diff options
Diffstat (limited to 'meta/recipes-devtools/gcc/gcc-7.1/0040-Add-ssp_nonshared-to-link-commandline-for-musl-targe.patch')
-rw-r--r-- | meta/recipes-devtools/gcc/gcc-7.1/0040-Add-ssp_nonshared-to-link-commandline-for-musl-targe.patch | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/meta/recipes-devtools/gcc/gcc-7.1/0040-Add-ssp_nonshared-to-link-commandline-for-musl-targe.patch b/meta/recipes-devtools/gcc/gcc-7.1/0040-Add-ssp_nonshared-to-link-commandline-for-musl-targe.patch new file mode 100644 index 0000000000..310f7aacba --- /dev/null +++ b/meta/recipes-devtools/gcc/gcc-7.1/0040-Add-ssp_nonshared-to-link-commandline-for-musl-targe.patch @@ -0,0 +1,42 @@ +From 75a42d6d0f1f9784327f74882195a5c24843d5a8 Mon Sep 17 00:00:00 2001 +From: Khem Raj <raj.khem@gmail.com> +Date: Tue, 27 Jun 2017 18:10:54 -0700 +Subject: [PATCH 40/49] Add ssp_nonshared to link commandline for musl targets + +when -fstack-protector options are enabled we need to +link with ssp_shared on musl since it does not provide +the __stack_chk_fail_local() so essentially it provides +libssp but not libssp_nonshared something like +TARGET_LIBC_PROVIDES_SSP_BUT_NOT_SSP_NONSHARED + where-as for glibc the needed symbols +are already present in libc_nonshared library therefore +we do not need any library helper on glibc based systems +but musl needs the libssp_noshared from gcc + +Upstream-Status: Pending + +Signed-off-by: Khem Raj <raj.khem@gmail.com> +--- + gcc/config/linux.h | 6 ++++++ + 1 file changed, 6 insertions(+) + +diff --git a/gcc/config/linux.h b/gcc/config/linux.h +index 2e683d0c430..5ff0a2cb2ff 100644 +--- a/gcc/config/linux.h ++++ b/gcc/config/linux.h +@@ -182,6 +182,12 @@ see the files COPYING3 and COPYING.RUNTIME respectively. If not, see + { GCC_INCLUDE_DIR, "GCC", 0, 1, 0, 0 }, \ + { 0, 0, 0, 0, 0, 0 } \ + } ++#ifdef TARGET_LIBC_PROVIDES_SSP ++#define LINK_SSP_SPEC "%{fstack-protector|fstack-protector-all" \ ++ "|fstack-protector-strong|fstack-protector-explicit" \ ++ ":-lssp_nonshared}" ++#endif ++ + #endif + + #if (DEFAULT_LIBC == LIBC_UCLIBC) && defined (SINGLE_LIBC) /* uClinux */ +-- +2.13.2 + |