Add a `make tags` target.
tree826efaa3823e1252ed20e319edb473c89cfb0f8f
-rw-r--r-- 153 .gitignore
-rw-r--r-- 71 Makefile
-rw-r--r-- 265 README
drwxr-xr-x - doc
drwxr-xr-x - exp
drwxr-xr-x - include
drwxr-xr-x - perf
drwxr-xr-x - sql
drwxr-xr-x - test