Cygwin 环境下安装 Gtk2

这里的 Gtk2 是指 Perl 的 Gtk2 模块，Cygwin 环境下通过 CPAN 是无法直接安装的，需要修改了 Makefile.PL 之后手动安装。

--- Makefile.PL 2006/11/06 00:35:44 1.1
+++ Makefile.PL 2006/11/06 10:24:38
@@ -331,10 +331,6 @@
 
 # this probably needs to go into ExtUtils::Depends.
 sub find_extra_libs {
- # right now we need this terrible hack only for windows.
- # unfortunately, this code doesn't work on cygwin.  :-/
- return "" unless $^O eq "MSWin32";
-
  # win32 does not allow unresolved symbols in libraries, but
  # Gtk2 uses on symbols in the dll created for Glib.
  # so, we have to break all this nice abstraction and encapsulation
@@ -346,10 +342,19 @@
  my $retstring = "";
 
  use File::Find;
- find (sub {
-   $retstring .= " ".$File::Find::name
-    if /Glib.lib/i;
-  }, @INC);
+
+ if ($^O eq "MSWin32") {
+  find (sub {
+    $retstring .= " ".$File::Find::name
+     if /Glib\.lib/i;
+   }, @INC);
+ } elsif ($^O eq "cygwin") {
+  find (sub {
+    $retstring .= " -L".$File::Find::dir
+     if /libGlib\.dll\.a/i;
+   }, @INC);
+  $retstring .= " -lGlib.dll" if ($retstring ne "");
+ }
 
  return $retstring;
 }

这是 Dirk Froemberg 向 Torsten Schoenfeld 提交的 patch，到现在为止还没有被合并进 source。

参考链接：
http://bugzilla.gnome.org