(tagsfiles): New variable.

(TAGS): Depend on $(tagsfiles); use that in cmds.
(tags): Separate phony rule; depends on TAGS.

1 files changed, 6 insertions, 3 deletions

diff --git a/src/Makefile.in b/src/Makefile.in
index 606e0630b9b..fbf4754e852 100644
--- a/src/Makefile.in
+++ b/src/Makefile.in
@@ -69,6 +69,9 @@ xmakefile: ymakefile config.h
         chmod 444 xmakefile
         rm -f junk.c junk.cpp
 
-tags TAGS:
-        etags [a-z]*.h [a-z]*.c ../lisp/[a-z]*.el ../lisp/term/[a-z]*.el \
-              ../external-lisp/*.el
+tagsfiles = [a-z]*.h [a-z]*.c ../lisp/[a-z]*.el ../lisp/term/[a-z]*.el \
+            ../external-lisp/*.el
+TAGS: $(tagsfiles)
+        etags $(tagsfiles)
+tags: TAGS
+.PHONY: tags