Jonathan Wakely wrote: > Later versions *should* work, but if they don't the answer is to use > the recommended versions, which is what the docs suggest and what > happens if you use contrib/download_prerequisites, as recommended by > http://gcc.gnu.org/wiki/InstallingGCC Yes, my wrong understanding was that I also could use the newest version. Painful (time consuming) misunderstanding :-) > >> Maybe the check in the configure script should check for the correct >> version range. It looks to me that the recent versions are not >> compatible to the gcc makefile/configure. > > That's http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50461 - the fix is > on the trunk but hasn't been applied to the 4.7 branch > Great! Thanks a lot for your support! Regards Klaus