Add 'nixpkgs/' from commit 'abf060725d7614bd3b9f96764262dfbc2f9c2199'

git-subtree-dir: nixpkgs
git-subtree-mainline: 4e31070265257dc67d120c27e0f75c2344fdfa9a
git-subtree-split: abf060725d7614bd3b9f96764262dfbc2f9c2199

1 files changed, 53 insertions, 0 deletions

diff --git a/nixpkgs/pkgs/os-specific/linux/phc-intel/default.nix b/nixpkgs/pkgs/os-specific/linux/phc-intel/default.nix
new file mode 100644
index 000000000000..75fce129e934
--- /dev/null
+++ b/nixpkgs/pkgs/os-specific/linux/phc-intel/default.nix
@@ -0,0 +1,53 @@
+{ stdenv, fetchurl, kernel, which }:
+
+# Don't bother with older versions, though some might even work:
+assert stdenv.lib.versionAtLeast kernel.version "4.10";
+
+let
+  release = "0.4.0";
+  revbump = "rev25"; # don't forget to change forum download id...
+in stdenv.mkDerivation rec {
+  name = "linux-phc-intel-${version}-${kernel.version}";
+  version = "${release}-${revbump}";
+
+  src = fetchurl {
+    sha256 = "1w91hpphd8i0br7g5qra26jdydqar45zqwq6jq8yyz6l0vb10zlz";
+    url = "http://www.linux-phc.org/forum/download/file.php?id=194";
+    name = "phc-intel-pack-${revbump}.tar.bz2";
+  };
+
+  nativeBuildInputs = [ which ] ++ kernel.moduleBuildDependencies;
+
+  hardeningDisable = [ "pic" ];
+
+  makeFlags = with kernel; [
+    "DESTDIR=$(out)"
+    "KERNELSRC=${dev}/lib/modules/${modDirVersion}/build"
+  ];
+
+  configurePhase = ''
+    make $makeFlags brave
+  '';
+
+  enableParallelBuilding = false;
+
+  installPhase = ''
+    install -m 755   -d $out/lib/modules/${kernel.modDirVersion}/extra/
+    install -m 644 *.ko $out/lib/modules/${kernel.modDirVersion}/extra/
+  '';
+
+  meta = with stdenv.lib; {
+    description = "Undervolting kernel driver for Intel processors";
+    longDescription = ''
+      PHC is a Linux kernel patch to undervolt processors. This can divide the
+      power consumption of the CPU by two or more, increasing battery life
+      while noticably reducing fan noise. This driver works only on supported
+      Intel architectures.
+    '';
+    homepage = http://www.linux-phc.org/;
+    downloadPage = "http://www.linux-phc.org/forum/viewtopic.php?f=7&t=267";
+    license = licenses.gpl2;
+    platforms = [ "x86_64-linux" "i686-linux" ];
+    broken = stdenv.lib.versionAtLeast kernel.version "4.18";
+  };
+}