dnl ######################################################################dnldnl File:       fc.m4dnldnl Purpose:    Determine F90 (a.k.a. FC) compilers.dnldnl Version:    $Id: fc.m4,v 1.2 2005/07/13 00:02:25 kruger Exp $dnldnl Copyright Tech-X Corporation, 2001-2005.  Redistribution alloweddnl provided this copyright statement remains intact.dnldnl ######################################################################dnl ----------------------------------------------------------------------dnl dnl  See README.fortrandnl  Relevant files:dnl   f77.m4, f77flags.m4, f77interop.m4, mpif77.m4dnl   fc.m4, fcflags.m4, fcinterop.m4, mpif90.m4dnldnl Set the variable:dnl     FCdnldnl     Notes:dnl        o See fcflags.m4 for setting the flags.  The separation is dnl          done to make the configure flags more intuitivednldnl ----------------------------------------------------------------------dnl ----------------------------------------------------------------------dnl  allow flags or environment to overwrite variablesdnl ----------------------------------------------------------------------AC_ARG_WITH(FC,[  --with-FC=MyF90   to use MyF90 instead of the default Fortran compiler],FC="$withval")AC_MSG_CHECKING(for F90 compilers )dnl ----------------------------------------------------------------------dnl Set up default valuesdnl ----------------------------------------------------------------------if test "$FC" != none; then  dnl Check whether an absolute path  if test -n "$FC"; then    absp=`echo "$FC" | grep ^/`  fi  if test -n "$absp"; then    exists=`ls $FC`    if test -z $exists; then      AC_MSG_ERROR($FC does not exist.)    fi  dnl Not an absolute path, so must find  else  dnl Allow additional places to look for FC    AC_ARG_WITH(FC_PATH,[  --with-FC_PATH=<F90 compiler directory>     to set root for f90 installation], F90_PATH="$withval")dnl First look in path, dnl  then system paths, then paths for compilersdnl that work on more than one platform.  Thus give user the preference,dnl then the systems (which are ignored on other systems), then the generic    if test -z "$FC_PATH"; then      FC_PATH=$PATH:/usr/local/lf9562/bin:/opt/SUNWspro/bin:/usr/local/intel_fc_80/bin:/usr/local/pgi/linux86/bin:/usr/absoft/bin:/Applications/Absoft/bin    fidnl Look for specified compiler or else any of those supported    if test -n "$FC"; then      FCS=$FC    else      FCS="lf95 pgf90 xlf90 ifort ifc f90"    fi      AC_PATH_PROGS(FC, $FCS, "", $FC_PATH)  fi    if test -n "$FC"; then    AC_MSG_RESULT(... $FC)    AC_SUBST(FC)    FC_BINDIR=`dirname $FC`    echo Using F90 compiler $FC.  else    AC_MSG_WARN(Unable to find f90 in your path.  F90 modules will not compile.)  fielse  FC=""  AC_MSG_WARN(F90 specified as none.  F90 modules will not compile.)fidnl ----------------------------------------------------------------------dnl exportdnl ----------------------------------------------------------------------AC_MSG_RESULT($FC)AC_SUBST(FC)dnl ----------------------------------------------------------------------dnl FC_BASE is in case the FC flag gets overwritten by mpif90dnl ----------------------------------------------------------------------FC_BASE=`basename $FC`AC_SUBST(FC_BASE)