diff options
Diffstat (limited to 'pkgs/os-specific/linux/phc-intel/default.nix')
| -rw-r--r-- | pkgs/os-specific/linux/phc-intel/default.nix | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/pkgs/os-specific/linux/phc-intel/default.nix b/pkgs/os-specific/linux/phc-intel/default.nix new file mode 100644 index 00000000000..dd5a2741267 --- /dev/null +++ b/pkgs/os-specific/linux/phc-intel/default.nix @@ -0,0 +1,55 @@ +{ stdenv, fetchurl, kernel, which }: + +assert stdenv.isLinux; +# Don't bother with older versions, though some would probably work: +assert stdenv.lib.versionAtLeast kernel.version "4.2"; +# Disable on grsecurity kernels, which break module building: +assert !kernel.features ? grsecurity; + +let + release = "0.4.0"; + revbump = "rev18"; # don't forget to change forum download id... + version = "${release}-${revbump}"; +in stdenv.mkDerivation { + name = "linux-phc-intel-${version}-${kernel.version}"; + + src = fetchurl { + sha256 = "1480y75yid4nw7dhzm97yb10dykinzjz34abvavsrqpq7qclhv27"; + url = "http://www.linux-phc.org/forum/download/file.php?id=167"; + name = "phc-intel-pack-${revbump}.tar.bz2"; + }; + + buildInputs = [ which ]; + + makeFlags = with kernel; [ + "DESTDIR=$(out)" + "KERNELSRC=${dev}/lib/modules/${modDirVersion}/build" + ]; + + configurePhase = '' + make $makeFlags brave + ''; + + enableParallelBuilding = false; + + installPhase = '' + install -m 755 -d $out/lib/modules/${kernel.version}/extra/ + install -m 644 *.ko $out/lib/modules/${kernel.version}/extra/ + ''; + + meta = with stdenv.lib; { + inherit version; + 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 = platforms.linux; + maintainers = with maintainers; [ nckx ]; + }; +} |