Cleaner decoupling of glibc and linuxPackages while keeping kernelHeaders a linuxPackage and having a single default.nix for kernelHeaders

svn path=/nixpkgs/branches/stdenv-updates/; revision=29554

pkgs/os-specific/linux/kernel-headers/default.nix

@@ -3,7 +3,7 @@
 assert cross == null -> stdenv.isLinux;
 
 let
-  version = kernel.headersVersion;
+  version = kernel.version;
   kernelHeadersBaseConfig = if (cross == null) then
       stdenv.platform.kernelHeadersBaseConfig
     else
@@ -13,7 +13,7 @@ in
 stdenv.mkDerivation {
   name = "linux-headers-${version}";
 
-  src = kernel.headersSrc;
+  src = kernel.src;
 
   targetConfig = if (cross != null) then cross.config else null;
 

pkgs/os-specific/linux/kernel/generic.nix

@@ -3,15 +3,9 @@
 , # The kernel source tarball.
   src
 
-, # The kernel headers source tarball.
-  headersSrc ? src
-
 , # The kernel version.
   version
 
-, # The kernel headers version.
-  headersVersion ? version
-
 , # The version number used for the module directory
   modDirVersion ? version
 
@@ -75,7 +69,7 @@ stdenv.mkDerivation {
   enableParallelBuilding = true;
 
   passthru = {
-    inherit version modDirVersion kernelPatches headersSrc headersVersion;
+    inherit version modDirVersion kernelPatches;
     # Combine the `features' attribute sets of all the kernel patches.
     features = lib.fold (x: y: (if x ? features then x.features else {}) // y) features kernelPatches;
   };

pkgs/top-level/all-packages.nix

@@ -5242,7 +5242,16 @@ let
 
   libnl1 = callPackage ../os-specific/linux/libnl/v1.nix { };
 
-  linuxHeaders = linuxPackages.kernelHeaders;
+  linuxHeaders =
+  let
+  
+    kernel = {
+      src = linuxPackages.kernel.src;
+      version = linuxPackages.kernel.version;
+    };
+
+  in
+  callPackage ../os-specific/linux/kernel-headers { inherit kernel; };
 
   linuxHeaders26Cross = forceBuildDrv (import ../os-specific/linux/kernel-headers/2.6.32.nix {
     inherit stdenv fetchurl perl;