X-Git-Url: http://ftp.safe.ca/?a=blobdiff_plain;f=arch%2Fxtensa%2FMakefile;h=4caffac3ca2e7d3805bb6d1b8fd11b53bdc544d0;hb=f1933189b89da2b34fc37e6737737c8c9bf01139;hp=d0a8ba4b12cfd941dd02710747d8d48c62287ff3;hpb=06a7476be78c58a5ee0f4b4cc4acf43800087d52;p=safe%2Fjmp%2Flinux-2.6

diff --git a/arch/xtensa/Makefile b/arch/xtensa/Makefile
index d0a8ba4..4caffac 100644
--- a/arch/xtensa/Makefile
+++ b/arch/xtensa/Makefile
@@ -64,23 +64,23 @@ ifneq ($(VARIANT),)
   endif
 endif
 
-#
+# Only build variant and/or platform if it includes a Makefile
+
+buildvar := $(shell test -a $(srctree)/arch/xtensa/variants/$(VARIANT)/Makefile && echo arch/xtensa/variants/$(VARIANT)/)
+buildplf := $(shell test -a $(srctree)/arch/xtensa/platforms/$(PLATFORM)/Makefile && echo arch/xtensa/platforms/$(PLATFORM)/)
+
+# Find libgcc.a
 
 LIBGCC := $(shell $(CC) $(KBUILD_CFLAGS) -print-libgcc-file-name)
 
 head-y		:= arch/xtensa/kernel/head.o
 core-y		+= arch/xtensa/kernel/ arch/xtensa/mm/
-ifneq ($(VARIANT),)
-core-y		+= arch/xtensa/variants/$(VARIANT)/
-endif
-ifneq ($(PLATFORM),)
-core-y		+= arch/xtensa/platforms/$(PLATFORM)/
-endif
+core-y		+= $(buildvar) $(buildplf)
+
 libs-y		+= arch/xtensa/lib/ $(LIBGCC)
 
 boot		:= arch/xtensa/boot
 
-
 all: zImage
 
 bzImage : zImage