/ 
Geo-IP-1.36
River stage two • 10 direct dependents • 12 total dependents
/ Makefile.PL 
# Test for existence of libGeoIP
my $found = 0;
foreach (split(/\s+/, $Config{libpth})) {
  if (-f "$_/libGeoIP." . $Config{so}) {
    $found = 1;
    last;
  }
}