gcc: add build directory to include directories

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.

(From OE-Core rev: 2b47bce78536a800205b2385bba69038351545e5)

Signed-off-by: Roy.Li <rongqing.li@windriver.com>
Signed-off-by: Jeff Polk <jeff.polk@windriver.com>
Signed-off-by: Mark Hatle <mark.hatle@windriver.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

2 files changed, 2 insertions, 2 deletions

diff --git a/meta/recipes-devtools/gcc/gcc_4.7.bb b/meta/recipes-devtools/gcc/gcc_4.7.bb
index 9954375e6e..f68c67a403 100644
--- a/meta/recipes-devtools/gcc/gcc_4.7.bb
+++ b/meta/recipes-devtools/gcc/gcc_4.7.bb
@@ -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${B}/gcc/include/ "
diff --git a/meta/recipes-devtools/gcc/gcc_4.8.bb b/meta/recipes-devtools/gcc/gcc_4.8.bb
index 9954375e6e..f68c67a403 100644
--- a/meta/recipes-devtools/gcc/gcc_4.8.bb
+++ b/meta/recipes-devtools/gcc/gcc_4.8.bb
@@ -2,4 +2,4 @@ require recipes-devtools/gcc/gcc-${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/ "