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use strict;
use Config;
use ExtUtils::MakeMaker;
use File::Spec::Functions;
print "Looking for dot... ";
my $found = find("dot");
if ($found) {
print "found it at $found\n";
} else {
print "didn't find it\n";
die "****************************************************************
GraphViz.pm has not been able to find the graphviz program 'dot'
GraphViz.pm needs graphviz to function
Please install graphviz first: http://www.graphviz.org/
****************************************************************\n";
}
WriteMakefile(
'NAME' => 'GraphViz',
'VERSION_FROM' => 'lib/GraphViz.pm', # finds $VERSION
'PREREQ_PM' => {
'IPC::Run' => 0.6,
'Test::More' => 0,
},
'dist' => { COMPRESS => 'gzip -9f', SUFFIX => 'gz', },
);
sub find {
my $binary = shift;
my $path = join ', ', @ENV{PATH};
my $path_sep = $Config{path_sep};
my $exe_ext = $Config{exe_ext};
foreach my $dir (split $path_sep, @ENV{PATH}) {
my $filename = catfile($dir, $binary);
return $filename if -x "$filename$exe_ext";
}
return 0;
}
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