add TAGS and tags targets to Makefile

It's nice to have a TAGS file around when exploring the library. Let's
generate one for vim and emacs.

1 files changed, 12 insertions, 1 deletions

diff --git a/Makefile b/Makefile
index b22cb0d..adb12c8 100644
--- a/Makefile
+++ b/Makefile
@@ -73,7 +73,7 @@ all     = lib ${rt-apps}
 rt-apps = cycles base_task rt_launch rtspin release_ts measure_syscall \
           base_mt_task runtests
 
-.PHONY: all lib clean dump-config
+.PHONY: all lib clean dump-config TAGS tags
 
 all: ${all} inc/config.makefile
 
@@ -116,6 +116,17 @@ clean:
         rm -f *.o *.d *.a test_catalog.inc
         rm -f ${imported-headers}
         rm -f inc/config.makefile
+        rm -f tags TAGS
+
+# Emacs Tags
+TAGS:
+        @echo TAGS
+        @find . -type f -and  -iname '*.[ch]' | xargs etags
+
+# Vim Tags
+tags:
+        @echo tags
+        @find . -type f -and  -iname '*.[ch]' | xargs ctags
 
 # ##############################################################################
 # Kernel headers.