kbuild: change kbuild to not rely on incorrect GNU make behavior

[mirror_ubuntu-artful-kernel.git] / arch / ppc / Makefile

diff --git a/arch/ppc/Makefile b/arch/ppc/Makefile
index 98e940beeb3bfe632ca979ae7addaeadd3655579..9fbdf54ba2be55b9ff2867437e1eb3125dcd1b1f 100644 (file)
--- a/arch/ppc/Makefile
+++ b/arch/ppc/Makefile
@@ -82,7 +82,7 @@ drivers-$(CONFIG_OPROFILE)    += arch/powerpc/oprofile/
 
 BOOT_TARGETS = zImage zImage.initrd znetboot znetboot.initrd vmlinux.sm
 
-.PHONY: $(BOOT_TARGETS)
+PHONY += $(BOOT_TARGETS)
 
 all: uImage zImage