libunwind: Fix build with fstack-protector on musl

libunwind makery inserts -nostdlib during linking
which fails the build on musl when security flags are enabled
since it remove ssp from linking, so add them explicitly
to SECURITY_LDFLAGS

disable tests for musl targets, tests use obsolete
posix APIs e.g. getcontext

patchout x86_local_resume() on x86, gets a working
linunwind on x86, it seems that it wont work even
in glibc case but lets leave it as it is for glibc
and apply the patch only for musl

(From OE-Core rev: c8ac9d483f6e1cfca82dad8cf3e0745935e96214)

Signed-off-by: Khem Raj <raj.khem@gmail.com>
Signed-off-by: Ross Burton <ross.burton@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

1 files changed, 31 insertions, 0 deletions

diff --git a/meta/recipes-support/libunwind/libunwind-1.1/0001-disable-tests.patch b/meta/recipes-support/libunwind/libunwind-1.1/0001-disable-tests.patch
new file mode 100644
index 0000000000..7309ffd865
--- /dev/null
+++ b/meta/recipes-support/libunwind/libunwind-1.1/0001-disable-tests.patch
@@ -0,0 +1,31 @@
+From b07435a90bd636ee718e2238fb46c74a6dd5e069 Mon Sep 17 00:00:00 2001
+From: Khem Raj <raj.khem@gmail.com>
+Date: Tue, 22 Mar 2016 16:41:13 +0000
+Subject: [PATCH] disable tests
+
+Tests use getcontext() API which is
+not there on musl
+
+Signed-off-by: Khem Raj <raj.khem@gmail.com>
+---
+Upstream-Status: Inappropriate [MUSL-only]
+
+ Makefile.am | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/Makefile.am b/Makefile.am
+index e24fe1e..15380e4 100644
+--- a/Makefile.am
++++ b/Makefile.am
+@@ -39,7 +39,7 @@ endif
+ 
+ nodist_include_HEADERS = include/libunwind-common.h
+ 
+-SUBDIRS = src tests doc
++SUBDIRS = src doc
+ 
+ noinst_HEADERS = include/dwarf.h include/dwarf_i.h include/dwarf-eh.h  \
+        include/compiler.h include/libunwind_i.h include/mempool.h      \
+-- 
+1.8.3.1
+