On Tue, 21 Aug 2018 at 12:21, R. Diez via gcc-help <gcc-help@xxxxxxxxxxx> wrote: > > Hi there: > > I would like to fix an annoying shortcoming in GCC's autotools scripts. > > What commands do you use to regenerate 'configure' etc. from configure.ac and so on? Use autoconf, but you need to use the right version as documented at https://gcc.gnu.org/install/prerequisites.html