Re: autoconf-2.57f: make check: 2 Errors related to fort77 (fink package) on Mac OS X

[Steven G. Johnson]

On Thu, 2 Oct 2003, Akim Demaille wrote:
> Hm...  Actually, Steven, is this GNU Fortran check really correct?  I
> mean, it should be .F to have the preprocessor run.

That's what it should be doing.  _AC_PROG_FC does:

ac_save_ext=$ac_ext
ac_ext=F
_AC_LANG_COMPILER_GNU
ac_ext=$ac_save_ext

When I create a sample configure script on my machine, it does indeed use
.F for this test; can you replicate the .f behavior?

> Arg.  Sander, could you dig into your fort77 documentation to find
> whether there is an option to accept the freeform?
> 
> Steven, do you believe that it is possible that some compiler do not
> support such an option?  In this case, at least for the sake of the
> test suite, this AC_MSG_ERROR should exit 77, not exit 1.

I know of at least one compiler (VAST f90) that does not.  Also, some
F77 compilers may not.  Ok.

Sander wrote:
> Furthermore the fort77 script indeed has an option to set freeform
> code. This is the same option as used for f2c and is '-f'.

Ok.

See attached patch.

Steven


2003-10-02  Steven G. Johnson  <address@hidden>

        * lib/autoconf/fortran.m4 (AC_FC_FREEFORM): Exit 77 upon failure
        to fix test suite for non-freeform-supporting compilers.  Support
        -f freeform option for f2c/fort77 (thanks to Sander Niemeijer).

diff.out
Description: Text document