{ lib , stdenv , fetchFromGitHub , cmake }: stdenv.mkDerivation rec { pname = "clipper2"; version = "1.4.0"; src = fetchFromGitHub { owner = "AngusJohnson"; repo = "Clipper2"; rev = "Clipper2_${version}"; hash = "sha256-ASL9uKkXsWyIbD1qaKEL7gf/JuCqzZQZSKHwLT5dKJU="; }; sourceRoot = "${src.name}/CPP"; nativeBuildInputs = [ cmake ]; cmakeFlags = [ "-DCLIPPER2_EXAMPLES=OFF" "-DCLIPPER2_TESTS=OFF" "-DBUILD_SHARED_LIBS=ON" ]; patches = [ ./0001-fix-pc-paths.patch ]; meta = { description = "Polygon Clipping and Offsetting - C++ Only"; longDescription = '' The Clipper2 library performs intersection, union, difference and XOR boolean operations on both simple and complex polygons. It also performs polygon offsetting. ''; homepage = "https://github.com/AngusJohnson/Clipper2"; license = lib.licenses.boost; maintainers = [ lib.maintainers.cadkin ]; platforms = lib.platforms.all; }; }