From 39525c52d8540a2e4103e09a7fde4553cec9be25 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Cillian=20de=20R=C3=B3iste?= <goibhniu@fsfe.org>
Date: Wed, 30 Oct 2013 00:00:46 +0100
Subject: [PATCH] MilkyTracker: fix build, use system zlib and decompressor
 patch

Also add JACK support
---
 .../milkytracker/decompressor_gzip.patch      | 20 ++++++++++++++++
 .../audio/milkytracker/default.nix            | 23 ++++++-------------
 2 files changed, 27 insertions(+), 16 deletions(-)
 create mode 100644 pkgs/applications/audio/milkytracker/decompressor_gzip.patch

diff --git a/pkgs/applications/audio/milkytracker/decompressor_gzip.patch b/pkgs/applications/audio/milkytracker/decompressor_gzip.patch
new file mode 100644
index 000000000000..c64421116dea
--- /dev/null
+++ b/pkgs/applications/audio/milkytracker/decompressor_gzip.patch
@@ -0,0 +1,20 @@
+https://bugs.archlinux.org/task/31324
+https://410333.bugs.gentoo.org/attachment.cgi?id=322456
+
+diff -ur src.old/compression/DecompressorGZIP.cpp src/compression/DecompressorGZIP.cpp
+--- src.old/compression/DecompressorGZIP.cpp	2012-08-28 17:54:46.000000000 +0200
++++ src/compression/DecompressorGZIP.cpp	2012-08-28 17:55:21.000000000 +0200
+@@ -57,11 +57,11 @@
+ 	
+ bool DecompressorGZIP::decompress(const PPSystemString& outFileName, Hints hint)
+ {
+-    gzFile *gz_input_file = NULL;
++    gzFile gz_input_file = NULL;
+ 	int len = 0;
+ 	pp_uint8 *buf;
+ 	
+-	if ((gz_input_file = (void **)gzopen (fileName.getStrBuffer(), "r")) == NULL)
++	if ((gz_input_file = gzopen (fileName.getStrBuffer(), "r")) == NULL)
+ 		return false;
+ 	
+ 	if ((buf = new pp_uint8[0x10000]) == NULL)
diff --git a/pkgs/applications/audio/milkytracker/default.nix b/pkgs/applications/audio/milkytracker/default.nix
index c0ce0058ba42..3a464fb9fdb9 100644
--- a/pkgs/applications/audio/milkytracker/default.nix
+++ b/pkgs/applications/audio/milkytracker/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, alsaLib, SDL, automake, autoconf, perl}:
+{ stdenv, fetchurl, alsaLib, SDL, automake, autoconf, jackaudio, perl, zlib, zziplib }:
 
 stdenv.mkDerivation rec {
   version = "0.90.85";
@@ -20,26 +20,17 @@ stdenv.mkDerivation rec {
     sha256 = "0gwd4zslbd8kih80k4v7n2c65kvm2cq3kl6d7y33z1l007vzyvf6";
   };
 
-  preConfigure = ''
-   patch ./src/tracker/sdl/SDL_Main.cpp < ${fix_64bit_patch}
-   patch < ${no_zzip_patch}
+  patchPhase = ''
+    patch ./src/tracker/sdl/SDL_Main.cpp < ${fix_64bit_patch}
+    patch < ${no_zzip_patch}
+    patch ./src/compression/DecompressorGZIP.cpp < ${./decompressor_gzip.patch}
   '';
 
-  # There's a zlib version included with milkytracker,
-  # but there's no makefiles for it. I've only included
-  # the header here, but it fails at link-time with
-  # several 'undefined reference' errors, which simply
-  # means it can't find the definitions, e.g. compiled
-  # zlib.
-  # There's bug reports on other package systems although
-  # unfortunately still unresolved.
-  # https://bugs.archlinux.org/task/31324
-  # http://lists.freebsd.org/pipermail/freebsd-ports/2013-March/082180.html
   preBuild=''
-    export CPATH="`pwd`/src/compression/zlib/generic"
+    export CPATH=${zlib}/lib
   '';
 
-  buildInputs = [ alsaLib SDL automake autoconf perl];
+  buildInputs = [ alsaLib SDL automake autoconf jackaudio perl zlib zziplib ];
 
   meta = {
     description = "Music tracker application, similar to Fasttracker II.";