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| author | Steven Barth <cyrus@openwrt.org> | 2015-06-22 10:31:07 +0000 |
|---|---|---|
| committer | Steven Barth <cyrus@openwrt.org> | 2015-06-22 10:31:07 +0000 |
| commit | 1877bc9d8f2be143fbe530347a945850d0ecd234 (patch) | |
| tree | fe99374fe0af943707c608a4112f662b9d8d7aa3 /toolchain/gcc | |
| parent | e0a3d9d1152a05c7c8ba6cd713e394c862ce9252 (diff) | |
| download | upstream-1877bc9d8f2be143fbe530347a945850d0ecd234.tar.gz upstream-1877bc9d8f2be143fbe530347a945850d0ecd234.tar.bz2 upstream-1877bc9d8f2be143fbe530347a945850d0ecd234.zip | |
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
Diffstat (limited to 'toolchain/gcc')
| -rw-r--r-- | toolchain/gcc/Config.in | 3 | ||||
| -rw-r--r-- | toolchain/gcc/patches/4.8-linaro/030-always-link-ssp-noshared.patch | 11 | ||||
| -rw-r--r-- | toolchain/gcc/patches/4.8-linaro/230-musl_libssp.patch | 13 |
3 files changed, 15 insertions, 12 deletions
diff --git a/toolchain/gcc/Config.in b/toolchain/gcc/Config.in index 5cb4d23e16..025ea2453d 100644 --- a/toolchain/gcc/Config.in +++ b/toolchain/gcc/Config.in @@ -42,7 +42,8 @@ config EXTRA_GCC_CONFIG_OPTIONS config SSP_SUPPORT bool prompt "Enable Stack-Smashing Protection support" if TOOLCHAINOPTS - default y + depends on !USE_MUSL + default y if !USE_MUSL help Enable Stack-Smashing Protection support diff --git a/toolchain/gcc/patches/4.8-linaro/030-always-link-ssp-noshared.patch b/toolchain/gcc/patches/4.8-linaro/030-always-link-ssp-noshared.patch deleted file mode 100644 index 1208e73029..0000000000 --- a/toolchain/gcc/patches/4.8-linaro/030-always-link-ssp-noshared.patch +++ /dev/null @@ -1,11 +0,0 @@ ---- gcc-4.7.4.org/gcc/gcc.c -+++ gcc-4.7.4/gcc/gcc.c -@@ -603,7 +603,7 @@ - - #ifndef LINK_SSP_SPEC - #ifdef TARGET_LIBC_PROVIDES_SSP --#define LINK_SSP_SPEC "%{fstack-protector:}" -+#define LINK_SSP_SPEC "%{fstack-protector|fstack-protector-all:-lssp_nonshared}" - #else - #define LINK_SSP_SPEC "%{fstack-protector|fstack-protector-all:-lssp_nonshared -lssp}" - #endif diff --git a/toolchain/gcc/patches/4.8-linaro/230-musl_libssp.patch b/toolchain/gcc/patches/4.8-linaro/230-musl_libssp.patch new file mode 100644 index 0000000000..22176934af --- /dev/null +++ b/toolchain/gcc/patches/4.8-linaro/230-musl_libssp.patch @@ -0,0 +1,13 @@ +--- 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}" |