Bug 420906. support for custom options for jsinterp.c when compiling the browser. Patch by Ted Mielczarek. r=bsmedberg

js/src/Makefile.in

@@ -51,6 +51,8 @@ GRE_MODULE	= 1
 
 ifdef GNU_CC
 MODULE_OPTIMIZE_FLAGS = -Os -fstrict-aliasing
+# Special optimization flags for jsinterp.c
+INTERP_OPTIMIZER = -O3 -fstrict-aliasing
 else
 ifeq ($(OS_ARCH),SunOS)
 MODULE_OPTIMIZE_FLAGS = -O
@@ -337,6 +339,11 @@ LDFLAGS		+= -lposix4 -ldl -lnsl -lsocket
 endif
 endif
 
+# Allow building jsinterp.c with special optimization flags
+ifdef INTERP_OPTIMIZER
+jsinterp.$(OBJ_SUFFIX): MODULE_OPTIMIZE_FLAGS=$(INTERP_OPTIMIZER)
+endif
+
 ifeq ($(OS_ARCH),IRIX)
 ifndef GNU_CC
 _COMPILE_CFLAGS  = $(patsubst -O%,-O1,$(COMPILE_CFLAGS))