On Sat, Jan 23, 2010 at 02:22:45AM +0000, Dr. David Kirkby wrote: > If using AC_PROG_CC and the compiler is the gcc, the variable GCC is set to "yes". > > Likewise, if using AC_PROG_F77 and the Fortran 77 compiler is g77, then > the variable G77 is set to "yes". > > If however I call AC_PROG_FC, is there any simple way of knowing if that > compiler is a GNU compiler? The configure script shows: You could use $ac_cv_fc_compiler_gnu for that, but > What I am trying to do is test the C, C++ and Fortran compilers, to > ensure they are either > > 1) All GNU compilers OR > 2) All non-GNU compilers > > What I want is to avoid a mixture of the two. I would imagine trying to > mix object files from the Sun Fortran compiler and the GNU C++ compiler > is likely to end in tears. the more Autoconfish approach would test making an executable using objects from all three compilers and accept the combination if this works. _______________________________________________ Autoconf mailing list Autoconf@xxxxxxx http://lists.gnu.org/mailman/listinfo/autoconf