90 lines
1.9 KiB
Nix
90 lines
1.9 KiB
Nix
{
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description = "Cross compile libcamera app for Raspberry Pi Zero";
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inputs = {
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nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
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};
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outputs = { self, nixpkgs }:
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let
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system = "x86_64-linux";
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pkgs = import nixpkgs {
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inherit system;
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crossSystem = {
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config = "armv6l-unknown-linux-gnueabihf";
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};
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};
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in
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{
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devShells.${system}.default = pkgs.mkShell {
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nativeBuildInputs = [
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pkgs.pkgsBuildBuild.pkg-config
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];
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buildInputs = with pkgs; [
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libcamera
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libGL
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libglvnd
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mesa
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];
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shellHook = ''
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export CC=${pkgs.stdenv.cc.targetPrefix}gcc
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export CXX=${pkgs.stdenv.cc.targetPrefix}g++
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export PKG_CONFIG_ALLOW_CROSS=1
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echo "Cross shell ready"
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'';
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};
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packages.${system}.default = pkgs.stdenv.mkDerivation {
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pname = "rpi-zero-libcamera-app";
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version = "0.1.0";
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src = ./.;
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nativeBuildInputs = [
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pkgs.pkgsBuildBuild.pkg-config
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];
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buildInputs = with pkgs; [
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libcamera
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libevent
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libGL
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libglvnd
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mesa
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];
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buildPhase = ''
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runHook preBuild
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export PKG_CONFIG_ALLOW_CROSS=1
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mkdir -p build
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${pkgs.stdenv.cc.targetPrefix}g++ \
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camera.cpp \
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event_loop.cpp \
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-o build/camera \
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$(pkg-config --cflags --libs libcamera libevent) \
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-levent -levent_pthreads -lpthread
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runHook postBuild
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'';
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installPhase = ''
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mkdir -p $out/bin
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cp build/camera $out/bin/camera
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'';
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};
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apps.${system}.default = {
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type = "app";
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program = "${self.packages.${system}.default}/bin/camera";
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};
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};
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}
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