From 7b3c70c43c13ad8e59f5561b154663d6bdb77021 Mon Sep 17 00:00:00 2001
From: WANG Xuerui <git@xen0n.name>
Date: Mon, 31 Jul 2023 18:49:11 +0800
Subject: [PATCH] raid6: test: only check for Altivec if building on powerpc
 hosts

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 <git@xen0n.name>
Link: https://lore.kernel.org/r/20230731104911.411964-6-kernel@xen0n.name
Signed-off-by: Song Liu <song@kernel.org>
---
 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: