Adding 2.6.31 kernel and trying to generate config for it without manual operations

svn path=/nixpkgs/trunk/; revision=17065

pkgs/os-specific/linux/kernel/linux-2.6.31.nix

@@ -0,0 +1,57 @@
+args @ {stdenv, fetchurl, userModeLinux ? false, oldI686 ? false, ...}:
+
+assert !userModeLinux;
+
+import ./generic.nix (
+
+  let
+    baseVersion = "2.6.31"; 
+  in
+
+  rec {
+    version = "2.6.31";
+  
+    src = fetchurl {
+      url = "mirror://kernel/linux/kernel/v2.6/linux-${baseVersion}.tar.bz2";
+      sha256 = "04im1rk53j1im1q8i6pl6qn75zd63dg51dxhq8cfxdsxp3vq7k8a";
+    };
+
+    features = {
+      iwlwifi = true;
+    };
+ 
+    preConfigure = ''
+        killOption () {
+          sed -re 's/^('"$1"')=[ym]/# \1 is not set/' -i .config
+        }
+        setOptionMod () {
+          sed -re 's/^# ('"$1"') is not set/\1=m/' -i .config
+          sed -re "1i$1=m" -i .config
+        }
+        setOptionYes () {
+          sed -re 's/^# )'"$1"') is not set/\1=y/' -i .config
+          sed -re "1i$1=y" -i .config
+        }
+        
+        make allmodconfig
+        
+        killOption CONFIG_IMA
+        killOption 'CONFIG_.*_DEBUG.*'
+        killOption CONFIG_AUDIT_ARCH
+        
+        killOption CONFIG_KERNEL_BZIP2
+        killOption CONFIG_KERNEL_LZMA
+        setOptionYes CONFIG_KERNEL_GZIP
+        
+        killOption CONFIG_TASKSTATS
+        killOption CONFIG_PREEMPT_NONE
+        setOptionYes CONFIG_PREEMPT_VOLUNTARY
+        
+        cp .config ${config}
+    '';
+
+    config = "./kernel-config";
+  }
+
+  // args
+)

pkgs/top-level/all-packages.nix

@@ -5254,6 +5254,11 @@ let
     ];
   });
 
+  kernel_2_6_31 = makeOverridable (import ../os-specific/linux/kernel/linux-2.6.31.nix) {
+    inherit fetchurl stdenv perl mktemp module_init_tools;
+    kernelPatches = [];
+  };
+
   kernel_2_6_31_rc4 = makeOverridable (import ../os-specific/linux/kernel/linux-2.6.31-rc4.nix) {
     inherit fetchurl stdenv perl mktemp module_init_tools;
     kernelPatches = [ 
@@ -5432,6 +5437,7 @@ let
   kernelPackages_2_6_31_rc2 = recurseIntoAttrs (kernelPackagesFor kernel_2_6_31_rc2);
   kernelPackages_2_6_31_rc2_old_i686 = recurseIntoAttrs (kernelPackagesFor kernel_2_6_31_rc2_old_i686);
   kernelPackages_2_6_31_zen0 =          recurseIntoAttrs (kernelPackagesFor kernel_2_6_31_zen0);
+  kernelPackages_2_6_31 =          recurseIntoAttrs (kernelPackagesFor kernel_2_6_31);
 
   # The current default kernel / kernel modules.
   kernelPackages = kernelPackages_2_6_28;