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{ lib, stdenv, fetchFromGitHub, fetchpatch, kernel, libdrm }:
stdenv.mkDerivation rec {
pname = "evdi";
version = "unstable-2021-06-11";
src = fetchFromGitHub {
owner = "DisplayLink";
repo = pname;
rev = "65e12fca334f2f42396f4e8d16592d53cab34dd6";
sha256 = "sha256-81IfdYKadKT7vRdkmxzfGo4KHa4UJ8uJ0K6djQCr22U=";
};
# Linux 5.13 support
# The patches break compilation for older kernels
patches = lib.optional (kernel.kernelAtLeast "5.13") [
(fetchpatch {
url = "https://github.com/DisplayLink/evdi/commit/c5f5441d0a115d2cfc8125b8bafaa05b2edc7938.patch";
sha256 = "sha256-tWYgBrRh3mXPebhUygOvJ07V87g9JU66hREriACfEVI=";
})
(fetchpatch {
url = "https://github.com/DisplayLink/evdi/commit/5f04d2e2df4cfd21dc15d31f1152c6a66fa48a78.patch";
sha256 = "sha256-690/eUiEVWvnT/YAVgKcLo86dgolF9giWRuPxXpL+eQ=";
})
];
nativeBuildInputs = kernel.moduleBuildDependencies;
buildInputs = [ kernel libdrm ];
makeFlags = [
"KVER=${kernel.modDirVersion}"
"KDIR=${kernel.dev}/lib/modules/${kernel.modDirVersion}/build"
];
hardeningDisable = [ "format" "pic" "fortify" ];
installPhase = ''
install -Dm755 module/evdi.ko $out/lib/modules/${kernel.modDirVersion}/kernel/drivers/gpu/drm/evdi/evdi.ko
install -Dm755 library/libevdi.so $out/lib/libevdi.so
'';
meta = with lib; {
description = "Extensible Virtual Display Interface";
maintainers = with maintainers; [ eyjhb ];
platforms = platforms.linux;
license = with licenses; [ lgpl21Only gpl2Only ];
homepage = "https://www.displaylink.com/";
broken = kernel.kernelOlder "4.19" || stdenv.isAarch64;
};
}
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