add "make tags" (using `ctags`)

diff --git a/.gitignore b/.gitignore
index 379c7d6..66dc45e 100644 (file)
--- a/.gitignore
+++ b/.gitignore
@@ -4,3 +4,4 @@
 
 # files in this directory
 /libthreads
+/tags

diff --git a/Makefile b/Makefile
index 1867a44..becb998 100644 (file)
--- a/Makefile
+++ b/Makefile
@@ -10,3 +10,6 @@ ${BIN}: ${SOURCE} ${HEADERS}
 
 clean:
        rm -f ${BIN} *.o
+
+tags::
+       ctags -R