nixpkgs/pkgs/by-name/li/libfprint-2-tod1-broadcom/package.nix
2024-08-01 18:19:37 +02:00

92 lines
2.5 KiB
Nix

{
autoPatchelfHook,
fetchzip,
lib,
libfprint-tod,
openssl,
patchelfUnstable, # have to use patchelfUnstable to support --rename-dynamic-symbols
stdenv,
}:
# Based on ideas from (using a wrapper library to redirect fopen() calls to firmware files):
# * https://tapesoftware.net/replace-symbol/
# * https://github.com/NixOS/nixpkgs/pull/260715
let
pname = "libfprint-2-tod1-broadcom";
version = "5.12.018";
src = fetchzip {
url = "http://dell.archive.canonical.com/updates/pool/public/libf/${pname}/${pname}_${version}.orig.tar.gz";
hash = "sha256-0C2PpYpEJNrU+8NT95w4QV0J5nHQisMY94Czw3jQOzw=";
pname = "${pname}-unpacked";
inherit version;
};
wrapperLibName = "wrapper-lib.so";
wrapperLibSource = "wrapper-lib.c";
# wraps `fopen()` for finding firmware files
wrapperLib = stdenv.mkDerivation {
pname = "${pname}-wrapper-lib";
inherit version;
src = builtins.path {
name = "${pname}-wrapper-lib-source";
path = ./.;
filter = path: type: baseNameOf path == wrapperLibSource;
};
postPatch = ''
substitute ${wrapperLibSource} lib.c \
--subst-var-by to "${src}/var/lib/fprint/fw"
cc -fPIC -shared lib.c -o ${wrapperLibName}
'';
installPhase = ''
runHook preInstall
install -D -t $out/lib ${wrapperLibName}
runHook postInstall
'';
};
in
stdenv.mkDerivation {
inherit src pname version;
buildInputs = [
libfprint-tod
openssl
wrapperLib
];
nativeBuildInputs = [
autoPatchelfHook
patchelfUnstable
];
installPhase = ''
runHook preInstall
install -D -t "$out/lib/libfprint-2/tod-1/" -m 644 -v usr/lib/x86_64-linux-gnu/libfprint-2/tod-1/libfprint-2-tod-1-broadcom.so
install -D -t "$out/lib/udev/rules.d/" -m 644 -v lib/udev/rules.d/60-libfprint-2-device-broadcom.rules
runHook postInstall
'';
postFixup = ''
echo fopen64 fopen_wrapper > fopen_name_map
patchelf \
--rename-dynamic-symbols fopen_name_map \
--add-needed ${wrapperLibName} \
"$out/lib/libfprint-2/tod-1/libfprint-2-tod-1-broadcom.so"
'';
passthru.driverPath = "/lib/libfprint-2/tod-1";
meta = with lib; {
description = "Broadcom driver module for libfprint-2-tod Touch OEM Driver (from Dell)";
homepage = "http://dell.archive.canonical.com/updates/pool/public/libf/libfprint-2-tod1-broadcom/";
license = licenses.unfree;
maintainers = with maintainers; [ pitkling ];
platforms = [ "x86_64-linux" ];
sourceProvenance = with sourceTypes; [ binaryNativeCode ];
};
}