use AC_PROG_FC to set Fortran compiler in configure.ac
We have to set the Fortran compiler with
libtool we run into a ugly
libtool bug and get the error message
libtool: link: unsupported hardcode properties libtool: link: See the libtool documentation for more information. libtool: link: Fatal configuration error.
if we try to compile the Fortran examples serial.
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