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|
{ stdenv, fetchurl, fetchpatch, kernel, runtimeShell }:
let
baseName = "bbswitch";
version = "0.8";
name = "${baseName}-${version}-${kernel.version}";
in
stdenv.mkDerivation {
inherit name;
src = fetchurl {
url = "https://github.com/Bumblebee-Project/${baseName}/archive/v${version}.tar.gz";
sha256 = "0xql1nv8dafnrcg54f3jsi3ny3cd2ca9iv73pxpgxd2gfczvvjkn";
};
patches = [
(fetchpatch {
url = "https://github.com/Bumblebee-Project/bbswitch/pull/102.patch";
sha256 = "1lbr6pyyby4k9rn2ry5qc38kc738d0442jhhq57vmdjb6hxjya7m";
})
(fetchpatch {
url = "https://github.com/Bumblebee-Project/bbswitch/pull/196.patch";
sha256 = "02ihy3piws7783qbm9q0mb9s18ipn5ckdy1iar74xn31qjrsn99n";
})
];
nativeBuildInputs = kernel.moduleBuildDependencies;
hardeningDisable = [ "pic" ];
preBuild = ''
substituteInPlace Makefile \
--replace "\$(shell uname -r)" "${kernel.modDirVersion}" \
--replace "/lib/modules" "${kernel.dev}/lib/modules"
'';
installPhase = ''
mkdir -p $out/lib/modules/${kernel.modDirVersion}/misc
cp bbswitch.ko $out/lib/modules/${kernel.modDirVersion}/misc
mkdir -p $out/bin
tee $out/bin/discrete_vga_poweroff << EOF
#!${runtimeShell}
echo -n OFF > /proc/acpi/bbswitch
EOF
tee $out/bin/discrete_vga_poweron << EOF
#!${runtimeShell}
echo -n ON > /proc/acpi/bbswitch
EOF
chmod +x $out/bin/discrete_vga_poweroff $out/bin/discrete_vga_poweron
'';
meta = with stdenv.lib; {
description = "A module for powering off hybrid GPUs";
platforms = [ "x86_64-linux" "i686-linux" ];
homepage = "https://github.com/Bumblebee-Project/bbswitch";
maintainers = with maintainers; [ abbradar ];
};
}
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