stockholm/tv/5pkgs/rpi/WiringPi/default.nix

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{ fetchFromGitHub, lib, runCommand, stdenv }:
let
generic = name: extraAttrs:
stdenv.mkDerivation ({
pname = "WiringPi-${name}";
version = "2020-09-14";
src = fetchFromGitHub (lib.importJSON ./src.json);
buildPhase = ''
runHook postBuild
make -C ${name} all
runHook preBuild
'';
installPhase = ''
runHook preInstall
export DESTDIR=$out
export PREFIX=
export LDCONFIG=true
make -C ${name} install
runHook postInstall
'';
} // extraAttrs);
fakeutils = runCommand "fakeutils-1.0" {} /* sh */ ''
mkdir -p $out/bin
for name in chown chmod; do
touch $out/bin/$name
chmod +x $out/bin/$name
done
'';
in
rec {
wiringPi = generic "wiringPi" {};
wiringPiDev = generic "devLib" {
buildInputs = [
wiringPi
];
};
gpio = generic "gpio" {
preInstall = ''
# fakeutils cannot be buildInputs because they have to override existing
# executables and therefore need to be prepended to the search path.
PATH=${fakeutils}/bin:$PATH
mkdir -p $out/bin
'';
buildInputs = [
wiringPi
wiringPiDev
];
};
}