On Tue, 18 May 2010, Reinhard Kotucha wrote: > Try sed(1): > > sed -e 's/^M//g' > > You can insert the ^M in Emacs by typing C-q C-m. If at all possible, I'd like to avoid having control characters in configure.ac (and configure). If nothing simpler works, I'd rather use tr -d '\r' Regards Peter Breitenlohner <peb at mppmu.mpg.de>