configure: Workaround clang not enabling altivec on -mvsx

The flag `-mvsx` implies `-maltivec`.

Change-Id: I7544553eba131a533467b387f8bf329d57f5af5c

diff --git a/build/make/Makefile b/build/make/Makefile
index 0d29609ff8c63da3f308be5aeb5f99acf0b0f5ea..90522e5f63af32f644dbb46a4819868807c66a06 100644 (file)
--- a/build/make/Makefile
+++ b/build/make/Makefile
@@ -141,8 +141,8 @@ $(BUILD_PFX)%_avx2.c.d: CFLAGS += -mavx2
 $(BUILD_PFX)%_avx2.c.o: CFLAGS += -mavx2
 
 # POWER
-$(BUILD_PFX)%_vsx.c.d: CFLAGS += -mvsx
-$(BUILD_PFX)%_vsx.c.o: CFLAGS += -mvsx
+$(BUILD_PFX)%_vsx.c.d: CFLAGS += -maltivec -mvsx
+$(BUILD_PFX)%_vsx.c.o: CFLAGS += -maltivec -mvsx
 
 $(BUILD_PFX)%.c.d: %.c
        $(if $(quiet),@echo "    [DEP] $@")