Re: BUG: AC_PROG_FC does not define GCF when compiler is gfortran

[Stefano Lattarini]

On 06/16/2012 08:50 AM, Fabrício Zimmerer Murta wrote:
> If I read 
> http://www.gnu.org/software/autoconf/manual/autoconf.html#Specifying-Target-Triplets,
>  I read:
> If using gfortran or g77 (the GNU Fortran compilers), then set the shell 
> variable GFC to ‘yes’.
> If the output variable FCFLAGS was not already set in the environment, then 
> set it to -g -02 for
> GNU g77 (or -O2 where g77 does not accept -g). Otherwise, set FCFLAGS to -g 
> for all other Fortran
> compilers.
> 
> But this is not what happens. There’s no code on fortran.m4 to fill such 
> variable, as there’s for
> GCC and G77 variables. This should be simple to fix and be present on a next 
> variable.
> I found this while adequating configure.ac for cross-compiling. I realised 
> that just checking
> for ‘gcc’ ‘icc’ ‘gfortran’ ‘ifort’ is not enough to define the compiler, as 
> the host might be
> attached to it, so I found GFC variable interesting to define for the GNU 
> versions. I will be
> using ac_cv_fc_compiler_gnu for now.
> 
> I hope this information helps!
> 
> - fabrício
>
This is an autoconf issue, not an automake one.

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Regards,
  Stefano