> 0. I am not sure to understand exactly the steps (and commands to > run) when touching to a configure.ac file... I made an educated > guess which happens to work most of the time. (In particular it > seems that autconf2.60 works even if 2.59 is required)
If you only modify `configure.ac', then it is sufficient to run autoconf. However, if you aren't sure about what you're doing, it is better to configure your build tree with --enable-maintainer-mode and then the Makefiles will take care of regenerating files for you. Ben