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#!/usr/bin/perl -w |
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# Determine which compilers are installed; then set make variables to indicate that |
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use constant ICCMAJOR => 9; |
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use constant ICCMINOR => 0; |
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use constant IFORTMAJOR => 9; |
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use constant IFORTMINOR => 0; |
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use constant GCCMAJOR => 4; |
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use constant GCCMINOR => 0; |
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use constant GFORTMAJOR => 4; |
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use constant GFORTMINOR => 2; |
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my($arg); |
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my($pos); |
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my($outfile); |
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my($major); |
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my($minor); |
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my($hasicc); |
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my($hasifort); |
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my($hasgcc); |
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my($hasgfort); |
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while ($arg = shift(@ARGV)) |
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{ |
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if (($pos = index($arg, "-f", 0)) == 0) |
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{ |
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$outfile = substr($arg, 2); |
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} |
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} |
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$hasicc = 0; |
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$hasifort = 0; |
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$hasgcc = 0; |
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$hasgfort = 0; |
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if (defined($outfile)) |
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{ |
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# Try icc |
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$ans = `icc -V 2>&1`; |
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if ($ans =~ /Version\s+(\d+)\.(\d+)/) |
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{ |
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$major = $1; |
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$minor = $2; |
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if (IsVersion($major, $minor, ICCMAJOR, ICCMINOR)) |
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{ |
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$hasicc = 1; |
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} |
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} |
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# Try gcc |
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if (!$hasicc) |
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{ |
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$ans = `gcc -v 2>&1`; |
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if ($ans =~ /gcc\s+version\s+(\d+)\.(\d+)/) |
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{ |
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$major = $1; |
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$minor = $2; |
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if (IsVersion($major, $minor, GCCMAJOR, GCCMINOR)) |
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{ |
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$hasgcc = 1; |
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} |
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} |
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} |
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# Try ifort |
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$ans = `ifort -V 2>&1`; |
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if ($ans =~ /Version\s+(\d+)\.(\d+)/) |
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{ |
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$major = $1; |
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$minor = $2; |
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if (IsVersion($major, $minor, IFORTMAJOR, IFORTMINOR)) |
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{ |
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$hasifort = 1; |
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} |
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} |
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# Try gfortran |
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if (!$hasifort) |
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{ |
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$ans = `gfortran -v 2>&1`; |
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if ($ans =~ /gcc\s+version\s+(\d+)\.(\d+)/) |
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{ |
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$major = $1; |
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$minor = $2; |
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if (IsVersion($major, $minor, GFORTMAJOR, GFORTMINOR)) |
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{ |
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$hasgfort = 1; |
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} |
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} |
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} |
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open(OUTFILE, ">>$outfile") || die "Couldn't open file $outfile for writing.\n"; |
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# Error messages |
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if (!$hasicc && !$hasgcc) |
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{ |
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print "ERROR: Acceptable C compiler not found!\n"; |
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} |
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elsif ($hasicc) |
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{ |
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print OUTFILE "AUTOCOMPILER = icc\n"; |
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} |
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else |
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{ |
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print OUTFILE "AUTOCOMPILER = gcc\n"; |
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} |
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if (!$hasifort && !$hasgfort) |
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{ |
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print "ERROR: Acceptable Fortran compiler not found!\n"; |
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} |
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elsif ($hasifort) |
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{ |
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print OUTFILE "AUTOFCOMPILER = ifort\n"; |
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} |
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else |
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{ |
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print OUTFILE "AUTOFCOMPILER = gfortran\n"; |
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} |
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close(OUTFILE); |
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} |
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sub IsVersion |
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{ |
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my($maj1) = $_[0]; |
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my($min1) = $_[1]; |
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my($maj2) = $_[2]; |
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my($min2) = $_[3]; |
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my($res) = 0; |
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if ($maj1 > $maj2 || ($maj1 == $maj2 && $min1 >= $min2)) |
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{ |
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$res = 1; |
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} |
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return $res; |
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} |
