACKED_STRUCT(x) \
-#endif
+    RBIMPL_ATTR_PACKED_STRUCT_BEGIN() x RBIMPL_ATTR_PACKED_STRUCT_END()
 
-#ifndef PACKED_STRUCT_UNALIGNED
+#undef PACKED_STRUCT_UNALIGNED
-# if UNALIGNED_WORD_ACCESS
+#define PACKED_STRUCT_UNALIGNED(x) \
-#   define PACKED_STRUCT_UNALIGNED(x) PACKED_STRUCT(x)
+    RBIMPL_ATTR_PACKED_STRUCT_UNALIGNED_BEGIN() x \
-# else
+    RBIMPL_ATTR_PACKED_STRUCT_UNALIGNED_END()
-#   define PACKED_STRUCT_UNALIGNED(x) x
-# endif
-#endif
 
 #undef RB_UNUSED_VAR
 #define RB_UNUSED_VAR(x) x RBIMPL_ATTR_MAYBE_UNUSED()

include/ruby/internal/attr/packed_struct.h

@@ -0,0 +1,43 @@
+#ifndef RBIMPL_ATTR_PACKED_STRUCT_H                 /*-*-C++-*-vi:se ft=cpp:*/
+#define RBIMPL_ATTR_PACKED_STRUCT_H
+/**
+ * @file
+ * @author     Ruby developers <ruby-core@ruby-lang.org>
+ * @copyright  This  file  is   a  part  of  the   programming  language  Ruby.
+ *             Permission  is hereby  granted,  to  either redistribute  and/or
+ *             modify this file, provided that  the conditions mentioned in the
+ *             file COPYING are met.  Consult the file for details.
+ * @warning    Symbols   prefixed  with   either  `RBIMPL`   or  `rbimpl`   are
+ *             implementation details.   Don't take  them as canon.  They could
+ *             rapidly appear then vanish.  The name (path) of this header file
+ *             is also an  implementation detail.  Do not expect  it to persist
+ *             at the place it is now.  Developers are free to move it anywhere
+ *             anytime at will.
+ * @note       To  ruby-core:  remember  that   this  header  can  be  possibly
+ *             recursively included  from extension  libraries written  in C++.
+ *             Do not  expect for  instance `__VA_ARGS__` is  always available.
+ *             We assume C99  for ruby itself but we don't  assume languages of
+ *             extension libraries.  They could be written in C++98.
+ * @brief      Defines #RBIMPL_ATTR_PACKED_STRUCT_BEGIN,
+ *             #RBIMPL_ATTR_PACKED_STRUCT_END,
+ *             #RBIMPL_ATTR_PACKED_STRUCT_UNALIGNED_BEGIN, and
+ *             #RBIMPL_ATTR_PACKED_STRUCT_UNALIGNED_END.
+ */
+#include "ruby/internal/config.h"
+
+#ifndef RBIMPL_ATTR_PACKED_STRUCT_BEGIN
+# define RBIMPL_ATTR_PACKED_STRUCT_BEGIN() /* void */
+#endif
+#ifndef RBIMPL_ATTR_PACKED_STRUCT_END
+# define RBIMPL_ATTR_PACKED_STRUCT_END() /* void */
+#endif
+
+#if UNALIGNED_WORD_ACCESS
+# define RBIMPL_ATTR_PACKED_STRUCT_UNALIGNED_BEGIN() RBIMPL_ATTR_PACKED_STRUCT_BEGIN()
+# define RBIMPL_ATTR_PACKED_STRUCT_UNALIGNED_END() RBIMPL_ATTR_PACKED_STRUCT_END()
+#else
+# define RBIMPL_ATTR_PACKED_STRUCT_UNALIGNED_BEGIN() /* void */
+# define RBIMPL_ATTR_PACKED_STRUCT_UNALIGNED_END() /* void */
+#endif
+
+#endif

win32/Makefile.sub

@@ -734,14 +734,8 @@ $(CONFIG_H): $(MKFILES) $(srcdir)/win32/Makefile.sub $(win_srcdir)/Makefile.sub
 #define FUNC_FASTCALL(x) __fastcall x
 !if $(MSC_VER) >= 1500
 #define RUBY_FUNCTION_NAME_STRING __FUNCTION__
-#define PACKED_STRUCT(x) __pragma(pack(push, 1)) x __pragma(pack(pop))
+#define RBIMPL_ATTR_PACKED_STRUCT_BEGIN() __pragma(pack(push, 1))
-!else
+#define RBIMPL_ATTR_PACKED_STRUCT_END() __pragma(pack(pop))
-#define PACKED_STRUCT(x) x
-!endif
-!if "$(MACHINE)" == "x86" || "$(ARCH)" == "x64"
-#define PACKED_STRUCT_UNALIGNED(x) PACKED_STRUCT(x)
-!else
-#define PACKED_STRUCT_UNALIGNED(x) x
 !endif
 #define RUBY_EXTERN extern __declspec(dllimport)
 #define RUBY_ALIGNAS(n) __declspec(align(n))