290 lines
9.8 KiB
Nix
290 lines
9.8 KiB
Nix
rec {
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description = "C++ ObjRender";
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inputs = {
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nixpkgs.url = "nixpkgs"; # Use nixpkgs from system registry
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flake-utils.url = "github:numtide/flake-utils";
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rust-overlay.url = "github:oxalica/rust-overlay";
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rust-overlay.inputs.nixpkgs.follows = "nixpkgs";
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clj-nix.url = "github:jlesquembre/clj-nix";
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clj-nix.inputs.nixpkgs.follows = "nixpkgs";
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};
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outputs = {
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self,
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nixpkgs,
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flake-utils,
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rust-overlay,
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clj-nix,
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}:
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# Create a shell (and possibly package) for each possible system, not only x86_64-linux
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flake-utils.lib.eachDefaultSystem (system: let
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pkgs = import nixpkgs {
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inherit system;
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config.allowUnfree = true;
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overlays = [
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rust-overlay.overlays.default
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];
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};
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inherit (pkgs) lib stdenv;
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# ===========================================================================================
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# Define custom dependencies
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# ===========================================================================================
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# 64 bit C/C++ compilers that don't collide (use the same libc)
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bintools = pkgs.wrapBintoolsWith {
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bintools = pkgs.bintools.bintools; # Unwrapped bintools
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libc = pkgs.glibc;
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};
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gcc = lib.hiPrio (pkgs.wrapCCWith {
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cc = pkgs.gcc.cc; # Unwrapped gcc
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libc = pkgs.glibc;
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bintools = bintools;
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});
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clang = pkgs.wrapCCWith {
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cc = pkgs.clang.cc; # Unwrapped clang
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libc = pkgs.glibc;
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bintools = bintools;
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};
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# Multilib C/C++ compilers that don't collide (use the same libc)
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# bintools_multilib = pkgs.wrapBintoolsWith {
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# bintools = pkgs.bintools.bintools; # Unwrapped bintools
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# libc = pkgs.glibc_multi;
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# };
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# gcc_multilib = pkgs.hiPrio (pkgs.wrapCCWith {
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# cc = pkgs.gcc.cc; # Unwrapped gcc
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# libc = pkgs.glibc_multi;
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# bintools = bintools_multilib;
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# });
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# clang_multilib = pkgs.wrapCCWith {
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# cc = pkgs.clang.cc; # Unwrapped clang
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# libc = pkgs.glibc_multi;
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# bintools = bintools_multilib;
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# };
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# Raylib CPP wrapper
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raylib-cpp = stdenv.mkDerivation {
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pname = "raylib-cpp";
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version = "5.5.0-unstable-2025-11-12";
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src = pkgs.fetchFromGitHub {
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owner = "RobLoach";
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repo = "raylib-cpp";
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rev = "21b0d0f57a09a7f741d20b7157f440ae87f02c76";
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hash = "sha256-P9x6Zc5t648gR7oYXe38PEX/a4oh4PfuVCnjT0vC10k=";
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};
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# autoPatchelfHook is needed for appendRunpaths
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nativeBuildInputs = with pkgs; [
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cmake
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# autoPatchelfHook
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];
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buildInputs = with pkgs; [
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raylib
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glfw
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SDL2
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];
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propagatedBuildInputs = with pkgs; [
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libGLU
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libx11
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];
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cmakeFlags = [
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"-DBUILD_RAYLIB_CPP_EXAMPLES=OFF"
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"-DBUILD_TESTING=OFF"
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# Point CMake to the nixpkgs raylib so it doesn't try to fetch its own
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"-Draylib_DIR=${pkgs.raylib}/lib/cmake/raylib"
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];
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};
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# ===========================================================================================
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# Specify dependencies
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# https://nixos.org/manual/nixpkgs/stable/#ssec-stdenv-dependencies-overview
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# Just for a "nix develop" shell, buildInputs can be used for everything.
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# ===========================================================================================
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# Add dependencies to nativeBuildInputs if they are executed during the build:
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# - Those which are needed on $PATH during the build, for example cmake and pkg-config
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# - Setup hooks, for example makeWrapper
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# - Interpreters needed by patchShebangs for build scripts (with the --build flag), which can be the case for e.g. perl
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nativeBuildInputs = with pkgs; [
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# Languages:
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# bintools
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gcc
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# clang
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# bintools_multilib
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# gcc_multilib
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# clang_multilib
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# C/C++:
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gdb
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valgrind
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# gnumake
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cmake
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# pkg-config
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# clang-tools
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# compdb
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# pprof
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gprof2dot
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kdePackages.kcachegrind
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];
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# Add dependencies to buildInputs if they will end up copied or linked into the final output or otherwise used at runtime:
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# - Libraries used by compilers, for example zlib
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# - Interpreters needed by patchShebangs for scripts which are installed, which can be the case for e.g. perl
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buildInputs = with pkgs; [
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# C/C++:
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# boost
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# sfml
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raylib
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raylib-cpp
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tinyobjloader
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# gperftools
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];
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# ===========================================================================================
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# Define buildable + installable packages
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# ===========================================================================================
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# package = stdenv.mkDerivation {
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# inherit nativeBuildInputs buildInputs;
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# pname = "";
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# version = "1.0.0";
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# src = ./.;
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#
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# installPhase = ''
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# mkdir -p $out/bin
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# mv ./BINARY $out/bin
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# '';
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# };
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in rec {
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# Provide package for "nix build"
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# defaultPackage = package;
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# defaultApp = flake-utils.lib.mkApp {
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# drv = defaultPackage;
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# };
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# Provide environment for "nix develop"
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devShell = pkgs.mkShell {
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inherit nativeBuildInputs buildInputs;
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name = description;
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# =========================================================================================
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# Define environment variables
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# =========================================================================================
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# Custom dynamic libraries:
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# LD_LIBRARY_PATH = builtins.concatStringsSep ":" [
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# # Rust Bevy GUI app:
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# # "${pkgs.xorg.libX11}/lib"
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# # "${pkgs.xorg.libXcursor}/lib"
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# # "${pkgs.xorg.libXrandr}/lib"
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# # "${pkgs.xorg.libXi}/lib"
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# # "${pkgs.libGL}/lib"
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#
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# # JavaFX app:
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# # "${pkgs.libGL}/lib"
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# # "${pkgs.gtk3}/lib"
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# # "${pkgs.glib.out}/lib"
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# # "${pkgs.xorg.libXtst}/lib"
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# ];
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# Dynamic libraries from buildinputs:
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# LD_LIBRARY_PATH = nixpkgs.lib.makeLibraryPath buildInputs;
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# =========================================================================================
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# Define shell environment
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# =========================================================================================
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# Setup the shell when entering the "nix develop" environment (bash script).
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shellHook = let
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mkCmakeScript = type: let
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typeLower = lib.toLower type;
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in
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pkgs.writers.writeFish "cmake-${typeLower}.fish" ''
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cd $FLAKE_PROJECT_ROOT
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echo "Removing build directory ./cmake-build-${typeLower}/"
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rm -rf ./cmake-build-${typeLower}
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echo "Creating build directory"
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mkdir cmake-build-${typeLower}
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cd cmake-build-${typeLower}
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echo "Running cmake"
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cmake -G "Unix Makefiles" \
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-DCMAKE_BUILD_TYPE="${type}" \
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-DRAYLIB_CPP_INCLUDE_DIR="${raylib-cpp}/include" \
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-DTINYOBJLOADER_INCLUDE_DIR="${pkgs.tinyobjloader}/include" \
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..
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echo "Generating .clangd"
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echo "CompileFlags:" >> .clangd
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echo " Add:" >> .clangd
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echo " - \"-I${pkgs.raylib}/include\"" >> .clangd
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echo " - \"-I${raylib-cpp}/include\"" >> .clangd
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echo " - \"-I${pkgs.tinyobjloader}/include\"" >> .clangd
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echo "Linking compile_commands.json"
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cd ..
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ln -sf ./cmake-build-${typeLower}/compile_commands.json ./compile_commands.json
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echo "Linking .clangd"
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ln -sf ./cmake-build-${typeLower}/.clangd ./.clangd
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'';
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cmakeDebug = mkCmakeScript "Debug";
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cmakeRelease = mkCmakeScript "Release";
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mkBuildScript = type: let
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typeLower = lib.toLower type;
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in
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pkgs.writers.writeFish "cmake-build.fish" ''
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cd $FLAKE_PROJECT_ROOT/cmake-build-${typeLower}
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echo "Running cmake"
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cmake --build .
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'';
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buildDebug = mkBuildScript "Debug";
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buildRelease = mkBuildScript "Release";
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# Use this to specify commands that should be ran after entering fish shell
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initProjectShell = pkgs.writers.writeFish "init-shell.fish" ''
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echo "Entering \"${description}\" environment..."
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# Determine the project root, used e.g. in cmake scripts
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set -g -x FLAKE_PROJECT_ROOT (git rev-parse --show-toplevel)
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# Rust Bevy:
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# abbr -a build-release-windows "CARGO_FEATURE_PURE=1 cargo xwin build --release --target x86_64-pc-windows-msvc"
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# C/C++:
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abbr -a cmake-debug "${cmakeDebug}"
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abbr -a cmake-release "${cmakeRelease}"
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abbr -a build-debug "${buildDebug}"
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abbr -a build-release "${buildRelease}"
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# Clojure:
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# abbr -a clojure-deps "deps-lock --lein"
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# Python:
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# abbr -a run "python ./app/main.py"
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# abbr -a profile "py-spy record -o profile.svg -- python ./app/main.py && firefox profile.svg"
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# abbr -a ptop "py-spy top -- python ./app/main.py"
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'';
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in
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builtins.concatStringsSep "\n" [
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# Launch into pure fish shell
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''
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exec "$(type -p fish)" -C "source ${initProjectShell} && abbr -a menu '${pkgs.bat}/bin/bat "${initProjectShell}"'"
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''
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];
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};
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});
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}
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