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openwrt-owl/toolchain/gcc/patches/4.8-linaro/230-musl_libssp.patch

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gcc/musl: rework SSP-support Make musl provide libssp_nonshared.a and make GCC link it unconditionally if musl is used. This should be a no-op if SSP is disabled and seems to be the only reliable way of dealing with SSP over all packages due to the mess that is linkerflags handling in packages. Signed-off-by: Steven Barth <steven@midlink.org> SVN-Revision: 46108
2015-06-22 10:31:07 +00:00
--- gcc-4.8.1/gcc/gcc.c.orig 2013-09-24 06:27:32.133894539 +0000
+++ gcc-4.8.1/gcc/gcc.c 2013-09-24 06:29:35.790562854 +0000
@@ -656,7 +656,9 @@
#endif
#ifndef LINK_SSP_SPEC
-#ifdef TARGET_LIBC_PROVIDES_SSP
+#if DEFAULT_LIBC == LIBC_MUSL
+#define LINK_SSP_SPEC "-lssp_nonshared"
+#elif defined(TARGET_LIBC_PROVIDES_SSP)
#define LINK_SSP_SPEC "%{fstack-protector:}"
#else
#define LINK_SSP_SPEC "%{fstack-protector|fstack-protector-all:-lssp_nonshared -lssp}"