$NetBSD: patch-ad,v 1.6 2014/11/13 08:30:16 markd Exp $

--- PNG/Makefile.PL.orig	2013-11-18 09:04:04.000000000 +0000
+++ PNG/Makefile.PL
@@ -2,7 +2,6 @@
 use strict;
 use Tk::MMutil;
 use Tk::Config ();
-use Tk::MMtry;
 use File::Copy;
 
 my $l = $Config::Config{'lib_ext'};
@@ -53,8 +52,6 @@ my $all_libs;
  $all_libs   = "$libpng_libs $zlib_libs";
 }
 
-if ($Tk::MMtry::VERSION ge '4.007' &&
-    try_run("config/has_png.c",[$all_cflags],[$all_libs]))
  {
   warn "Using system's -lpng\n";
   Tk::MMutil::TkExtMakefile(
@@ -67,49 +64,6 @@ if ($Tk::MMtry::VERSION ge '4.007' &&
        LIBS         => [$all_libs],
      );
  }
-else
- {
-  my $ok = 1;
-  unless (copy("Makefile.libpng.maybe","libpng/Makefile.PL"))
-   {
-    warn "Cannot copy Makefile.libpng.maybe => libpng/Makefile.PL ($!)";
-    $ok = 0;
-   }
-  unless (copy("Makefile.zlib.maybe","zlib/Makefile.PL"))
-   {
-    warn "Cannot copy Makefile.zlib.maybe => zlib/Makefile.PL ($!)";
-    $ok = 0;
-   }
-  if ($ok)
-   {
-    warn "Building libpng$l\n";
-    my $extlib = "libpng/libpng$l";
-    if ($cc eq 'cl')
-     {
-      $extlib .= " zlib/zlib$l";
-      $zlib   = "zlib$l";
-     }
-    else
-     {
-      $extlib .= " zlib/libz$l";
-     }
-    Tk::MMutil::TkExtMakefile(
-           NAME         => 'Tk::PNG',
-           VERSION_FROM => 'PNG.pm',
-           XS_VERSION   => $Tk::Config::VERSION,
-           dist         => { COMPRESS => 'gzip -f9', SUFFIX => '.gz' },
-           OBJECT       => '$(O_FILES)',
-           INC          => '-Ilibpng -Izlib',
-           MYEXTLIB     => $extlib,
-           LIBS         => ['-lm'],
-         );
-    }
-   else
-    {
-     warn "Cannot build libpng$l\n";
-     ExtUtils::MakeMaker::WriteEmptyMakefile();
-    }
- }
 
 sub MY::test_via_harness
 {