Makefile: fix cscope target

This target doesn't work with current directory layout. Just make cscope
index all .c and .h files.

While we're at it: add cscope output files to .gitignore.

Signed-off-by: Bartosz Golaszewski <bartekgola@gmail.com>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>

2 files changed, 9 insertions, 18 deletions

diff --git a/.gitignore b/.gitignore
index 73e88fb5b..be1d46199 100644
--- a/.gitignore
+++ b/.gitignore
@@ -42,3 +42,11 @@ core
 /busybox.links
 /runtest-tempdir-links
 /testsuite/echo-ne
+
+#
+# cscope output
+#
+cscope.files
+cscope.in.out
+cscope.out
+cscope.po.out
diff --git a/Makefile b/Makefile
index cd42ca37b..e0888578f 100644
--- a/Makefile
+++ b/Makefile
@@ -1165,24 +1165,7 @@ endif
 ALLSOURCE_ARCHS := $(ARCH)
 
 define all-sources
-        ( find $(__srctree) $(RCS_FIND_IGNORE) \
-               \( -name include -o -name arch \) -prune -o \
-               -name '*.[chS]' -print; \
-          for ARCH in $(ALLSOURCE_ARCHS) ; do \
-               find $(__srctree)arch/$${ARCH} $(RCS_FIND_IGNORE) \
-                    -name '*.[chS]' -print; \
-          done ; \
-          find $(__srctree)security/selinux/include $(RCS_FIND_IGNORE) \
-               -name '*.[chS]' -print; \
-          find $(__srctree)include $(RCS_FIND_IGNORE) \
-               \( -name config -o -name 'asm-*' \) -prune \
-               -o -name '*.[chS]' -print; \
-          for ARCH in $(ALLINCLUDE_ARCHS) ; do \
-               find $(__srctree)include/asm-$${ARCH} $(RCS_FIND_IGNORE) \
-                    -name '*.[chS]' -print; \
-          done ; \
-          find $(__srctree)include/asm-generic $(RCS_FIND_IGNORE) \
-               -name '*.[chS]' -print )
+        ( find -regex '.*\.[ch]$$' )
 endef
 
 quiet_cmd_cscope-file = FILELST cscope.files