I had a problem today with ExtUtils::F77.
In one machine I have installed perl 5.20.3 and 5.22.1 with perlbrew,
and I installed ExtUtils::F77 version 1.17 with the former and 1.19
with the latter. Consider the following:
  $ perlbrew use perlbrew use perl-5.20.3
  $ perl -MExtUtils::F77 -E ''
  ExtUtils::F77: Version 1.17
  Loaded ExtUtils::F77 version 1.17
  Found compiler f77
  Found compiler gfortran
  ExtUtils::F77: Using system=Linux compiler=GNU
  Runtime: -L/usr/lib/gcc/x86_64-linux-gnu/5 -L/usr/lib -lgfortran -lm
  ...
  $ perlbrew use perl-5.22.1
  $ perl -MExtUtils::F77 -E 
  ExtUtils::F77: Version 1.19
  Loaded ExtUtils::F77 version 1.19
  Found compiler f77
  Found compiler gfortran
  ExtUtils::F77: gfortran version 5.3.1
  ExtUtils::F77: gfortran version 5.3.1
  ExtUtils::F77: Using system=Linux compiler=GNU
  Runtime: -L/usr/lib/gcc/x86_64-linux-gnu/5 -lgcc_ext.10.5 -lgcc_s.10.5 
-lquadmath -L/usr/lib -lgfortran -lm

The problem is that in the second case the Runtime includes the
libraries -lgcc_ext.10.5 -lgcc_s.10.5 which are not in my system! This
makes some of my programs to fail.
I guess the problem is related to the newer version
of ExtUtils::F77 and not to the newer version of perl.

Any suggestions?

Regards,
Luis




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