$OpenBSD: patch-Makefile_PL,v 1.4 2008/10/10 12:12:07 jasper Exp $
--- Makefile.PL.orig	Fri Oct 10 13:52:55 2008
+++ Makefile.PL	Fri Oct 10 13:53:31 2008
@@ -8,7 +8,8 @@ my $output = WriteMakefile
 	(
 	 'NAME'	        => 'Math::GMP',
 	 'VERSION_FROM' => 'lib/Math/GMP.pm',
-	 'LIBS'	        => ['-lgmp'],
+	 'LIBS'		=> ["$ENV{LDFLAGS} -lgmp"],
+	 'INC'		=> "$ENV{CPPFLAGS}",
 	 'NO_META'      => 1,
 	 );