-core-y += arch/powerpc/kernel/
-core-y += arch/$(OLDARCH)/kernel/
-core-$(CONFIG_PPC32) += arch/powerpc/mm/
-core-$(CONFIG_PPC64) += arch/$(OLDARCH)/mm/
-core-$(CONFIG_PPC32) += arch/powerpc/lib/
-libs-$(CONFIG_PPC64) += arch/$(OLDARCH)/lib/
-core-y += arch/powerpc/sysdev/
-core-y += arch/powerpc/platforms/
-core-$(CONFIG_PPC32) += arch/ppc/syslib/
-core-$(CONFIG_MATH_EMULATION) += arch/ppc/math-emu/
+core-y += arch/powerpc/kernel/ \
+ arch/powerpc/mm/ \
+ arch/powerpc/lib/ \
+ arch/powerpc/sysdev/ \
+ arch/powerpc/platforms/
+core-$(CONFIG_MATH_EMULATION) += arch/powerpc/math-emu/