[POWERPC] Specify GNUTARGET on $(AR) invocations

Without this, some versions of GNU ar fail to create
an archive index if the object files it is packing
together are of a different object format than ar's
default format (for example, binutils compiled to
default to 64-bit, with 32-bit objects).

Signed-off-by: Segher Boessenkool <segher@kernel.crashing.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>

1 files changed, 2 insertions, 1 deletions

diff --git a/arch/powerpc/Makefile b/arch/powerpc/Makefile
index d6014a67694b..6238b5875fd1 100644
--- a/arch/powerpc/Makefile
+++ b/arch/powerpc/Makefile
@@ -29,7 +29,7 @@ CROSS32CC	:= $(CC) -m32
 CROSS32AS       := $(AS) -a32
 CROSS32LD       := $(LD) -m elf32ppc
 CROSS32OBJCOPY  := $(OBJCOPY)
-CROSS32AR       := $(AR)
+CROSS32AR       := GNUTARGET=elf32-powerpc $(AR)
 endif
 endif
 
@@ -58,6 +58,7 @@ ifeq ($(HAS_BIARCH),y)
 override AS     += -a$(SZ)
 override LD     += -m elf$(SZ)ppc
 override CC     += -m$(SZ)
+override AR     := GNUTARGET=elf$(SZ)-powerpc $(AR)
 endif
 
 LDFLAGS_vmlinux := -Bstatic