gcc-4.9/5.3: Ignore -fdebug-prefix-map in producer string

Backport from upstream master. The discussion detail:
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69821

Compile without this fix:
objdump -g packages-split/lib32-glibc-dev/usr/lib/gcrt1.o
...
|    <5f>   DW_AT_producer    : (indirect string, offset: 0x1b): GNU C99 5.3.0
-m32-march=core2 -mtune=core2 -msse3 -mfpmath=sse -mpreferred-stack-boundary=4
-g -O2 -std=gnu99 -fgnu89-inline -fdebug-prefix-map=/buildarea/raid0/hjia/buil
d-20160127-yocto-buildpath-2/tmp/sysroots/lib32-qemux86-64=
-feliminate-unused-debug-types -fmerge-all-constants -frounding-math
-ftls-model=initial-exec
...

Compile with this fix:
objdump -g packages-split/lib32-glibc-dev/usr/lib/gcrt1.o
...
|    <5f>   DW_AT_producer    : (indirect string, offset: 0xa1): GNU C99 5.3.0
-m32 -march=core2 -mtune=core2 -msse3 -mfpmath=sse -mpreferred-stack-boundary=4
-g -O2 -std=gnu99 -fgnu89-inline -feliminate-unused-debug-types -fmerge-all-constants
-frounding-math -ftls-model=initial-exec
...

[YOCTO #7058]

Signed-off-by: Hongxu Jia <hongxu.jia@windriver.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

1 files changed, 1 insertions, 0 deletions

diff --git a/meta/recipes-devtools/gcc/gcc-4.9.inc b/meta/recipes-devtools/gcc/gcc-4.9.inc
index 736c95689a..641249037e 100644
--- a/meta/recipes-devtools/gcc/gcc-4.9.inc
+++ b/meta/recipes-devtools/gcc/gcc-4.9.inc
@@ -86,6 +86,7 @@ SRC_URI = "\
     file://0068-musl-dynamic-linker.patch \
     file://0069-musl-no-fixincludes.patch \
     file://0070-libstdc-musl.patch \
+    file://0071-Ignore-fdebug-prefix-map-in-producer-string-by-Danie.patch \
 "
 SRC_URI[md5sum] = "6f831b4d251872736e8e9cc09746f327"
 SRC_URI[sha256sum] = "2332b2a5a321b57508b9031354a8503af6fdfb868b8c1748d33028d100a8b67e"