Re: Causing configure script to abort when tools are missing.

[Ralf Wildenhues]

Hello Brad,

* Brad Larsen wrote on Sun, Oct 21, 2007 at 08:10:03PM CEST:
>
> AC_PROG_CC
> AC_PROG_F77
[...]
> Here's a snippet of the output when I run ./configure on the system with no 
> Fortran compiler:
>
> checking for g77... no
> checking for xlf... no
> checking for f77... no
> [snip many more fortran compilers]
> checking whether we are using the GNU Fortran 77 compiler... no
> checking whether  accepts -g... no
>
> Notice the last line---no compiler was found, and the empty string was 
> filled in for the compiler name.
>
> How can I make the configure script bail out with an error message if no 
> suitable compiler is found?

After AC_PROG_F77, add
  if test -z "$F77" || test "X$F77" = "Xno"; then
    AC_MSG_ERROR([No suitable Fortran 77 compiler found])
  fi

Cheers,
Ralf