diff --git a/pkgs/development/compilers/ghc/7.4.1.nix b/pkgs/development/compilers/ghc/7.4.1.nix
new file mode 100644
index 00000000000..9a554a467d8
--- /dev/null
+++ b/pkgs/development/compilers/ghc/7.4.1.nix
@@ -0,0 +1,44 @@
+{stdenv, fetchurl, ghc, perl, gmp, ncurses, darwinInstallNameToolUtility}:
+
+stdenv.mkDerivation rec {
+  version = "7.4.1";
+  name = "ghc-${version}";
+
+  src = fetchurl {
+    url = "http://haskell.org/ghc/dist/${version}/${name}-src.tar.bz2";
+    sha256 = "0ycscsagyy9n796a59q6761s6ar50d8inibvnrcp96siksj0j73j";
+  };
+
+  buildInputs = [ghc perl gmp ncurses] ++
+    (if stdenv.isDarwin then [darwinInstallNameToolUtility] else []);
+
+  buildMK = ''
+    libraries/integer-gmp_CONFIGURE_OPTS += --configure-option=--with-gmp-libraries="${gmp}/lib"
+    libraries/integer-gmp_CONFIGURE_OPTS += --configure-option=--with-gmp-includes="${gmp}/include"
+  '';
+
+  preConfigure = ''
+    echo "${buildMK}" > mk/build.mk
+    sed -i -e 's|-isysroot /Developer/SDKs/MacOSX10.5.sdk||' configure
+  '';
+
+  configureFlags=[
+    "--with-gcc=${stdenv.gcc}/bin/gcc"
+  ];
+
+  # required, because otherwise all symbols from HSffi.o are stripped, and
+  # that in turn causes GHCi to abort
+  stripDebugFlags=["-S" "--keep-file-symbols"];
+
+  meta = {
+    homepage = "http://haskell.org/ghc";
+    description = "The Glasgow Haskell Compiler";
+    maintainers = [
+      stdenv.lib.maintainers.marcweber
+      stdenv.lib.maintainers.andres
+      stdenv.lib.maintainers.simons
+    ];
+    platforms = ghc.meta.platforms;
+  };
+
+}
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index ed955eceb3c..ba8051b6f3e 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -2274,16 +2274,20 @@ let
       (x : x.ghc704Prefs) false false (x : x);
 
   haskellPackages_ghc721 =
-    recurseIntoAttrs
-      (haskellPackagesFun ../development/compilers/ghc/7.2.1.nix
-        (if stdenv.isDarwin then ghc704Binary else ghc6121Binary)
-        (x : x.ghc721Prefs) false false lowPrio);
+    haskellPackagesFun ../development/compilers/ghc/7.2.1.nix
+      (if stdenv.isDarwin then ghc704Binary else ghc6121Binary)
+      (x : x.ghc721Prefs) false false lowPrio;
 
   haskellPackages_ghc722 =
+    haskellPackagesFun ../development/compilers/ghc/7.2.2.nix
+      (if stdenv.isDarwin then ghc704Binary else ghc6121Binary)
+      (x : x.ghc722Prefs) false false lowPrio;
+
+  haskellPackages_ghc741 =
     recurseIntoAttrs
-      (haskellPackagesFun ../development/compilers/ghc/7.2.2.nix
+      (haskellPackagesFun ../development/compilers/ghc/7.4.1.nix
         (if stdenv.isDarwin then ghc704Binary else ghc6121Binary)
-        (x : x.ghc722Prefs) false false lowPrio);
+        (x : x.ghc741Prefs) false false lowPrio);
 
   # Reasonably current HEAD snapshot. Should *always* be lowPrio.
   haskellPackages_ghcHEAD =
diff --git a/pkgs/top-level/haskell-packages.nix b/pkgs/top-level/haskell-packages.nix
index 5f445ef9f4f..030d4a87a59 100644
--- a/pkgs/top-level/haskell-packages.nix
+++ b/pkgs/top-level/haskell-packages.nix
@@ -90,6 +90,7 @@ let result = let callPackage = x : y : modifyPrio (newScope result.final x y);
   ghc704Prefs  = super : super // super.haskellPlatformDefaults_2011_4_0_0 super; # link
   ghc721Prefs  = super : super // super.haskellPlatformDefaults_future super;
   ghc722Prefs  = super : super // super.haskellPlatformDefaults_future super; #link
+  ghc741Prefs  = super : super // super.haskellPlatformDefaults_HEAD super;
   ghcHEADPrefs = super : super // super.haskellPlatformDefaults_HEAD super;
 
   # GHC and its wrapper