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authorJames Hogan <james.hogan@imgtec.com>2016-10-06 23:10:41 +0100
committerRalf Baechle <ralf@linux-mips.org>2016-10-11 15:03:47 +0200
commit034827c727f7f3946a18355b63995b402c226c82 (patch)
treed0f7b1102dbd5ef32ecb70f79d7260b67806d9d5 /arch
parentcabca8c098f00c91aeb59170e86e5c5fa4f494c2 (diff)
MIPS: Fix -mabi=64 build of vdso.lds
The native ABI vDSO linker script vdso.lds is built by preprocessing vdso.lds.S, with the native -mabi flag passed in to get the correct ABI definitions. Unfortunately however certain toolchains choke on -mabi=64 without a corresponding compatible -march flag, for example: cc1: error: ‘-march=mips32r2’ is not compatible with the selected ABI scripts/Makefile.build:338: recipe for target 'arch/mips/vdso/vdso.lds' failed Fix this by including ccflags-vdso in the KBUILD_CPPFLAGS for vdso.lds, which includes the appropriate -march flag. Fixes: ebb5e78cc634 ("MIPS: Initial implementation of a VDSO") Signed-off-by: James Hogan <james.hogan@imgtec.com> Reviewed-by: Maciej W. Rozycki <macro@imgtec.com> Cc: linux-mips@linux-mips.org Cc: stable@vger.kernel.org # 4.4.x- Patchwork: https://patchwork.linux-mips.org/patch/14368/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'arch')
-rw-r--r--arch/mips/vdso/Makefile2
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/mips/vdso/Makefile b/arch/mips/vdso/Makefile
index 3b4538ec0102..de9e8836d248 100644
--- a/arch/mips/vdso/Makefile
+++ b/arch/mips/vdso/Makefile
@@ -82,7 +82,7 @@ obj-vdso := $(obj-vdso-y:%.o=$(obj)/%.o)
$(obj-vdso): KBUILD_CFLAGS := $(cflags-vdso) $(native-abi)
$(obj-vdso): KBUILD_AFLAGS := $(aflags-vdso) $(native-abi)
-$(obj)/vdso.lds: KBUILD_CPPFLAGS := $(native-abi)
+$(obj)/vdso.lds: KBUILD_CPPFLAGS := $(ccflags-vdso) $(native-abi)
$(obj)/vdso.so.dbg.raw: $(obj)/vdso.lds $(obj-vdso) FORCE
$(call if_changed,vdsold)