{ lib , stdenv , fetchFromGitHub , cmake , python3 }: stdenv.mkDerivation rec { pname = "catch2"; version = "3.5.2"; src = fetchFromGitHub { owner = "catchorg"; repo = "Catch2"; rev = "v${version}"; hash = "sha256-xGPfXjk+oOnR7JqTrZd2pKJxalrlS8CMs7HWDClXaS8="; }; nativeBuildInputs = [ cmake ]; cmakeFlags = [ "-DCATCH_DEVELOPMENT_BUILD=ON" "-DCATCH_BUILD_TESTING=${if doCheck then "ON" else "OFF"}" ] ++ lib.optionals (stdenv.isDarwin && doCheck) [ # test has a faulty path normalization technique that won't work in # our darwin build environment https://github.com/catchorg/Catch2/issues/1691 "-DCMAKE_CTEST_ARGUMENTS=-E;ApprovalTests" ]; # Tests fail on x86_32 if compiled with x87 floats: https://github.com/catchorg/Catch2/issues/2796 env = lib.optionalAttrs stdenv.isx86_32 { NIX_CFLAGS_COMPILE = "-msse2 -mfpmath=sse"; }; doCheck = true; nativeCheckInputs = [ python3 ]; meta = { description = "Modern, C++-native, test framework for unit-tests"; homepage = "https://github.com/catchorg/Catch2"; changelog = "https://github.com/catchorg/Catch2/blob/${src.rev}/docs/release-notes.md"; license = lib.licenses.boost; maintainers = with lib.maintainers; [ dotlambda ]; platforms = lib.platforms.unix; }; }