#!/usr/bin/perl -w
#
# script to configure hoppet. To find out more type
#
# ./configure --help 
#
# GPS created 2009-09-05
#----------------------------------------------------------------------
use Cwd;

$usage="
Usage: 
  ./configure [--prefix=...] [FC='...'] [FFLAGS='...'] [LDFLAGS='...']

  --prefix='...'      sets the location for installation
  FC='...'            sets the fortran (and f90) compiler
  FFLAGS='...'        sets the fortran (and f90) compiler options
  LDLAGS='...'        sets the link options
";



if ($#ARGV >=0 && ($ARGV[0] eq "-h" || $ARGV[0] eq "--help")) {
  print "$usage";
  exit;
}

foreach (@ARGV) {push @args, "\"".$_."\"";}

@dirs=split(" ","src example_f90 benchmarking benchmarking/test_acc");

$topdir = getcwd;


chdir "src";

# now generate the makefiles
foreach $dir (@dirs) {
  chdir $dir;
  print "Creating makefile in ".getcwd."\n";
  # find out what we're already up to
  $mkmk=`grep -v '^#' mkmk | grep makef95makefile`;
  chomp($mkmk);
  $mkmk =~ s/\$[^ ]+//g;
  $mkmk =~ s/-remake.*//;
  $mkmk .= " ".join(" ",@args);
  #print $mkmk."\n";
  system($mkmk);
  chdir $topdir;
}

# write a file config.log
open (LOG,">config.log") || die "Could not open config.log";
print LOG "# the last configure that was run was\n";
print LOG "$0 ".join(" ",@args)."\n";
close LOG;