kbuild: add GNU GLOBAL tags generation

GNU GLOBAL (http://www.gnu.org/software/global/) is a source code tagging system
It is really cheap to support it in kbuild system.

Signed-off-by: Jianbin Kang <kjbmail@gmail.com>
Signed-off-by: Michal Marek <mmarek@suse.cz>

1 files changed, 9 insertions, 0 deletions

diff --git a/scripts/tags.sh b/scripts/tags.sh
index e091db312dd..5d17c71a816 100755
--- a/scripts/tags.sh
+++ b/scripts/tags.sh
@@ -114,6 +114,11 @@ docscope()
         cscope -b -f cscope.out
 }
 
+dogtags()
+{
+        all_sources | gtags -f -
+}
+
 exuberant()
 {
         all_sources | xargs $1 -a                               \
@@ -185,6 +190,10 @@ case "$1" in
                 docscope
                 ;;
 
+        "gtags")
+                dogtags
+                ;;
+
         "tags")
                 rm -f tags
                 xtags ctags