[oe-commits] Khem Raj : kernel-arch: Force BFD kernel when using gcc for linking
git at git.openembedded.org
git at git.openembedded.org
Mon Aug 24 22:48:39 UTC 2015
Module: openembedded-core.git
Branch: master
Commit: 5724e4d245f142ac6fb1ea211503fd220683354d
URL: http://git.openembedded.org/?p=openembedded-core.git&a=commit;h=5724e4d245f142ac6fb1ea211503fd220683354d
Author: Khem Raj <raj.khem at gmail.com>
Date: Wed Aug 19 10:44:56 2015 -0700
kernel-arch: Force BFD kernel when using gcc for linking
We redefine LD to point to ld.bfd when building kernel, which works in
most cases since kbuild system calls out for bare LD most of the time,
however some of newer kernels e.g. 4.1+ have some code added which can
call gcc directly to do the linking job e.g. arm vdso code
This causes build failures when we have configured the default cross
toolchain to use gold linker as default. Errors like
BFD: arch/arm/vdso/vdso.so: Not enough room for program headers, try
linking with -N
| arm-angstrom-linux-gnueabi-objcopy:arch/arm/vdso/vdso.so[.hash]: Bad
value
start happening.
With this patch we force gcc to choose bfd linker as well
Signed-off-by: Khem Raj <raj.khem at gmail.com>
Signed-off-by: Ross Burton <ross.burton at intel.com>
---
meta/classes/kernel-arch.bbclass | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/meta/classes/kernel-arch.bbclass b/meta/classes/kernel-arch.bbclass
index 6650870..211b72b 100644
--- a/meta/classes/kernel-arch.bbclass
+++ b/meta/classes/kernel-arch.bbclass
@@ -53,7 +53,7 @@ HOST_LD_KERNEL_ARCH ?= "${TARGET_LD_KERNEL_ARCH}"
TARGET_AR_KERNEL_ARCH ?= ""
HOST_AR_KERNEL_ARCH ?= "${TARGET_AR_KERNEL_ARCH}"
-KERNEL_CC = "${CCACHE}${HOST_PREFIX}gcc ${HOST_CC_KERNEL_ARCH}"
+KERNEL_CC = "${CCACHE}${HOST_PREFIX}gcc ${HOST_CC_KERNEL_ARCH} -fuse-ld=bfd"
KERNEL_LD = "${CCACHE}${HOST_PREFIX}ld.bfd ${HOST_LD_KERNEL_ARCH}"
KERNEL_AR = "${CCACHE}${HOST_PREFIX}ar ${HOST_AR_KERNEL_ARCH}"
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