kbuild: fix a cscope bug (make cscope segfaults)
Workaround a cscope bug where a trailing ':' in VPATH makes it segfault
and let it build the cross-reference succesfully.
VPATH=/home/mattia/devel/kernel/git/linux-2.6: cscope -b
[1] 17555 segmentation fault VPATH=/home/mattia/devel/kernel/git/linux-2.6: cscope -b
Signed-off-by: Mattia Dongili <malattia@linux.it>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
diff --git a/Makefile b/Makefile
index a55a1e4..7a95f4f 100644
--- a/Makefile
+++ b/Makefile
@@ -137,7 +137,7 @@
src := $(srctree)
obj := $(objtree)
-VPATH := $(srctree):$(KBUILD_EXTMOD)
+VPATH := $(srctree)$(if $(KBUILD_EXTMOD),:$(KBUILD_EXTMOD))
export srctree objtree VPATH TOPDIR