diff --git a/arch/mips/Makefile b/arch/mips/Makefile
index 43f0f5c5046b0361dfd20b8e5058edd046bbf5ad..6a9f798d5677c0cc523ed35a8d925203ce72a0c3 100644
--- a/arch/mips/Makefile
+++ b/arch/mips/Makefile
@@ -7,4 +7,9 @@ head-y := arch/mips/cpu/start.o
 libs-y += arch/mips/cpu/
 libs-y += arch/mips/lib/
 
-libs-$(CONFIG_SOC_AU1X00) += arch/mips/mach-au1x00/
+machine-$(CONFIG_SOC_AU1X00) += au1x00
+
+machdirs := $(patsubst %,arch/mips/mach-%/,$(machine-y))
+libs-y += $(machdirs)
+
+PLATFORM_CPPFLAGS += $(patsubst %,-I$(srctree)/%include,$(machdirs))