On Sun, 21 Oct 2007 14:56:28 -0400, Ralf Wildenhues
<Ralf.Wildenhues@xxxxxx> wrote:
Ralf,
* 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
Thanks Ralf, that did the trick. Can you explain the second part of the
conditional (test "X$F77" = "Xno")? autoconf sets the value of $F77 to
"no" if it's not found?
I assume for safety's sake, I should do similar checks for $CC and
whatever other programs are required?
Thanks!
Brad Larsen
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