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-rw-r--r--meta/recipes-devtools/gcc/gcc-7.1/0040-Add-ssp_nonshared-to-link-commandline-for-musl-targe.patch42
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
+