[ww520]

I have good experience on ggtags with GnuGlobal. Here's my setup.

1. Install the ggtags.el package in Emacs and install GnuGlobal outside.

2. Make sure /GnuGlobal/bin is in the path environment variable, so that the global and gtags executables can be launched from Emacs.

3. Build the initial index database outside of Emacs. Emacs will update the index as you add new code. I usually just run the following commands on the root of the source directory. You can modify find to include or exclude certain files.

    find . -type f >> filelist
    gtags -f filelist

Now M-. should pick up the word at cursor and jump to its definition, or display a list of all its usage if cursor is already at the definition.