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{
description = "RelationalNT CMake build";
inputs = {
nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
picosha2 = {
url = "github:okdshin/PicoSHA2";
flake = false;
};
};
outputs = { self, nixpkgs, picosha2 }:
let
systems = [
"x86_64-linux"
"aarch64-linux"
"x86_64-darwin"
"aarch64-darwin"
];
forAllSystems = nixpkgs.lib.genAttrs systems;
# Shared per-system derivations used by both the package and the dev shell.
mkDeps = system:
let
pkgs = import nixpkgs { inherit system; };
# Maps the vcpkg-style unofficial::sqlite3::sqlite3 CMake
# target to the system SQLite3 package. Required because CMakeLists.txt
# calls target_link_libraries(... unofficial::sqlite3::sqlite3).
unofficialSqlite3Config = pkgs.writeTextDir
"share/unofficial-sqlite3/unofficial-sqlite3-config.cmake"
''
include(CMakeFindDependencyMacro)
find_dependency(SQLite3 REQUIRED)
if(NOT TARGET unofficial::sqlite3::sqlite3)
add_library(unofficial::sqlite3::sqlite3 INTERFACE IMPORTED)
target_link_libraries(unofficial::sqlite3::sqlite3 INTERFACE SQLite::SQLite3)
endif()
'';
# PicoSHA2 is a single-header library; extract just the header.
picosha2Headers = pkgs.runCommand "picosha2-headers" { } ''
install -Dm644 ${picosha2}/picosha2.h $out/include/picosha2.h
'';
in { inherit pkgs unofficialSqlite3Config picosha2Headers; };
in
{
packages = forAllSystems (system:
let
inherit (mkDeps system) pkgs unofficialSqlite3Config picosha2Headers;
in
{
default = pkgs.stdenv.mkDerivation {
pname = "relationalnt";
version = "0.1.0";
src = self;
nativeBuildInputs = [
pkgs.cmake
pkgs.ninja
];
buildInputs = [
pkgs.catch2_3
picosha2Headers
pkgs.sqlite
unofficialSqlite3Config
];
cmakeFlags = [
"-DCMAKE_BUILD_TYPE=Release"
];
doCheck = true;
checkPhase = ''
runHook preCheck
ctest --output-on-failure
runHook postCheck
'';
installPhase = ''
runHook preInstall
install -Dm755 RelationalNT "$out/bin/RelationalNT"
install -Dm755 RNT_tests "$out/bin/RNT_tests"
for lib in libRNT.so libRNT.dylib; do
if [ -f "$lib" ]; then
install -Dm755 "$lib" "$out/lib/$lib"
fi
done
install -Dm644 ../include/RNT_C_API.h "$out/include/RNT_C_API.h"
runHook postInstall
'';
meta = {
description = "Experimental database kernel inspired by the Windows NT object manager";
mainProgram = "RelationalNT";
};
};
});
devShells = forAllSystems (system:
let
inherit (mkDeps system) pkgs unofficialSqlite3Config picosha2Headers;
# Wrapper that invokes clangd with the Nix toolchain's compiler paths,
# enabling accurate diagnostics in editors that use compile_commands.json.
clangdRnt = pkgs.writeShellScriptBin "clangd-rnt" ''
exec ${pkgs.clang-tools}/bin/clangd \
--query-driver='${pkgs.stdenv.cc}/bin/*,/usr/bin/clang,/usr/bin/clang++' \
"$@"
'';
in
{
default = pkgs.mkShell {
packages = [
pkgs.catch2_3
pkgs.clang-tools
pkgs.cmake
pkgs.lldb
pkgs.ninja
clangdRnt
picosha2Headers
pkgs.sqlite
unofficialSqlite3Config
];
CC = "${pkgs.stdenv.cc}/bin/cc";
CXX = "${pkgs.stdenv.cc}/bin/c++";
CMAKE_PREFIX_PATH = pkgs.lib.makeSearchPathOutput "dev" "" [
picosha2Headers
pkgs.sqlite
unofficialSqlite3Config
];
CMAKE_INCLUDE_PATH = pkgs.lib.makeSearchPathOutput "dev" "include" [
picosha2Headers
pkgs.sqlite
];
CMAKE_LIBRARY_PATH = pkgs.lib.makeLibraryPath [
pkgs.sqlite
];
CPATH = pkgs.lib.makeSearchPathOutput "dev" "include" [
picosha2Headers
pkgs.sqlite
];
C_INCLUDE_PATH = pkgs.lib.makeSearchPathOutput "dev" "include" [
pkgs.sqlite
];
CPLUS_INCLUDE_PATH = pkgs.lib.makeSearchPathOutput "dev" "include" [
picosha2Headers
pkgs.sqlite
];
LIBRARY_PATH = pkgs.lib.makeLibraryPath [
pkgs.sqlite
];
DYLD_LIBRARY_PATH = pkgs.lib.makeLibraryPath [
pkgs.sqlite
];
PKG_CONFIG_PATH = pkgs.lib.makeSearchPathOutput "dev" "lib/pkgconfig" [
pkgs.sqlite
];
shellHook = ''
export NIX_CFLAGS_COMPILE="-I${picosha2Headers}/include -I${pkgs.sqlite.dev}/include $NIX_CFLAGS_COMPILE"
export NIX_LDFLAGS="-L${pkgs.sqlite.out}/lib $NIX_LDFLAGS"
'';
};
});
apps = forAllSystems (system: {
default = {
type = "app";
program = "${self.packages.${system}.default}/bin/RelationalNT";
};
});
};
}
|
