Adding two NES emulators. Because of them, I made allegro build the allegrogl library. I also added the HawkNL library.

svn path=/nixpkgs/trunk/; revision=26517

pkgs/development/libraries/allegro/default.nix

···
 x@{builderDefsPackage
   , texinfo, libXext, xextproto, libX11, xproto, libXpm, libXt, libXcursor
   , alsaLib, cmake, zlib, libpng, libvorbis, libXxf86dga, libXxf86misc
-  , xf86dgaproto, xf86miscproto, xf86vidmodeproto, libXxf86vm, openal
+  , xf86dgaproto, xf86miscproto, xf86vidmodeproto, libXxf86vm, openal, mesa
   , ...}:
 builderDefsPackage
 (a :  

pkgs/development/libraries/hawknl/default.nix

···
+{stdenv, fetchurl, unzip}:
+
+stdenv.mkDerivation {
+	name = "hawknl-1.34";
+	src = fetchurl {
+		url = http://hawksoft.com/download/files/HawkNL168src.zip;
+		sha256 = "11shn2fbxj3w0j77w0234pqyj1368x686kkgv09q5yqhi1cdp028";
+	};
+
+  buildInputs = [ unzip ];
+
+  makefile = "makefile.linux";
+
+  patchPhase = ''
+    sed -i s/soname,NL/soname,libNL/ src/makefile.linux
+  '';
+
+  preInstall = ''
+    sed -i s,/usr/local,$out, src/makefile.linux
+    ensureDir $out/lib $out/include
+  '';
+
+  meta = {
+    homepage = http://hawksoft.com/hawknl/;
+    description = "Free, open source, game oriented network API";
+    license = "LGPLv2+";
+  };
+}

pkgs/misc/emulators/darcnes/default.nix

···
+{stdenv, fetchurl, libX11, libXt, libXext, libXaw }:
+
+assert stdenv.system == "i686-linux";
+
+stdenv.mkDerivation { 
+  name = "darnes-9b0401";
+  src = fetchurl {
+    url = http://www.dridus.com/~nyef/darcnes/download/dn9b0401.tgz;
+    sha256 = "05a7mh51rg7ydb414m3p5mm05p4nz2bgvspqzwm3bhbj7zz543k3";
+  };
+
+  buildInputs = [ libX11 libXt libXext libXaw ];
+
+  installPhase = ''
+    ensureDir $out/bin
+    cp darcnes $out/bin
+  '';
+
+  patches = [ ./label.patch ];
+
+  meta = {
+    homepage = http://www.dridus.com/~nyef/darcnes/;
+    description = "Multi-System emulator, specially for NES";
+    /* Prohibited commercial use, credit required. */
+    license = "free";
+  };
+
+}

pkgs/misc/emulators/darcnes/label.patch

···
+http://gentoo-overlays.zugaina.org/funtoo/portage/games-emulation/darcnes/files/darcnes-0401-exec-stack.patch
+
+diff -Naur old/video_x.c new/video_x.c
+--- old/video_x.c	2004-09-04 01:26:41.102187277 +0200
++++ new/video_x.c	2004-09-04 01:27:51.586427427 +0200
+@@ -366,6 +366,7 @@
+ 	}
+ 	
+     default:
++    	break;
+     }
+ }
+ 

pkgs/misc/emulators/fakenes/build.patch

···
+diff --git a/build/openal.cbd b/build/openal.cbd
+index d18e62d..74af061 100644
+--- a/build/openal.cbd
++++ b/build/openal.cbd
+@@ -23,7 +23,7 @@ CFLAGS += ' -DUSE_OPENAL'
+ # --
+ 
+ do ifplat unix
+-   LDFLAGS += ' `openal-config --libs`'
++   LDFLAGS += ' -lopenal'
+ else
+    LDFLAGS += ' -lOpenAL32'
+ done
+diff --git a/build/alleggl.cbd b/build/alleggl.cbd
+index e2708ff..e826371 100644
+--- a/build/alleggl.cbd
++++ b/build/alleggl.cbd
+@@ -22,7 +22,7 @@ CFLAGS += ' -DUSE_ALLEGROGL'
+ 
+ # --
+ 
+-LIBAGL = agl
++LIBAGL = alleggl
+ 
+ ifopt debug LIBAGL = 'agld'
+
+diff --git a/src/apu.cpp b/src/apu.cpp
+index af59f1c..893a798 100644
+--- a/src/apu.cpp
++++ b/src/apu.cpp
+@@ -1930,7 +1930,7 @@ static void amplify(real& sample)
+          gain -= releaseRate;
+       }
+ 
+-      real output = (1.0 / max(gain, EPSILON));
++      real output = (1.0 / MAX(gain, EPSILON));
+       output = fixf(output, apu_agc_gain_floor, apu_agc_gain_ceiling);
+       sample *= output;
+    }
+diff --git a/src/audio.cpp b/src/audio.cpp
+index b9650dc..c21c05e 100644
+--- a/src/audio.cpp
++++ b/src/audio.cpp
+@@ -7,6 +7,7 @@
+    You must read and accept the license prior to use. */
+ 
+ #include <allegro.h>
++#include <cstdio>
+ #include <cstdlib>
+ #include <cstring>
+ #include <vector>
+@@ -234,7 +235,7 @@ void audio_update(void)
+          const unsigned queuedFrames = (audioQueue.size() / audio_channels);
+          if(queuedFrames > 0) {
+             // Determine how many frames we want to make room for.
+-            const unsigned framesToAdd = min(queuedFrames, audio_buffer_size_frames);
++            const unsigned framesToAdd = MIN(queuedFrames, audio_buffer_size_frames);
+             // Make room for the frames in the buffer.
+             const unsigned framesToMove = (audioBufferedFrames - framesToAdd);
+             if(framesToMove > 0) {
+@@ -258,7 +259,7 @@ void audio_update(void)
+          // Determine how many frames are available in the buffer.
+          const unsigned bufferableFrames = (audio_buffer_size_frames - audioBufferedFrames);
+          // Determine the number of frames to copy to the buffer.
+-         const unsigned framesToCopy = min(queuedFrames, bufferableFrames);
++         const unsigned framesToCopy = MIN(queuedFrames, bufferableFrames);
+ 
+          // Copy frames to the buffer.
+          for(unsigned frame = 0; frame < framesToCopy; frame++) {
+diff --git a/src/include/common.h b/src/include/common.h
+index be28795..e2d21d1 100644
+--- a/src/include/common.h
++++ b/src/include/common.h
+@@ -41,8 +41,10 @@ extern "C" {
+ #define true   TRUE
+ #define false  FALSE
+ 
++/*
+ #define min(x,y)   MIN((x),(y))
+ #define max(x,y)   MAX((x),(y))
++*/
+ 
+ #define true_or_false(x)   ((x) ? true : false)
+ 

pkgs/misc/emulators/fakenes/default.nix

···
+{stdenv, fetchurl, allegro, openal, mesa, zlib, hawknl, freeglut, libX11,
+  libXxf86vm, libXcursor, libXpm }:
+
+stdenv.mkDerivation { 
+  name = "fakenes-0.5.9b3";
+  src = fetchurl {
+    url = mirror://sourceforge/fakenes/fakenes-0.5.9-beta3.tar.gz;
+    sha256 = "026h67s4pzc1vma59pmzk02iy379255qbai2q74wln9bxqcpniy4";
+  };
+
+  buildInputs = [ allegro openal mesa zlib hawknl freeglut libX11
+    libXxf86vm libXcursor libXpm ];
+
+  installPhase = ''
+    ensureDir $out/bin
+    cp fakenes $out/bin
+  '';
+
+  NIX_LDFLAGS = "-lX11 -lXxf86vm -lXcursor -lXpm"; 
+
+  patches = [ ./build.patch ];
+
+  meta = {
+    homepage = http://fakenes.sourceforge.net/;
+    license = "GPLv2+";
+    description = "Portable Open Source NES Emulator";
+  };
+}

pkgs/top-level/all-packages.nix

···
   # TODO : Add MIT Kerberos and let admin choose.
   kerberos = heimdal;
 
+  hawknl = callPackage ../development/libraries/hawknl { };
+
   heimdal = callPackage ../development/libraries/kerberos/heimdal.nix { };
 
   herqqSvn = callPackage ../development/libraries/herqq/svn.nix { };
···
 
   cupsBjnp = callPackage ../misc/cups/drivers/cups-bjnp { };
 
+  darcnes = callPackage ../misc/emulators/darcnes { };
+
   dblatex = callPackage ../misc/tex/dblatex { };
 
   dosbox = callPackage ../misc/emulators/dosbox { };
···
   ekiga = newScope (pkgs.gtkLibs // pkgs.gnome) ../applications/networking/ekiga { };
 
   electricsheep = callPackage ../misc/screensavers/electricsheep { };
+
+  fakenes = callPackage ../misc/emulators/fakenes { };
 
   foldingathome = callPackage ../misc/foldingathome { };