135 lines
3.9 KiB
Nix
135 lines
3.9 KiB
Nix
{ stdenv
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, lib
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, buildPythonPackage
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, pythonOlder
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, fetchFromGitHub
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, cmake
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, ninja
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, setuptools
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, boost
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, eigen
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, python
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, catch
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, numpy
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, pytestCheckHook
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, libxcrypt
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, makeSetupHook
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}: let
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setupHook = makeSetupHook {
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name = "pybind11-setup-hook";
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substitutions = {
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out = placeholder "out";
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pythonInterpreter = python.pythonOnBuildForHost.interpreter;
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pythonIncludeDir = "${python}/include/python${python.pythonVersion}";
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pythonSitePackages = "${python}/${python.sitePackages}";
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};
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} ./setup-hook.sh;
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# clang 16 defaults to C++17, which results in the use of aligned allocations by pybind11.
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# libc++ supports aligned allocations via `posix_memalign`, which is available since 10.6,
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# but clang has a check hard-coded requiring 10.13 because that’s when Apple first shipped a
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# support for C++17 aligned allocations on macOS.
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# Tell clang we’re targeting 10.13 on x86_64-darwin while continuing to use the default SDK.
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stdenv' = if stdenv.isDarwin && stdenv.isx86_64
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then python.stdenv.override (oldStdenv: {
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buildPlatform = oldStdenv.buildPlatform // { darwinMinVersion = "10.13"; };
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targetPlatform = oldStdenv.targetPlatform // { darwinMinVersion = "10.13"; };
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hostPlatform = oldStdenv.hostPlatform // { darwinMinVersion = "10.13"; };
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})
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else python.stdenv;
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in buildPythonPackage rec {
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pname = "pybind11";
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version = "2.12.0";
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pyproject = true;
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src = fetchFromGitHub {
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owner = "pybind";
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repo = "pybind11";
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rev = "v${version}";
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hash = "sha256-DVkI5NxM5uME9m3PFYVpJOOa2j+yjL6AJn76fCTv2nE=";
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};
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postPatch = ''
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substituteInPlace pyproject.toml \
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--replace-fail "timeout=300" ""
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'';
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build-system = [
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cmake
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ninja
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setuptools
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];
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buildInputs = lib.optionals (pythonOlder "3.9") [ libxcrypt ];
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propagatedNativeBuildInputs = [ setupHook ];
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stdenv = stdenv';
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dontUseCmakeBuildDir = true;
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# Don't build tests if not needed, read the doInstallCheck value at runtime
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preConfigure = ''
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if [ -n "$doInstallCheck" ]; then
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cmakeFlagsArray+=("-DBUILD_TESTING=ON")
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fi
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'';
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cmakeFlags = [
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"-DBoost_INCLUDE_DIR=${lib.getDev boost}/include"
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"-DEIGEN3_INCLUDE_DIR=${lib.getDev eigen}/include/eigen3"
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] ++ lib.optionals (python.isPy3k && !stdenv.cc.isClang) [
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"-DPYBIND11_CXX_STANDARD=-std=c++17"
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];
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postBuild = ''
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# build tests
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make -j $NIX_BUILD_CORES
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'';
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postInstall = ''
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make install
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# Symlink the CMake-installed headers to the location expected by setuptools
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mkdir -p $out/include/${python.libPrefix}
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ln -sf $out/include/pybind11 $out/include/${python.libPrefix}/pybind11
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'';
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nativeCheckInputs = [
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catch
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numpy
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pytestCheckHook
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];
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disabledTestPaths = [
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# require dependencies not available in nixpkgs
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"tests/test_embed/test_trampoline.py"
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"tests/test_embed/test_interpreter.py"
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# numpy changed __repr__ output of numpy dtypes
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"tests/test_numpy_dtypes.py"
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# no need to test internal packaging
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"tests/extra_python_package/test_files.py"
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# tests that try to parse setuptools stdout
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"tests/extra_setuptools/test_setuphelper.py"
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];
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disabledTests = lib.optionals stdenv.isDarwin [
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# expects KeyError, gets RuntimeError
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# https://github.com/pybind/pybind11/issues/4243
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"test_cross_module_exception_translator"
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];
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hardeningDisable = lib.optional stdenv.hostPlatform.isMusl "fortify";
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meta = with lib; {
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homepage = "https://github.com/pybind/pybind11";
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changelog = "https://github.com/pybind/pybind11/blob/${src.rev}/docs/changelog.rst";
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description = "Seamless operability between C++11 and Python";
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mainProgram = "pybind11-config";
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longDescription = ''
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Pybind11 is a lightweight header-only library that exposes
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C++ types in Python and vice versa, mainly to create Python
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bindings of existing C++ code.
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'';
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license = licenses.bsd3;
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maintainers = with maintainers; [ yuriaisaka dotlambda ];
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};
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}
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