Patch to add MuseScore

pkgs/applications/audio/musescore/default.nix

@@ -0,0 +1,43 @@
+{ stdenv, fetchurl, alsaLib, cmake, freetype, jackaudio, libsndfile
+, pkgconfig, portaudio, qt4 }:
+
+stdenv.mkDerivation rec {
+  version = "1.2";
+  name = "musescore-${version}";
+
+  src = fetchurl {
+    url = "mirror://sourceforge/mscore/mscore-${version}-nopdf.tar.bz2";
+    sha256 = "05h2ika0qyqa5xd03nd45acsfpq8brkd5b4ca4n6n7cljyb0sjrc";
+  };
+
+  buildInputs = 
+    [ alsaLib cmake freetype libsndfile pkgconfig portaudio qt4
+      jackaudio ];
+
+  # Thanks Gentoo!
+  # http://sources.gentoo.org/cgi-bin/viewvc.cgi/gentoo-x86/media-sound/musescore/files/musescore-1.2-cflags.patch
+  patches = [ ./musescore-1.2-cflags.patch ];
+
+  preConfigure = ''
+    cd mscore
+    sed -e "s@/usr/include/freetype2@${freetype}/include/freetype2@" \
+      -i mscore/CMakeLists.txt
+  '';
+
+  buildPhase = "make -f Makefile";
+
+  installPhase = ''
+    mkdir -p $out/bin
+    cp mscore/mscore $out/bin
+    mkdir -p $out/share/mscore-1.2
+    cp -r share/* $out/share/mscore-1.2/
+  '';
+
+  meta = with stdenv.lib; {
+    description = "Music composition & notation software";
+    homepage = http://musescore.org;
+    license = licenses.gpl2;
+    platforms = platforms.linux;
+    maintainers = [ maintainers.goibhniu ];
+  };
+}

pkgs/applications/audio/musescore/musescore-1.2-cflags.patch

@@ -0,0 +1,64 @@
+--- mscore-1.2/mscore/al/CMakeLists.txt
++++ mscore-1.2/mscore/al/CMakeLists.txt
+@@ -42,7 +42,7 @@
+
+ set_source_files_properties(
+    dsp.cpp xml.cpp tempo.cpp sig.cpp pos.cpp fraction.cpp
+-   PROPERTIES COMPILE_FLAGS "-include ${PROJECT_BINARY_DIR}/all.h -g -Wall -Wextra -Winvalid-pch"
++   PROPERTIES COMPILE_FLAGS "-include ${PROJECT_BINARY_DIR}/all.h -Wall -Wextra -Winvalid-pch"
+    )
+
+ set_source_files_properties(dspSSE.cpp
+--- mscore-1.2/mscore/awl/CMakeLists.txt
++++ mscore-1.2/mscore/awl/CMakeLists.txt
+@@ -61,7 +61,7 @@
+
+ set_target_properties( awl
+    PROPERTIES COMPILE_FLAGS
+-      "-include ${PROJECT_BINARY_DIR}/all.h -g -Wall -Wextra -Winvalid-pch"
++      "-include ${PROJECT_BINARY_DIR}/all.h -Wall -Wextra -Winvalid-pch"
+    )
+
+ ADD_DEPENDENCIES(awl mops1)
+--- mscore-1.2/mscore/CMakeLists.txt
++++ mscore-1.2/mscore/CMakeLists.txt
+@@ -253,9 +253,6 @@
+    WORKING_DIRECTORY ${PROJECT_BINARY_DIR}
+    )
+
+-set(CMAKE_CXX_FLAGS_DEBUG   "")
+-set(CMAKE_CXX_FLAGS_RELEASE "-O3 -DNDEBUG")
+-
+ if (CMAKE_BUILD_TYPE STREQUAL "DEBUG")
+       if (MINGW)
+             set(FLAGS -DQT_DEBUG -DQT_DLL)
+@@ -264,9 +261,9 @@
+       endif (MINGW)
+ else (CMAKE_BUILD_TYPE STREQUAL "DEBUG")
+       if (MINGW)
+-            set(FLAGS -O2 -DNDEBUG -DQT_DLL -DQT_NO_DEBUG)
++            set(FLAGS -DNDEBUG -DQT_DLL -DQT_NO_DEBUG)
+       else (MINGW)
+-            set(FLAGS -O2 -DNDEBUG -DQT_NO_DEBUG)
++            set(FLAGS -DNDEBUG -DQT_NO_DEBUG)
+       endif (MINGW)
+ endif (CMAKE_BUILD_TYPE STREQUAL "DEBUG")
+
+@@ -276,7 +273,7 @@
+       add_custom_command(
+          OUTPUT ${PROJECT_BINARY_DIR}/all.h.pch
+          COMMAND ${CMAKE_CXX_COMPILER}
+-           -x c++-header -g ${FLAGS}
++           -x c++-header ${FLAGS}
+            -I${QT_INCLUDE_DIR}
+            -o all.h.pch all.h
+          DEPENDS ${PROJECT_BINARY_DIR}/all.h
+@@ -287,7 +284,7 @@
+       add_custom_command(
+          OUTPUT ${PROJECT_BINARY_DIR}/all.h.gch
+          COMMAND ${CMAKE_CXX_COMPILER}
+-           -x c++-header -g  ${FLAGS} -m32
++           -x c++-header ${FLAGS}
+            -I${QT_HEADERS_DIR}
+            -o all.h.gch all.h
+          DEPENDS ${PROJECT_BINARY_DIR}/all.h

pkgs/top-level/all-packages.nix

@@ -7110,6 +7110,8 @@ let
     jackSupport = getConfig [ "mumble" "jackSupport" ] false;
   };
 
+  musescore = callPackage ../applications/audio/musescore { };
+
   mutt = callPackage ../applications/networking/mailreaders/mutt { };
 
   msmtp = callPackage ../applications/networking/msmtp { };