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authorKhem Raj <raj.khem@gmail.com>2016-08-07 23:47:58 -0700
committerRichard Purdie <richard.purdie@linuxfoundation.org>2016-08-10 10:45:31 +0100
commit2e9a88a21d21f2f71769899888fbbc994bc708f0 (patch)
tree748c1c2a882855de3caba9910d7700c02f5dd261
parenta18457e3318da21b642018897a0df29cb543deea (diff)
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world-broken: Add libunwind for musl/arm
gcc and libunwind race and when libunwind wins results are build fails for gcc as described this is only seen on musl/arm since on musl /usr/include is search before gcc fixed headers and unwind.h is in fixed headers. So it works ok on glibc but not on musl due to reversed search order. Signed-off-by: Khem Raj <raj.khem@gmail.com> Signed-off-by: Ross Burton <ross.burton@intel.com>
-rw-r--r--meta/conf/distro/include/world-broken.inc7
1 files changed, 7 insertions, 0 deletions
diff --git a/meta/conf/distro/include/world-broken.inc b/meta/conf/distro/include/world-broken.inc
index a5f6371..d4bdddf 100644
--- a/meta/conf/distro/include/world-broken.inc
+++ b/meta/conf/distro/include/world-broken.inc
@@ -47,3 +47,10 @@ EXCLUDE_FROM_WORLD_pn-perf_libc-musl = "1"
# error: 'RTLD_NEXT' was not declared in this scope
EXCLUDE_FROM_WORLD_pn-gcc-sanitizers_libc-musl = "1"
+
+# gcc fails to build when libuwind is staged before building gcc since
+# it then finds the unwind.h header from libunwind and not from libgcc
+# and on arm specially they are different since libgcc defines some functions
+# as macros which are functions in libunwind and it fails during linking
+# libbacktrace/backtrace.c:76: undefined reference to `_Unwind_GetIP'
+EXCLUDE_FROM_WORLD_pn-libunwind_libc-musl_arm = "1"