gcc 4.7/gcc 4.8 fails when libunwind is built first

Recently Marcin Juszkiewicz reported an issues w/ gcc 4.8 when libunwind was built first. This sounded familar when I encountered the same problem.

Back in February Roy Li found the same problem w/ gcc_4.7 and submitted a fix for the issue. I've updated this fix for both gcc 4.7 and gcc 4.8.

I tested this and it does resolve the issue for me.

Roy.Li (1):
gcc: add build directory to include directories

 meta/recipes-devtools/gcc/gcc_4.7.bb | 2 +-
 meta/recipes-devtools/gcc/gcc_4.8.bb | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

1.8.3.rc1.25.g423ecb0

From: "Roy.Li" <[email protected]>

[ CQID: WIND00386962 ]

Add build directory to include directories by -I${B}/include which will be searched before standard system include directories.

Both libunwind and gcc supply unwind.h, once gcc use libunwind's unwind.h, the compiling will fail.

This patch is generally not applicable to the upstream as they do not use libunwind.

(LOCAL REV: NOT UPSTREAM)

---
 meta/recipes-devtools/gcc/gcc_4.7.bb | 2 +-
 meta/recipes-devtools/gcc/gcc_4.8.bb | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

index 9954375..f68c67a 100644
@@ -2,4 +2,4 @@ require recipes-devtools/gcc/gcc-${PV}.inc
 require gcc-configure-target.inc
 require gcc-package-target.inc
 
-ARCH_FLAGS_FOR_TARGET += "-isystem${STAGING_INCDIR}"
+ARCH_FLAGS_FOR_TARGET += "-isystem${STAGING_INCDIR} -I${B}/gcc/include/ "

index 9954375..f68c67a 100644
@@ -2,4 +2,4 @@ require recipes-devtools/gcc/gcc-${PV}.inc
 require gcc-configure-target.inc
 require gcc-package-target.inc
 
-ARCH_FLAGS_FOR_TARGET += "-isystem${STAGING_INCDIR}"
+ARCH_FLAGS_FOR_TARGET += "-isystem${STAGING_INCDIR} -I${B}/gcc/include/ "

1.8.3.rc1.25.g423ecb0

W dniu 31.05.2013 17:54, Mark Hatle pisze:

It works! Thanks a lot guys.