servicepoint-binding-c/packages.nix
Vinzenz Schroeter d98aec63b0
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examples work as packages in flake
2025-06-02 17:22:38 +02:00

108 lines
2.6 KiB
Nix

{
pkgs,
lib,
fenix,
selfPkgs,
...
}:
let
version = "0.15.0";
mkServicepoint =
{
rustPlatform,
buildType,
}:
rustPlatform.buildRustPackage (finalAttrs: {
inherit buildType version;
pname = "servicepoint-binding-c";
src = lib.filter {
root = ./.;
include = [
./Cargo.lock
./Cargo.toml
./src
./build.rs
./LICENSE
./cbindgen.toml
];
};
cargoLock.lockFile = ./Cargo.lock;
meta = {
description = "C bindings for the servicepoint crate.";
homepage = "https://git.berlin.ccc.de/servicepoint/servicepoint-binding-c";
license = lib.licenses.gpl3Plus;
pkgConfigModules = [ "servicepoint" ];
};
nativeBuildInputs = with pkgs; [ pkg-config ];
buildInputs = with pkgs; [ xz ];
preBuild = ''
mkdir -p include
export SERVICEPOINT_HEADER_OUT=$(realpath "include")
echo "Rust version: $(rustc --version)"
echo "preBuild hook: set SERVICEPOINT_HEADER_OUT to $SERVICEPOINT_HEADER_OUT"
'';
postInstall = ''
cp -r include $out
mkdir -p $out/lib/pkgconfig
sed "s:\$out:$out:g" ${./servicepoint.pc.in} | sed "s:\$version:$version:g" > $out/lib/pkgconfig/servicepoint.pc
'';
});
mkExample =
{ name, servicepointBinding }:
pkgs.stdenv.mkDerivation {
inherit version;
pname = "servicepoint-c-example-${name}";
nativeBuildInputs = with pkgs; [ pkg-config ];
buildInputs = [ servicepointBinding ];
src = ./example/src;
#dontUnpack = true;
buildPhase = ''
mkdir -p $out/bin
gcc ${name}.c $(pkg-config --libs servicepoint --cflags) -o $out/bin/${name}
'';
};
rustPlatform-stable = pkgs.rustPlatform;
rustPlatform-unstable = pkgs.makeRustPlatform {
cargo = fenix.minimal.cargo;
rustc = fenix.minimal.rustc;
};
examples = [
"announce"
"brightness_tester"
"header_logger"
"moving_line"
"random_stuff"
"wiping_clear"
];
in
rec {
servicepoint-binding-c-release = mkServicepoint {
buildType = "release";
rustPlatform = rustPlatform-stable;
};
servicepoint-binding-c-size-optimized = mkServicepoint {
buildType = "size_optimized";
rustPlatform = rustPlatform-unstable;
};
servicepoint-binding-c = servicepoint-binding-c-release;
all-examples = pkgs.symlinkJoin {
name = "servicepoint-all-examples";
paths = builtins.map (e: selfPkgs.${e}) examples;
};
}
// (lib.genAttrs examples (
name:
mkExample {
inherit name;
servicepointBinding = selfPkgs.servicepoint-binding-c;
}
))