diff --git a/pkgs/development/compilers/gcc-apple/builder.sh b/pkgs/development/compilers/gcc-apple/builder.sh
index a10813e5e33..315baf37b22 100644
--- a/pkgs/development/compilers/gcc-apple/builder.sh
+++ b/pkgs/development/compilers/gcc-apple/builder.sh
@@ -67,7 +67,7 @@ preConfigure() {
     cd ../build
 
     configureScript=../$sourceRoot/configure
-    configureFlags="--enable-languages=$langs --disable-libstdcxx-pch"
+    configureFlags="--enable-languages=$langs --disable-libstdcxx-pch --disable-libstdcxx-debug --disable-multilib"
 }
 
 
@@ -81,5 +81,43 @@ postInstall() {
     rm -rf $out/libexec/gcc/*/*/install-tools
 }
 
+postUnpack() {
+  pwd
+  ls -l
+  mv libstdcxx-16/libstdcxx $sourceRoot/
+}
+
+genericBuild
+
+
+echo '-------------------------------------------------------------------------------------------------------------------------'
+echo 'libstdcxx-16'
+echo '-------------------------------------------------------------------------------------------------------------------------'
+
+cd ..
+pwd
+
+preConfigure() {
+    # Perform the build in a different directory.
+    mkdir ../build_libstdcxx
+    cd ../build_libstdcxx
+
+    ln -s ../build/gcc gcc
+    
+    configureScript=../$sourceRoot/libstdcxx/configure
+    configureFlags="--disable-libstdcxx-pch --disable-libstdcxx-debug --disable-multilib"
+}
+
+unpackPhase () {
+  echo '-'
+}
+
+postInstall() {
+  echo '-'
+}
+
+patchPhase() {
+  echo '-'
+}
 
 genericBuild
diff --git a/pkgs/development/compilers/gcc-apple/default.nix b/pkgs/development/compilers/gcc-apple/default.nix
index a5f89455501..8006bd4426d 100644
--- a/pkgs/development/compilers/gcc-apple/default.nix
+++ b/pkgs/development/compilers/gcc-apple/default.nix
@@ -9,14 +9,21 @@ assert stdenv.isDarwin;
 assert langF77 -> gmp != null;
 
 stdenv.mkDerivation ({
-  name = "gcc-4.0.1-apple-5341";
+  name = "gcc-4.2.1-apple-5574";
   builder = ./builder.sh;
-  src = fetchurl {
-    url = http://www.opensource.apple.com/darwinsource/tarballs/other/gcc-5341.tar.gz;
-    md5 = "a135f107ddc55b773b40dfff4f049640";
-  };
+  src = 
+    stdenv.lib.optional /*langC*/ true (fetchurl {
+      url = http://www.opensource.apple.com/tarballs/gcc_42/gcc_42-5574.tar.gz ;
+      sha256 = "0b76ef3cded7822e3c0ec430f9811b6bb84895055b683acd2df7f7253d745a50";
+    }) ++
+    stdenv.lib.optional langCC (fetchurl {
+      url = http://www.opensource.apple.com/tarballs/libstdcxx/libstdcxx-16.tar.gz ;
+      sha256 = "a7d8041e50e110f5a503e188a05cb217f0c99c51f248a0a1387cc07a0b6f167f";
+    }) ;
+
+  sourceRoot = "gcc_42-5574/";
   patches =
-    [./pass-cxxcpp.patch]
+    [./pass-cxxcpp.patch ./debug_list.patch]
     ++ (if noSysDirs then [./no-sys-dirs.patch] else []);
   inherit noSysDirs langC langCC langF77 profiledCompiler;
 } // (if langF77 then {buildInputs = [gmp mpfr bison flex];} else {}))