{ stdenv, lib, buildPythonPackage, pythonOlder, fetchFromGitHub, cmake, ninja, setuptools, boost, eigen, python, catch, numpy, pytestCheckHook, libxcrypt, makeSetupHook, }: let setupHook = makeSetupHook { name = "pybind11-setup-hook"; substitutions = { out = placeholder "out"; pythonInterpreter = python.pythonOnBuildForHost.interpreter; pythonIncludeDir = "${python}/include/python${python.pythonVersion}"; pythonSitePackages = "${python}/${python.sitePackages}"; }; } ./setup-hook.sh; # clang 16 defaults to C++17, which results in the use of aligned allocations by pybind11. # libc++ supports aligned allocations via `posix_memalign`, which is available since 10.6, # but clang has a check hard-coded requiring 10.13 because that’s when Apple first shipped a # support for C++17 aligned allocations on macOS. # Tell clang we’re targeting 10.13 on x86_64-darwin while continuing to use the default SDK. stdenv' = if stdenv.hostPlatform.isDarwin && stdenv.hostPlatform.isx86_64 then python.stdenv.override (oldStdenv: { buildPlatform = oldStdenv.buildPlatform // { darwinMinVersion = "10.13"; }; targetPlatform = oldStdenv.targetPlatform // { darwinMinVersion = "10.13"; }; hostPlatform = oldStdenv.hostPlatform // { darwinMinVersion = "10.13"; }; }) else python.stdenv; in buildPythonPackage rec { pname = "pybind11"; version = "2.13.5"; pyproject = true; src = fetchFromGitHub { owner = "pybind"; repo = "pybind11"; rev = "v${version}"; hash = "sha256-cpxhrTFihA+gWmX62a+EQF3lccUyvu+d1MU2IC/CN6Q="; }; build-system = [ cmake ninja setuptools ]; buildInputs = lib.optionals (pythonOlder "3.9") [ libxcrypt ]; propagatedNativeBuildInputs = [ setupHook ]; stdenv = stdenv'; dontUseCmakeBuildDir = true; # Don't build tests if not needed, read the doInstallCheck value at runtime preConfigure = '' if [ -n "$doInstallCheck" ]; then cmakeFlagsArray+=("-DBUILD_TESTING=ON") fi ''; cmakeFlags = [ "-DBoost_INCLUDE_DIR=${lib.getDev boost}/include" "-DEIGEN3_INCLUDE_DIR=${lib.getDev eigen}/include/eigen3" ] ++ lib.optionals (python.isPy3k && !stdenv.cc.isClang) [ "-DPYBIND11_CXX_STANDARD=-std=c++17" ]; postBuild = '' # build tests make -j $NIX_BUILD_CORES ''; postInstall = '' make install # Symlink the CMake-installed headers to the location expected by setuptools mkdir -p $out/include/${python.libPrefix} ln -sf $out/include/pybind11 $out/include/${python.libPrefix}/pybind11 ''; nativeCheckInputs = [ catch numpy pytestCheckHook ]; disabledTestPaths = [ # require dependencies not available in nixpkgs "tests/test_embed/test_trampoline.py" "tests/test_embed/test_interpreter.py" # numpy changed __repr__ output of numpy dtypes "tests/test_numpy_dtypes.py" # no need to test internal packaging "tests/extra_python_package/test_files.py" # tests that try to parse setuptools stdout "tests/extra_setuptools/test_setuphelper.py" ]; disabledTests = lib.optionals stdenv.hostPlatform.isDarwin [ # expects KeyError, gets RuntimeError # https://github.com/pybind/pybind11/issues/4243 "test_cross_module_exception_translator" ]; hardeningDisable = lib.optional stdenv.hostPlatform.isMusl "fortify"; meta = with lib; { homepage = "https://github.com/pybind/pybind11"; changelog = "https://github.com/pybind/pybind11/blob/${src.rev}/docs/changelog.rst"; description = "Seamless operability between C++11 and Python"; mainProgram = "pybind11-config"; longDescription = '' Pybind11 is a lightweight header-only library that exposes C++ types in Python and vice versa, mainly to create Python bindings of existing C++ code. ''; license = licenses.bsd3; maintainers = with maintainers; [ yuriaisaka dotlambda ]; }; }