Files
cpp-masssprings/flake.nix

473 lines
16 KiB
Nix

rec {
description = "C++ MassSprings";
inputs = {
nixpkgs.url = "nixpkgs"; # Use nixpkgs from system registry
flake-utils.url = "github:numtide/flake-utils";
};
outputs = {
self,
nixpkgs,
flake-utils,
}:
# Create a shell (and possibly package) for each possible system, not only x86_64-linux
flake-utils.lib.eachDefaultSystem (
system: let
# =========================================================================================
# Define pkgs/stdenvs
# =========================================================================================
pkgs = import nixpkgs {
inherit system;
config.allowUnfree = true;
overlays = [];
};
clangPkgs = import nixpkgs {
inherit system;
config.allowUnfree = true;
overlays = [];
# Use this to change the compiler:
# - GCC: pkgs.stdenv
# - Clang: pkgs.clangStdenv
# NixOS packages are built using GCC by default. Using clang requires a full rebuild/redownload.
config.replaceStdenv = {pkgs}: pkgs.clangStdenv;
};
windowsPkgs = import nixpkgs {
inherit system;
config.allowUnfree = true;
overlays = [];
# Use this to cross compile to a different system
crossSystem = {
config = "x86_64-w64-mingw32";
};
};
inherit (pkgs) lib stdenv;
# =========================================================================================
# Define shell environment
# =========================================================================================
# Setup the shell when entering the "nix develop" environment (bash script).
shellHook = let
mkCmakeScript = type: let
typeLower = lib.toLower type;
in
pkgs.writers.writeFish "cmake-${typeLower}.fish" ''
cd $FLAKE_PROJECT_ROOT
echo "Removing build directory ./cmake-build-${typeLower}/"
rm -rf ./cmake-build-${typeLower}
echo "Creating build directory"
mkdir cmake-build-${typeLower}
cd cmake-build-${typeLower}
echo "Running cmake"
cmake -G "Ninja" \
-DCMAKE_BUILD_TYPE="${type}" \
..
echo "Linking compile_commands.json"
cd ..
ln -sf ./cmake-build-${typeLower}/compile_commands.json ./compile_commands.json
'';
cmakeDebug = mkCmakeScript "Debug";
cmakeRelease = mkCmakeScript "Release";
mkBuildScript = type: let
typeLower = lib.toLower type;
in
pkgs.writers.writeFish "cmake-build.fish" ''
cd $FLAKE_PROJECT_ROOT/cmake-build-${typeLower}
echo "Running cmake"
NIX_ENFORCE_NO_NATIVE=0 cmake --build . -j$(nproc)
'';
buildDebug = mkBuildScript "Debug";
buildRelease = mkBuildScript "Release";
# Use this to specify commands that should be ran after entering fish shell
initProjectShell = pkgs.writers.writeFish "init-shell.fish" ''
echo "Entering \"${description}\" environment..."
# Determine the project root, used e.g. in cmake scripts
set -g -x FLAKE_PROJECT_ROOT (git rev-parse --show-toplevel)
# C/C++:
abbr -a cmake-debug "${cmakeDebug}"
abbr -a cmake-release "${cmakeRelease}"
abbr -a build-debug "${buildDebug}"
abbr -a build-release "${buildRelease}"
abbr -a debug-clean "${cmakeDebug} && ${buildDebug} && ./cmake-build-debug/masssprings"
abbr -a release-clean "${cmakeRelease} && ${buildRelease} && ./cmake-build-release/masssprings"
abbr -a debug "${buildDebug} && ./cmake-build-debug/masssprings"
abbr -a release "${buildRelease} && ./cmake-build-release/masssprings"
abbr -a run "${buildRelease} && ./cmake-build-release/masssprings"
abbr -a runclusters "${buildRelease} && ./cmake-build-release/masssprings --output=clusters.puzzle --space=rh --moves=10 --blocks=4"
abbr -a runtests "${buildDebug} && ./cmake-build-debug/tests"
abbr -a runbenchs "mv -f benchs.json benchs.old.json; ${buildRelease} && sudo cpupower frequency-set --governor performance && ./cmake-build-release/benchmarks --benchmark_out=benchs.json --benchmark_out_format=console; sudo cpupower frequency-set --governor powersave"
abbr -a rungdb "${buildDebug} && gdb --tui ./cmake-build-debug/masssprings"
abbr -a runvalgrind "${buildDebug} && valgrind --leak-check=full --show-reachable=no --show-leak-kinds=definite,indirect,possible --track-origins=no --suppressions=valgrind.supp --log-file=valgrind.log ./cmake-build-debug/masssprings && cat valgrind.log"
abbr -a runperf "${buildRelease} && perf record -g ./cmake-build-release/masssprings && hotspot ./perf.data"
abbr -a runperf-graph "${buildRelease} && perf record -g ./cmake-build-release/benchmarks --benchmark_filter='explore_state_space' && hotspot ./perf.data"
abbr -a runperf-space "${buildRelease} && perf record -g ./cmake-build-release/benchmarks --benchmark_filter='explore_rush_hour_puzzle_space' && hotspot ./perf.data"
abbr -a runtracy "tracy -a 127.0.0.1 &; ${buildRelease} && sudo -E ./cmake-build-release/masssprings"
abbr -a runclion "clion ./CMakeLists.txt 2>/dev/null 1>&2 & disown;"
'';
in
builtins.concatStringsSep "\n" [
# Launch into pure fish shell
''
exec "$(type -p fish)" -C "source ${initProjectShell}"
''
];
# ===========================================================================================
# Define custom dependencies
# ===========================================================================================
raygui = stdenv.mkDerivation rec {
pname = "raygui";
version = "4.0-unstable-2026-02-24";
src = pkgs.fetchFromGitHub {
owner = "raysan5";
repo = "raygui";
rev = "5788707b6b7000343c14653b1ad3b971ca0597e4";
hash = "sha256-wKylPeNw7wO5xuTfnp1OYETQ78EPlr4NU9erbmIFgjE=";
};
patches = [./raygui.patch];
dontBuild = true;
installPhase = ''
runHook preInstall
mkdir -p $out/{include,lib/pkgconfig}
install -Dm644 src/raygui.h $out/include/raygui.h
cat <<EOF > $out/lib/pkgconfig/raygui.pc
prefix=$out
includedir=$out/include
Name: raygui
Description: Simple and easy-to-use immediate-mode gui library
URL: https://github.com/raysan5/raygui
Version: ${version}
Cflags: -I"{includedir}"
EOF
runHook postInstall
'';
};
thread-pool = stdenv.mkDerivation {
pname = "thread-pool";
version = "5.1.0";
src = pkgs.fetchFromGitHub {
owner = "bshoshany";
repo = "thread-pool";
rev = "bd4533f1f70c2b975cbd5769a60d8eaaea1d2233";
hash = "sha256-/RMo5pe9klgSWmoqBpHMq2lbJsnCxMzhsb3ZPsw3aZw=";
};
# Header-only library
dontBuild = true;
installPhase = ''
runHook preInstall
mkdir -p $out
cp -rv ./include $out/include
runHook postInstall
'';
};
# We can use the pkgs.stdenv for Linux+Windows because it's a header only library.
# The build is required to create the pkg-config/cmake configuration files.
libmorton = stdenv.mkDerivation {
pname = "libmorton";
version = "0.2.12-unstable-2023-05-24";
src = pkgs.fetchFromGitHub {
owner = "Forceflow";
repo = "libmorton";
rev = "7923faa88d7e564020b2d5d408bf8c186ecbe363";
hash = "sha256-5LHiWu2GIuDmfM2gXGbRsFasE7AmVCSRphNdFElbbjk=";
};
nativeBuildInputs = with pkgs; [cmake];
cmakeFlags = [
"-DBUILD_TESTING=OFF"
"-DCMAKE_INSTALL_INCLUDEDIR=include"
"-DCMAKE_INSTALL_DATADIR=share"
];
};
glew-windows = windowsPkgs.stdenv.mkDerivation rec {
pname = "glew-windows";
version = "2.2.0";
src = pkgs.fetchurl {
url = "https://github.com/nigels-com/glew/releases/download/glew-${version}/glew-${version}.tgz";
hash = "sha256-1PyCiTz7ABCVeNChojN/uMozWzzsz5e5flzH8I5DU+E=";
};
nativeBuildInputs = with pkgs; [
cmake
ninja
pkg-config
];
preConfigure = ''
cd build/cmake
'';
cmakeFlags = [
"-DBUILD_UTILS=OFF"
"-DGLEW_OSMESA=OFF"
"-DBUILD_SHARED_LIBS=ON"
"-DCMAKE_POLICY_VERSION_MINIMUM=3.5"
];
installPhase = ''
runHook preInstall
cmake --install . --prefix "$out"
runHook postInstall
'';
};
# ===========================================================================================
# Specify dependencies
# https://nixos.org/manual/nixpkgs/stable/#ssec-stdenv-dependencies-overview
# Just for a "nix develop" shell, buildInputs can be used for everything.
# ===========================================================================================
# Add dependencies to nativeBuildInputs if they are executed during the build:
# - Those which are needed on $PATH during the build, for example cmake and pkg-config
# - Setup hooks, for example makeWrapper
# - Interpreters needed by patchShebangs for build scripts (with the --build flag), which can be the case for e.g. perl
# NOTE: Do not add compiler here, they are provided by the stdenv
nativeBuildInputs = with pkgs; [
# Languages:
# binutils
# C/C++:
cmake
ninja
gdb
valgrind
kdePackages.kcachegrind
perf
hotspot
# heaptrack
# renderdoc
];
# Add dependencies to buildInputs if they will end up copied or linked into the final output or otherwise used at runtime:
# - Libraries used by compilers, for example zlib
# - Interpreters needed by patchShebangs for scripts which are installed, which can be the case for e.g. perl
buildInputs = with pkgs; [
# C/C++:
raylib
raygui
glew
thread-pool
libmorton
boost
# Debugging/Testing/Profiling
tracy_0_13
backward-cpp
libbfd
catch2_3
gbenchmark
];
# ===========================================================================================
# Define buildable + installable packages
# ===========================================================================================
package = stdenv.mkDerivation rec {
inherit buildInputs;
pname = "masssprings";
version = "1.0.0";
src = ./.;
nativeBuildInputs = with pkgs; [
gcc
cmake
# Fix the working directory so the auxiliary files are always available
makeWrapper
];
cmakeFlags = [
"-DDISABLE_THREADPOOL=Off"
"-DDISABLE_TRACY=On"
"-DDISABLE_BACKWARD=On"
"-DDISABLE_TESTS=On"
"-DDISABLE_BENCH=On"
];
hardeningDisable = ["all"];
preConfigure = ''
unset NIX_ENFORCE_NO_NATIVE
'';
installPhase = ''
runHook preInstall
mkdir -p $out/lib
cp ./${pname} $out/lib/
cp -rv $src/default.puzzle $out/lib/
cp -rv $src/fonts $out/lib/fonts
cp -rv $src/shader $out/lib/shader
# The wrapper enters the correct working dir, so fonts/shaders/presets are available
mkdir -p $out/bin
makeWrapper $out/lib/${pname} $out/bin/${pname} --chdir "$out/lib"
# Generate a .desktop file
mkdir -p $out/share/applications
cat <<INI > $out/share/applications/${pname}.desktop
[Desktop Entry]
Terminal=true
Name=PuzzleSpaces
Exec=$out/bin/${pname} %f
Type=Application
INI
runHook postInstall
'';
};
windowsPackage = windowsPkgs.stdenv.mkDerivation rec {
pname = "masssprings";
version = "1.0.0";
src = ./.;
# nativeBuildInputs must be from the build-platform (not cross)
# so we use "pkgs" here, not "windowsPkgs"
nativeBuildInputs = with pkgs; [
cmake
];
buildInputs = with windowsPkgs; [
raylib
raygui
glew-windows
thread-pool
libmorton
# Disable stacktrace since that's platform dependant and won't cross compile to windows
# https://github.com/NixOS/nixpkgs/blob/master/pkgs/development/libraries/boost/generic.nix#L43
(boost.override {
enableShared = false;
extraB2Args = [
"--without-stacktrace"
];
})
];
cmakeFlags = [
"-DCMAKE_SYSTEM_NAME=Windows"
"-DDISABLE_THREADPOOL=Off"
"-DDISABLE_TRACY=On"
"-DDISABLE_BACKWARD=On"
"-DDISABLE_TESTS=On"
"-DDISABLE_BENCH=On"
];
installPhase = ''
runHook preInstall
mkdir -p $out/bin
cp -rv ./${pname}.exe $out/bin/
cp -rv $src/default.puzzle $out/bin/
cp -rv $src/fonts $out/bin/fonts
cp -rv $src/shader $out/bin/shader
runHook postInstall
'';
};
in rec {
# Provide packages for "nix build" and "nix run"
packages = {
default = package;
windows = windowsPackage;
};
apps.default = flake-utils.lib.mkApp {drv = package;};
# Provide environment for "nix develop"
devShells = {
default = pkgs.mkShell {
inherit nativeBuildInputs buildInputs shellHook;
name = description;
# =========================================================================================
# Define environment variables
# =========================================================================================
# Dynamic libraries from buildinputs:
LD_LIBRARY_PATH = nixpkgs.lib.makeLibraryPath buildInputs;
};
# Provide environment with clang stdenv for "nix develop .#clang"
# TODO: Broken. Clang can't find stdlib headers or library headers (raylib, backward, ...).
# Does the clangStdenv not automatically collect the include paths?
clang =
pkgs.mkShell.override {
stdenv = pkgs.clangStdenv;
} {
inherit shellHook;
name = description;
nativeBuildInputs = with pkgs; [
cmake
ninja
];
buildInputs = with pkgs; [
# C/C++:
raylib
raygui
glew
thread-pool
libmorton
boost
# Debugging/Testing/Profiling
backward-cpp
libbfd
catch2_3
gbenchmark
];
# =========================================================================================
# Define environment variables
# =========================================================================================
# Dynamic libraries from buildinputs:
LD_LIBRARY_PATH = nixpkgs.lib.makeLibraryPath buildInputs;
};
};
}
);
}