diff --git a/pkgs/development/compilers/gcc-4.4/default.nix b/pkgs/development/compilers/gcc-4.4/default.nix
index 85a3aee4c89..9ec2c485992 100644
--- a/pkgs/development/compilers/gcc-4.4/default.nix
+++ b/pkgs/development/compilers/gcc-4.4/default.nix
@@ -221,7 +221,9 @@ stdenv.mkDerivation ({
     ];
 
     # Volunteers needed for the {Cyg,Dar}win ports of *PPL.
-    platforms = stdenv.lib.platforms.linux ++ [ "i686-darwin" ];
+    # gnatboot is not available out of linux platforms, so we disable the darwin build
+    # for the gnat (ada compiler).
+    platforms = stdenv.lib.platforms.linux ++ optionals (langAda == false) [ "i686-darwin" ];
   };
 }
 // (if langVhdl then rec {
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index a75aeb7b391..56fd9f3c6ca 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -1974,8 +1974,8 @@ let
     cross = assert crossSystem != null; crossSystem;
   };
 
-  gcc44_realCross = lib.addMetaAttrs { platforms = []; } (
-    makeOverridable (import ../development/compilers/gcc-4.4) {
+  gcc44_realCross = lib.addMetaAttrs { platforms = []; }
+    (makeOverridable (import ../development/compilers/gcc-4.4) {
       inherit stdenv fetchurl texinfo gmp mpfr ppl cloogppl noSysDirs
           gettext which;
       binutilsCross = binutilsCross;
@@ -1990,12 +1990,13 @@ let
     });
 
   gccCrossStageStatic = wrapGCCCross {
-    gcc = forceBuildDrv (gcc44_realCross.override {
+    gcc = forceBuildDrv (lib.addMetaAttrs { platforms = []; } (
+      gcc44_realCross.override {
         crossStageStatic = true;
         langCC = false;
         libcCross = null;
         enableShared = true;
-    });
+      }));
     libc = null;
     binutils = binutilsCross;
     cross = assert crossSystem != null; crossSystem;