[PATCH 5/5] raid6: test: only check for Altivec if building on powerpc hosts
From: WANG Xuerui <kernel@xen0n.name>
Date: 2023-07-31 10:51:16
Also in:
lkml
Subsystem:
library code, the rest · Maintainers:
Andrew Morton, Linus Torvalds
From: WANG Xuerui <redacted> Altivec is only available for powerpc hosts, so only check for its availability when the host is powerpc, to avoid error messages being shown on architectures other than x86, arm or powerpc. Signed-off-by: WANG Xuerui <redacted> --- lib/raid6/test/Makefile | 19 ++++++++++--------- 1 file changed, 10 insertions(+), 9 deletions(-)
diff --git a/lib/raid6/test/Makefile b/lib/raid6/test/Makefile
index 143cda60faa12..1f693ea3b980c 100644
--- a/lib/raid6/test/Makefile
+++ b/lib/raid6/test/Makefile@@ -35,6 +35,12 @@ ifeq ($(ARCH),aarch64) HAS_NEON = yes endif +ifeq ($(findstring ppc,$(ARCH)),ppc) + CFLAGS += -I../../../arch/powerpc/include + HAS_ALTIVEC := $(shell printf '$(pound)include <altivec.h>\nvector int a;\n' |\ + gcc -c -x c - >/dev/null && rm ./-.o && echo yes) +endif + ifeq ($(IS_X86),yes) OBJS += mmx.o sse1.o sse2.o avx2.o recov_ssse3.o recov_avx2.o avx512.o recov_avx512.o CFLAGS += -DCONFIG_X86
@@ -44,15 +50,10 @@ ifeq ($(IS_X86),yes) else ifeq ($(HAS_NEON),yes) OBJS += neon.o neon1.o neon2.o neon4.o neon8.o recov_neon.o recov_neon_inner.o CFLAGS += -DCONFIG_KERNEL_MODE_NEON=1 -else - HAS_ALTIVEC := $(shell printf '$(pound)include <altivec.h>\nvector int a;\n' |\ - gcc -c -x c - >/dev/null && rm ./-.o && echo yes) - ifeq ($(HAS_ALTIVEC),yes) - CFLAGS += -I../../../arch/powerpc/include - CFLAGS += -DCONFIG_ALTIVEC - OBJS += altivec1.o altivec2.o altivec4.o altivec8.o \ - vpermxor1.o vpermxor2.o vpermxor4.o vpermxor8.o - endif +else ifeq ($(HAS_ALTIVEC),yes) + CFLAGS += -DCONFIG_ALTIVEC + OBJS += altivec1.o altivec2.o altivec4.o altivec8.o \ + vpermxor1.o vpermxor2.o vpermxor4.o vpermxor8.o endif .c.o:
--
2.40.0