[PATCH] ppc: prevent GCC 4 from generating AltiVec instructions in kernel

[linux-2.6-omap-h63xx.git] / arch / ppc / Makefile

diff --git a/arch/ppc/Makefile b/arch/ppc/Makefile
index aedc9ae13b2a942e9ae639e12c0c4585f84c32a0..94d5716fa7c34aa1b668d7e786fe65f486b862f4 100644 (file)
--- a/arch/ppc/Makefile
+++ b/arch/ppc/Makefile
@@ -26,6 +26,10 @@ CPPFLAGS     += -Iarch/$(ARCH) -Iarch/$(ARCH)/include
 AFLAGS         += -Iarch/$(ARCH)
 CFLAGS         += -Iarch/$(ARCH) -msoft-float -pipe \
                -ffixed-r2 -mmultiple
+
+# No AltiVec instruction when building kernel
+CFLAGS         += $(call cc-option, -mno-altivec)
+
 CPP            = $(CC) -E $(CFLAGS)
 # Temporary hack until we have migrated to asm-powerpc
 LINUXINCLUDE    += -Iarch/$(ARCH)/include
@@ -61,7 +65,8 @@ head-$(CONFIG_PPC_FPU)                += arch/powerpc/kernel/fpu.o
 
 core-y                         += arch/ppc/kernel/ arch/powerpc/kernel/ \
                                   arch/ppc/platforms/ \
-                                  arch/ppc/mm/ arch/ppc/lib/ arch/ppc/syslib/
+                                  arch/ppc/mm/ arch/ppc/lib/ \
+                                  arch/ppc/syslib/ arch/powerpc/sysdev/
 core-$(CONFIG_4xx)             += arch/ppc/platforms/4xx/
 core-$(CONFIG_83xx)            += arch/ppc/platforms/83xx/
 core-$(CONFIG_85xx)            += arch/ppc/platforms/85xx/