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 master 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>

diff --git a/meta/recipes-devtools/gcc/gcc_4.7.bb b/meta/recipes-devtools/gcc/gcc_4.7.bb
index 9954375e6efb901342cc817b9253236f59a77d4d..f68c67a40383eee516774bcefc1eea302a2222ac 100644 (file)
--- 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/ "