add widelands

default.nix

@@ -37,4 +37,6 @@ self: super:
   squashfs-avm-be = super.callPackage ./pkgs/squashfs-avm-be/default.nix { };
 
   ui = super.callPackage ./pkgs/nim-packages/ui.nix { };
+
+  widelands = super.callPackage ./pkgs/widelands/default.nix { };
 }

pkgs/widelands/bincmake.patch

@@ -0,0 +1,21 @@
+--- a/CMakeLists.txt
++++ b/CMakeLists.txt
+@@ -25,6 +25,8 @@
+ # Packagers (or people using make install) have to set this variable to an absolute path.
+ wl_set_if_unset(WL_INSTALL_DATADIR "./data")
+ 
++wl_set_if_unset(WL_INSTALL_BINARY "./bin")
++
+ if("${CMAKE_CXX_COMPILER_ID}" STREQUAL "GNU")
+   if (CMAKE_CXX_COMPILER_VERSION VERSION_LESS 4.7)
+     message(FATAL_ERROR "Widelands needs GCC >= 4.7 to compile.")
+
+--- a/cmake/WlFunctions.cmake
++++ b/cmake/WlFunctions.cmake
+@@ -276,5 +276,5 @@
+ 
+   #Quoting the CMake documentation on DESTINATION:
+   #"If a relative path is given it is interpreted relative to the value of CMAKE_INSTALL_PREFIX"
+-  install(TARGETS ${NAME} DESTINATION "." COMPONENT ExecutableFiles)
++  install(TARGETS ${NAME} DESTINATION ${WL_INSTALL_BINARY} COMPONENT ExecutableFiles)
+ endfunction()

pkgs/widelands/default.nix

@@ -0,0 +1,52 @@
+{ lib, stdenv, fetchurl, cmake, python, gettext
+, boost, libpng, zlib, glew, lua, doxygen, icu
+, SDL2, SDL2_image, SDL2_mixer, SDL2_net, SDL2_ttf
+}:
+
+stdenv.mkDerivation rec {
+  pname = "widelands";
+  version = "21";
+
+  meta = with lib; {
+    description = "RTS with multiple-goods economy";
+    homepage    = "http://widelands.org/";
+    longDescription = ''
+      Widelands is a real time strategy game based on "The Settlers" and "The
+      Settlers II". It has a single player campaign mode, as well as a networked
+      multiplayer mode.
+    '';
+    license        = licenses.gpl2Plus;
+    platforms      = platforms.linux;
+    maintainers    = with maintainers; [ raskin jcumming ];
+    hydraPlatforms = [];
+  };
+
+  patches = [
+    ./bincmake.patch
+  ];
+
+  src = fetchurl {
+    url = "https://launchpad.net/widelands/build${version}/build${version}/+download/widelands-build${version}-source.tar.gz";
+    sha256 = "sha256-YB4OTG+Rs/sOzizRuD7PsCNEobkZT7tw7z9w4GmU41c=";
+  };
+
+  preConfigure = ''
+    cmakeFlags="
+      -DWL_INSTALL_BASEDIR=$out
+      -DWL_INSTALL_DATADIR=$out/share/widelands
+      -DWL_INSTALL_BINARY=$out/bin
+    "
+  '';
+
+  nativeBuildInputs = [ cmake python gettext ];
+
+  buildInputs = [
+    boost libpng zlib glew lua doxygen icu
+    SDL2 SDL2_image SDL2_mixer SDL2_net SDL2_ttf
+  ];
+
+  postInstall = ''
+    mkdir -p "$out/share/applications/"
+    cp -v "../xdg/org.widelands.Widelands.desktop" "$out/share/applications/"
+  '';
+}