Mercurial > hg > graal-jvmci-8
diff make/linux/makefiles/gcc.make @ 2191:d70fe6ab4436
6588413: Use -fvisibility=hidden for gcc compiles
Summary: Add option for gcc 4 and above, define JNIEXPORT and JNIIMPORT to visibility=default, add for jio_snprintf and others since -fvisibility=hidden overrides --version-script definitions.
Reviewed-by: kamg, never
author | coleenp |
---|---|
date | Tue, 01 Feb 2011 11:23:19 -0500 |
parents | a5610f0862fe |
children | 7e88bdae86ec |
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--- a/make/linux/makefiles/gcc.make Thu Jan 27 16:11:27 2011 -0800 +++ b/make/linux/makefiles/gcc.make Tue Feb 01 11:23:19 2011 -0500 @@ -75,6 +75,11 @@ CFLAGS += -fno-exceptions CFLAGS += -D_REENTRANT CFLAGS += -fcheck-new +# version 4 and above support fvisibility=hidden (matches jni_x86.h file) +# except 4.1.2 gives pointless warnings that can't be disabled (afaik) +ifneq "$(shell expr \( $(CC_VER_MAJOR) \> 4 \) \| \( \( $(CC_VER_MAJOR) = 4 \) \& \( $(CC_VER_MINOR) \>= 3 \) \))" "0" +CFLAGS += -fvisibility=hidden +endif ARCHFLAG = $(ARCHFLAG/$(BUILDARCH)) ARCHFLAG/i486 = -m32 -march=i586