$OpenBSD: patch-PNG_Makefile_PL,v 1.2 2007/06/02 14:54:53 ajacoutot Exp $
--- PNG/Makefile.PL.orig	Tue Dec 30 11:45:03 2003
+++ PNG/Makefile.PL	Sat Jun  2 16:10:46 2007
@@ -15,7 +15,7 @@ foreach my $file (qw(zlib/Makefile.PL libpng/Makefile.
  }
 
 if ($Tk::MMtry::VERSION ge '4.007' &&
-    try_run("config/has_png.c",['-I/usr/local/include'],['-lpng -lz -lm']))
+    try_run("config/has_png.c",['-I%%LOCALBASE%%/include/libpng'],['-L%%LOCALBASE%%/lib -lpng -lz -lm']))
  {
   Tk::MMutil::TkExtMakefile(
        NAME         => 'Tk::PNG',
@@ -23,8 +23,8 @@ if ($Tk::MMtry::VERSION ge '4.007' &&
        XS_VERSION   => $Tk::Config::VERSION,
        dist         => { COMPRESS => 'gzip -f9', SUFFIX => '.gz' },
        OBJECT       => '$(O_FILES)',
-       INC          => '-I/usr/local/include',
-       LIBS         => ['-lpng -lz -lm'],
+       INC          => '-I%%LOCALBASE%%/include/libpng',
+       LIBS         => ['-L%%LOCALBASE%%/lib -lpng -lz -lm'],
      );
  }
 else