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-5.3.inc b/meta/recipes-devtools/gcc/gcc-5.3.inc
index 214af10c51..a653e5c4ff 100644
--- a/meta/recipes-devtools/gcc/gcc-5.3.inc
+++ b/meta/recipes-devtools/gcc/gcc-5.3.inc
@@ -80,6 +80,7 @@ SRC_URI = "\
            file://0048-ssp_nonshared.patch \
            file://0049-Disable-the-weak-reference-logic-in-gthr.h-for-os-ge.patch \
            file://0050-powerpc-pass-secure-plt-to-the-linker.patch \
+           file://0051-Ignore-fdebug-prefix-map-in-producer-string-by-Danie.patch \
           "
 
 BACKPORTS = ""