Backed out changeset 91300d29898b (bug 1489443) for MinGW build bustages. CLOSED TREE

build/autoconf/toolchain.m4

@@ -34,6 +34,12 @@ if test "$CC_TYPE" = "clang-cl"; then
     CLANG_CL=1
 fi
 
+if test "$GNU_CC"; then
+    if `$CC -print-prog-name=ld` -v 2>&1 | grep -c GNU >/dev/null; then
+        GCC_USE_GNU_LD=1
+    fi
+fi
+
 AC_SUBST(CLANG_CXX)
 AC_SUBST(CLANG_CL)
 ])

build/moz.configure/toolchain.configure

@@ -1818,13 +1818,6 @@ set_config('LD_IS_BFD', depends(select_linker.KIND)
 add_old_configure_assignment('LINKER_LDFLAGS', select_linker.LINKER_FLAG)
 
 
-# GCC_USE_GNU_LD=1 means the linker is command line compatible with GNU ld.
-set_config('GCC_USE_GNU_LD', depends(select_linker.KIND)
-           (lambda x: x in ('bfd', 'gold', 'lld') or None))
-add_old_configure_assignment('GCC_USE_GNU_LD', depends(select_linker.KIND)
-                             (lambda x: x in ('bfd', 'gold', 'lld') or None))
-
-
 # Assembler detection
 # ==============================================================
 

js/src/old-configure.in

@@ -1770,6 +1770,8 @@ AC_SUBST(HOST_BIN_SUFFIX)
 
 AC_SUBST(TARGET_XPCOM_ABI)
 
+AC_SUBST(GCC_USE_GNU_LD)
+
 AC_SUBST_LIST(DSO_CFLAGS)
 AC_SUBST_LIST(DSO_PIC_CFLAGS)
 AC_SUBST(DSO_LDOPTS)

old-configure.in

@@ -4212,6 +4212,7 @@ AC_SUBST(HAVE_TOOLCHAIN_SUPPORT_MSSSE3)
 AC_SUBST(HAVE_TOOLCHAIN_SUPPORT_MSSE4_1)
 AC_SUBST(HAVE_X86_AVX2)
 AC_SUBST(HAVE_ALTIVEC)
+AC_SUBST(GCC_USE_GNU_LD)
 
 AC_SUBST_LIST(DSO_CFLAGS)
 AC_SUBST_LIST(DSO_PIC_CFLAGS)

python/mozbuild/mozbuild/action/generate_symbols_file.py

@@ -71,7 +71,7 @@ def generate_symbols_file(output, *args):
         assert ext == '.def'
         output.write('LIBRARY %s\nEXPORTS\n  %s\n'
                      % (libname, '\n  '.join(symbols)))
-    elif buildconfig.substs.get('GCC_USE_GNU_LD'):
+    elif buildconfig.substs['GCC_USE_GNU_LD']:
         # A linker version script is generated for GNU LD that looks like the
         # following:
         # liblibrary.so {

security/generate_mapfile.py

@@ -22,8 +22,7 @@ import buildconfig
 
 def main(output, input):
     is_darwin = buildconfig.substs['OS_ARCH'] == 'Darwin'
-    is_mingw = "WINNT" == buildconfig.substs['OS_ARCH'] and \
-        buildconfig.substs.get('GCC_USE_GNU_LD')
+    is_mingw = "WINNT" == buildconfig.substs['OS_ARCH'] and buildconfig.substs['GCC_USE_GNU_LD']
 
     with open(input, 'rb') as f:
         for line in f: