Revert "kernel: Remove unsupported 3.10, 3.12, 3.14"

This reverts commit 2441e002e26d60e62306ae03a2c0d42fe156f129. The
motivation for removing them was not very convincing. Also, we need
3.14 on some Hydra build machines.

pkgs/build-support/grsecurity/default.nix

···
     stable-patch = with pkgs.kernelPatches; grsecurity_stable;
 
     grKernel = if cfg.stable
-               then throw "Grsecurity stable no longer supported due to https://grsecurity.net/announce.php"
+               then mkKernel pkgs.linux_3_14 stable-patch
                else mkKernel pkgs.linux_4_2 test-patch;
 
     ## -- grsecurity configuration ---------------------------------------------

pkgs/os-specific/linux/kernel/linux-3.10.nix

···
+{ stdenv, fetchurl, perl, buildLinux, ... } @ args:
+
+import ./generic.nix (args // rec {
+  version = "3.10.92";
+  extraMeta.branch = "3.10";
+
+  src = fetchurl {
+    url = "mirror://kernel/linux/kernel/v3.x/linux-${version}.tar.xz";
+    sha256 = "0z0jdix1mfpnnc8cxw7rzpnhxdayckpnrasvxi1qf0dwhcqgk92d";
+  };
+
+  features.iwlwifi = true;
+  features.efiBootStub = true;
+  features.needsCifsUtils = true;
+  features.canDisableNetfilterConntrackHelpers = true;
+  features.netfilterRPFilter = true;
+})

pkgs/os-specific/linux/kernel/linux-3.12.nix

···
+{ stdenv, fetchurl, perl, buildLinux, ... } @ args:
+
+import ./generic.nix (args // rec {
+  version = "3.12.50";
+  extraMeta.branch = "3.12";
+
+  src = fetchurl {
+    url = "mirror://kernel/linux/kernel/v3.x/linux-${version}.tar.xz";
+    sha256 = "1bn07wsrcbg4qgqd4v2810c3qc0ifbcza0fyj8s54yd78g9qj4lj";
+  };
+
+  features.iwlwifi = true;
+  features.efiBootStub = true;
+  features.needsCifsUtils = true;
+  features.canDisableNetfilterConntrackHelpers = true;
+  features.netfilterRPFilter = true;
+})

pkgs/os-specific/linux/kernel/linux-3.14.nix

···
+{ stdenv, fetchurl, perl, buildLinux, ... } @ args:
+
+import ./generic.nix (args // rec {
+  version = "3.14.56";
+  # Remember to update grsecurity!
+  extraMeta.branch = "3.14";
+
+  src = fetchurl {
+    url = "mirror://kernel/linux/kernel/v3.x/linux-${version}.tar.xz";
+    sha256 = "1ggvjrz51nfhj7amn3v2nd0b0x8dnz68k9cldzl729cqp9gsc3hf";
+  };
+
+  features.iwlwifi = true;
+  features.efiBootStub = true;
+  features.needsCifsUtils = true;
+  features.canDisableNetfilterConntrackHelpers = true;
+  features.netfilterRPFilter = true;
+} // (args.argsOverride or {}))

pkgs/top-level/all-packages.nix

···
     kernelPatches = [ kernelPatches.bridge_stp_helper ];
   };
 
+  linux_3_10 = callPackage ../os-specific/linux/kernel/linux-3.10.nix {
+    kernelPatches = [ kernelPatches.bridge_stp_helper ]
+      ++ lib.optionals ((platform.kernelArch or null) == "mips")
+      [ kernelPatches.mips_fpureg_emu
+        kernelPatches.mips_fpu_sigill
+        kernelPatches.mips_ext3_n32
+      ];
+  };
+
+  linux_3_12 = callPackage ../os-specific/linux/kernel/linux-3.12.nix {
+    kernelPatches = [ kernelPatches.bridge_stp_helper kernelPatches.crc_regression ]
+      ++ lib.optionals ((platform.kernelArch or null) == "mips")
+      [ kernelPatches.mips_fpureg_emu
+        kernelPatches.mips_fpu_sigill
+        kernelPatches.mips_ext3_n32
+      ];
+  };
+
+  linux_3_14 = callPackage ../os-specific/linux/kernel/linux-3.14.nix {
+    kernelPatches = [ kernelPatches.bridge_stp_helper ]
+      ++ lib.optionals ((platform.kernelArch or null) == "mips")
+      [ kernelPatches.mips_fpureg_emu
+        kernelPatches.mips_fpu_sigill
+        kernelPatches.mips_ext3_n32
+      ];
+  };
+
   linux_3_18 = callPackage ../os-specific/linux/kernel/linux-3.18.nix {
     kernelPatches = [ kernelPatches.bridge_stp_helper ]
       ++ lib.optionals ((platform.kernelArch or null) == "mips")
···
 
   # Build the kernel modules for the some of the kernels.
   linuxPackages_rpi = linuxPackagesFor pkgs.linux_rpi linuxPackages_rpi;
+  linuxPackages_3_10 = recurseIntoAttrs (linuxPackagesFor pkgs.linux_3_10 linuxPackages_3_10);
+  linuxPackages_3_10_tuxonice = linuxPackagesFor pkgs.linux_3_10_tuxonice linuxPackages_3_10_tuxonice;
+  linuxPackages_3_12 = recurseIntoAttrs (linuxPackagesFor pkgs.linux_3_12 linuxPackages_3_12);
+  linuxPackages_3_14 = recurseIntoAttrs (linuxPackagesFor pkgs.linux_3_14 linuxPackages_3_14);
   linuxPackages_3_18 = recurseIntoAttrs (linuxPackagesFor pkgs.linux_3_18 linuxPackages_3_18);
   linuxPackages_4_1 = recurseIntoAttrs (linuxPackagesFor pkgs.linux_4_1 linuxPackages_4_1);
   linuxPackages_4_2 = recurseIntoAttrs (linuxPackagesFor pkgs.linux_4_2 linuxPackages_4_2);