[gnome-continuous-yocto/gnomeostree-3.28-rocko: 2588/8267] libunwind: fix build by linking with bfd instead of gold

[Emmanuele Bassi <ebassi src gnome org>]

commit 0f09354396ec71d5a6486df96aae9bdf8bcad927
Author: Andreas Müller <schnitzeltony googlemail com>
Date:   Wed Sep 21 07:30:43 2016 +0200

    libunwind: fix build by linking with bfd instead of gold
    
    works around:
    <native-sysroot>/ld: error: Gperf-simple.o: cannot make copy relocation for protected symbol 
'_Uarm_local_addr_space', defined in ../src/.libs/libunwind-arm.so
    collect2: error: ld returned 1 exit status
    Makefile:1038: recipe for target 'Gperf-simple' failed
    make[1]: *** [Gperf-simple] Error 1
    make[1]: *** Waiting for unfinished jobs....
    <...>
    <native-sysroot>/ld: error: Lperf-simple.o: cannot make copy relocation for protected symbol 
'_ULarm_local_addr_space', defined in ../src/.libs/libunwind.so
    collect2: error: ld returned 1 exit status
    Makefile:1094: recipe for target 'Lperf-simple' failed
    make[1]: *** [Lperf-simple] Error 1
    <...>
    ERROR: oe_runmake failed
    <native-sysroot>/ld: error: Gperf-trace.o: cannot make copy relocation for protected symbol 
'_Uarm_local_addr_space', defined in ../src/.libs/libunwind-arm.so
    collect2: error: ld returned 1 exit status
    Makefile:1042: recipe for target 'Gperf-trace' failed
    make[1]: *** [Gperf-trace] Error 1
    <native-sysroot>/ld: error: Lperf-trace.o: cannot make copy relocation for protected symbol 
'_ULarm_local_addr_space', defined in ../src/.libs/libunwind.so
    collect2: error: ld returned 1 exit status
    Makefile:1098: recipe for target 'Lperf-trace' failed
    make[1]: *** [Lperf-trace] Error 1
    <...>
    <native-sysroot>/ld: error: test-coredump-unwind.o: cannot make copy relocation for protected symbol 
'_UCD_accessors', defined in ../src/.libs/libunwind-coredump.so
    collect2: error: ld returned 1 exit status
    Makefile:1186: recipe for target 'test-coredump-unwind' failed
    
    (From OE-Core rev: 482733bae05bdc7b149e515fb209c3266f459a53)
    
    Signed-off-by: Andreas Müller <schnitzeltony googlemail com>
    Signed-off-by: Ross Burton <ross burton intel com>
    Signed-off-by: Richard Purdie <richard purdie linuxfoundation org>

 meta/recipes-support/libunwind/libunwind_git.bb |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/meta/recipes-support/libunwind/libunwind_git.bb b/meta/recipes-support/libunwind/libunwind_git.bb
index cd4cb89..4249430 100644
--- a/meta/recipes-support/libunwind/libunwind_git.bb
+++ b/meta/recipes-support/libunwind/libunwind_git.bb
@@ -26,3 +26,4 @@ SECURITY_CFLAGS_append_aarch64 = " -fPIE"
 
 S = "${WORKDIR}/git"
 
+LDFLAGS += "-Wl,-z,relro,-z,now ${@bb.utils.contains('DISTRO_FEATURES', 'ld-is-gold', ' -fuse-ld=bfd ', '', 
d)}"