tags (cscope): also process $(TAGS_FILES)

* lib/am/tags.am (cscopelist): Also scan the files (if any) listed in
the '$(TAGS_FILES) variable, for consistency by what is done by the
'ID', 'TAGS' and 'CTAGS' rules.

Signed-off-by: Stefano Lattarini <stefano.lattarini@gmail.com>

diff --git a/lib/am/tags.am b/lib/am/tags.am
index 37412ca..9b19eb8 100644 (file)
--- a/lib/am/tags.am
+++ b/lib/am/tags.am
@@ -153,8 +153,8 @@ cscope.files: clean-cscope %CSCOPEDIRS% cscopelist
 endif %?TOPDIR_P%
 
 .PHONY: cscopelist
-cscopelist: %CSCOPEDIRS% $(HEADERS) $(SOURCES) %CONFIG% $(LISP)
-       list='$(HEADERS) $(SOURCES) %CONFIG% $(LISP)'; \
+cscopelist: %CSCOPEDIRS% $(HEADERS) $(SOURCES) %CONFIG% $(LISP) $(TAGS_FILES)
+       list='$(HEADERS) $(SOURCES) %CONFIG% $(LISP) $(TAGS_FILES)'; \
        case "$(srcdir)" in \
          [\\/]* | ?:[\\/]*) sdir="$(srcdir)" ;; \
          *) sdir=$(subdir)/$(srcdir) ;; \