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407 lines
14 KiB
CMake
407 lines
14 KiB
CMake
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# CMakeLists.txt -- Build system for the pybind11 test suite
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#
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# Copyright (c) 2015 Wenzel Jakob <wenzel@inf.ethz.ch>
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#
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# All rights reserved. Use of this source code is governed by a
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# BSD-style license that can be found in the LICENSE file.
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cmake_minimum_required(VERSION 3.4)
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# The `cmake_minimum_required(VERSION 3.4...3.18)` syntax does not work with
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# some versions of VS that have a patched CMake 3.11. This forces us to emulate
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# the behavior using the following workaround:
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if(${CMAKE_VERSION} VERSION_LESS 3.18)
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cmake_policy(VERSION ${CMAKE_MAJOR_VERSION}.${CMAKE_MINOR_VERSION})
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else()
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cmake_policy(VERSION 3.18)
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endif()
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# Only needed for CMake < 3.5 support
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include(CMakeParseArguments)
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# Filter out items; print an optional message if any items filtered
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#
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# Usage:
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# pybind11_filter_tests(LISTNAME file1.cpp file2.cpp ... MESSAGE "")
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#
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macro(PYBIND11_FILTER_TESTS LISTNAME)
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cmake_parse_arguments(ARG "" "MESSAGE" "" ${ARGN})
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set(PYBIND11_FILTER_TESTS_FOUND OFF)
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foreach(filename IN LISTS ARG_UNPARSED_ARGUMENTS)
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list(FIND ${LISTNAME} ${filename} _FILE_FOUND)
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if(_FILE_FOUND GREATER -1)
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list(REMOVE_AT ${LISTNAME} ${_FILE_FOUND})
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set(PYBIND11_FILTER_TESTS_FOUND ON)
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endif()
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endforeach()
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if(PYBIND11_FILTER_TESTS_FOUND AND ARG_MESSAGE)
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message(STATUS "${ARG_MESSAGE}")
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endif()
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endmacro()
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# New Python support
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if(DEFINED Python_EXECUTABLE)
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set(PYTHON_EXECUTABLE "${Python_EXECUTABLE}")
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set(PYTHON_VERSION "${Python_VERSION}")
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endif()
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# There's no harm in including a project in a project
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project(pybind11_tests CXX)
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# Access FindCatch and more
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list(APPEND CMAKE_MODULE_PATH "${CMAKE_CURRENT_LIST_DIR}/../tools")
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option(PYBIND11_WERROR "Report all warnings as errors" OFF)
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option(DOWNLOAD_EIGEN "Download EIGEN (requires CMake 3.11+)" OFF)
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option(PYBIND11_CUDA_TESTS "Enable building CUDA tests (requires CMake 3.12+)" OFF)
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set(PYBIND11_TEST_OVERRIDE
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""
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CACHE STRING "Tests from ;-separated list of *.cpp files will be built instead of all tests")
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set(PYBIND11_TEST_FILTER
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""
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CACHE STRING "Tests from ;-separated list of *.cpp files will be removed from all tests")
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if(CMAKE_CURRENT_SOURCE_DIR STREQUAL CMAKE_SOURCE_DIR)
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# We're being loaded directly, i.e. not via add_subdirectory, so make this
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# work as its own project and load the pybind11Config to get the tools we need
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find_package(pybind11 REQUIRED CONFIG)
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endif()
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if(NOT CMAKE_BUILD_TYPE AND NOT CMAKE_CONFIGURATION_TYPES)
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message(STATUS "Setting tests build type to MinSizeRel as none was specified")
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set(CMAKE_BUILD_TYPE
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MinSizeRel
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CACHE STRING "Choose the type of build." FORCE)
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set_property(CACHE CMAKE_BUILD_TYPE PROPERTY STRINGS "Debug" "Release" "MinSizeRel"
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"RelWithDebInfo")
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endif()
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if(PYBIND11_CUDA_TESTS)
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enable_language(CUDA)
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if(DEFINED CMAKE_CXX_STANDARD)
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set(CMAKE_CUDA_STANDARD ${CMAKE_CXX_STANDARD})
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endif()
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set(CMAKE_CUDA_STANDARD_REQUIRED ON)
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endif()
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# Full set of test files (you can override these; see below)
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set(PYBIND11_TEST_FILES
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test_async.cpp
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test_buffers.cpp
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test_builtin_casters.cpp
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test_call_policies.cpp
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test_callbacks.cpp
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test_chrono.cpp
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test_class.cpp
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test_constants_and_functions.cpp
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test_copy_move.cpp
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test_custom_type_casters.cpp
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test_docstring_options.cpp
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test_eigen.cpp
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test_enum.cpp
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test_eval.cpp
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test_exceptions.cpp
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test_factory_constructors.cpp
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test_gil_scoped.cpp
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test_iostream.cpp
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test_kwargs_and_defaults.cpp
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test_local_bindings.cpp
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test_methods_and_attributes.cpp
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test_modules.cpp
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test_multiple_inheritance.cpp
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test_numpy_array.cpp
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test_numpy_dtypes.cpp
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test_numpy_vectorize.cpp
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test_opaque_types.cpp
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test_operator_overloading.cpp
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test_pickling.cpp
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test_pytypes.cpp
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test_sequences_and_iterators.cpp
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test_smart_ptr.cpp
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test_stl.cpp
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test_stl_binders.cpp
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test_tagbased_polymorphic.cpp
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test_union.cpp
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test_virtual_functions.cpp)
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# Invoking cmake with something like:
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# cmake -DPYBIND11_TEST_OVERRIDE="test_callbacks.cpp;test_pickling.cpp" ..
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# lets you override the tests that get compiled and run. You can restore to all tests with:
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# cmake -DPYBIND11_TEST_OVERRIDE= ..
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if(PYBIND11_TEST_OVERRIDE)
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set(PYBIND11_TEST_FILES ${PYBIND11_TEST_OVERRIDE})
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endif()
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# You can also filter tests:
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if(PYBIND11_TEST_FILTER)
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pybind11_filter_tests(PYBIND11_TEST_FILES ${PYBIND11_TEST_FILTER})
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endif()
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if(PYTHON_VERSION VERSION_LESS 3.5)
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pybind11_filter_tests(PYBIND11_TEST_FILES test_async.cpp MESSAGE
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"Skipping test_async on Python 2")
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endif()
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# Skip tests for CUDA check:
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# /pybind11/tests/test_constants_and_functions.cpp(125):
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# error: incompatible exception specifications
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if(PYBIND11_CUDA_TESTS)
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pybind11_filter_tests(
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PYBIND11_TEST_FILES test_constants_and_functions.cpp MESSAGE
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"Skipping test_constants_and_functions due to incompatible exception specifications")
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endif()
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string(REPLACE ".cpp" ".py" PYBIND11_PYTEST_FILES "${PYBIND11_TEST_FILES}")
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# Contains the set of test files that require pybind11_cross_module_tests to be
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# built; if none of these are built (i.e. because TEST_OVERRIDE is used and
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# doesn't include them) the second module doesn't get built.
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set(PYBIND11_CROSS_MODULE_TESTS test_exceptions.py test_local_bindings.py test_stl.py
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test_stl_binders.py)
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set(PYBIND11_CROSS_MODULE_GIL_TESTS test_gil_scoped.py)
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# Check if Eigen is available; if not, remove from PYBIND11_TEST_FILES (but
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# keep it in PYBIND11_PYTEST_FILES, so that we get the "eigen is not installed"
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# skip message).
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list(FIND PYBIND11_TEST_FILES test_eigen.cpp PYBIND11_TEST_FILES_EIGEN_I)
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if(PYBIND11_TEST_FILES_EIGEN_I GREATER -1)
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# Try loading via newer Eigen's Eigen3Config first (bypassing tools/FindEigen3.cmake).
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# Eigen 3.3.1+ exports a cmake 3.0+ target for handling dependency requirements, but also
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# produces a fatal error if loaded from a pre-3.0 cmake.
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if(DOWNLOAD_EIGEN)
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if(CMAKE_VERSION VERSION_LESS 3.11)
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message(FATAL_ERROR "CMake 3.11+ required when using DOWNLOAD_EIGEN")
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endif()
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set(EIGEN3_VERSION_STRING "3.3.8")
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include(FetchContent)
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FetchContent_Declare(
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eigen
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GIT_REPOSITORY https://gitlab.com/libeigen/eigen.git
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GIT_TAG ${EIGEN3_VERSION_STRING})
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FetchContent_GetProperties(eigen)
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if(NOT eigen_POPULATED)
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message(STATUS "Downloading Eigen")
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FetchContent_Populate(eigen)
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endif()
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set(EIGEN3_INCLUDE_DIR ${eigen_SOURCE_DIR})
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set(EIGEN3_FOUND TRUE)
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else()
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find_package(Eigen3 3.2.7 QUIET CONFIG)
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if(NOT EIGEN3_FOUND)
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# Couldn't load via target, so fall back to allowing module mode finding, which will pick up
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# tools/FindEigen3.cmake
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find_package(Eigen3 3.2.7 QUIET)
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endif()
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endif()
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if(EIGEN3_FOUND)
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if(NOT TARGET Eigen3::Eigen)
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add_library(Eigen3::Eigen IMPORTED INTERFACE)
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set_property(TARGET Eigen3::Eigen PROPERTY INTERFACE_INCLUDE_DIRECTORIES
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"${EIGEN3_INCLUDE_DIR}")
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endif()
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# Eigen 3.3.1+ cmake sets EIGEN3_VERSION_STRING (and hard codes the version when installed
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# rather than looking it up in the cmake script); older versions, and the
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# tools/FindEigen3.cmake, set EIGEN3_VERSION instead.
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if(NOT EIGEN3_VERSION AND EIGEN3_VERSION_STRING)
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set(EIGEN3_VERSION ${EIGEN3_VERSION_STRING})
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endif()
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message(STATUS "Building tests with Eigen v${EIGEN3_VERSION}")
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else()
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list(REMOVE_AT PYBIND11_TEST_FILES ${PYBIND11_TEST_FILES_EIGEN_I})
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message(STATUS "Building tests WITHOUT Eigen, use -DDOWNLOAD_EIGEN on CMake 3.11+ to download")
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endif()
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endif()
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# Optional dependency for some tests (boost::variant is only supported with version >= 1.56)
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find_package(Boost 1.56)
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if(Boost_FOUND)
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if(NOT TARGET Boost::headers)
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add_library(Boost::headers IMPORTED INTERFACE)
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if(TARGET Boost::boost)
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# Classic FindBoost
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set_property(TARGET Boost::boost PROPERTY INTERFACE_LINK_LIBRARIES Boost::boost)
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else()
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# Very old FindBoost, or newer Boost than CMake in older CMakes
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set_property(TARGET Boost::headers PROPERTY INTERFACE_INCLUDE_DIRECTORIES
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${Boost_INCLUDE_DIRS})
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endif()
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endif()
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endif()
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# Compile with compiler warnings turned on
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function(pybind11_enable_warnings target_name)
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if(MSVC)
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target_compile_options(${target_name} PRIVATE /W4)
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elseif(CMAKE_CXX_COMPILER_ID MATCHES "(GNU|Intel|Clang)" AND NOT PYBIND11_CUDA_TESTS)
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target_compile_options(${target_name} PRIVATE -Wall -Wextra -Wconversion -Wcast-qual
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-Wdeprecated -Wundef)
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endif()
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if(PYBIND11_WERROR)
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if(MSVC)
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target_compile_options(${target_name} PRIVATE /WX)
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elseif(PYBIND11_CUDA_TESTS)
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target_compile_options(${target_name} PRIVATE "SHELL:-Werror all-warnings")
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elseif(CMAKE_CXX_COMPILER_ID MATCHES "(GNU|Intel|Clang)")
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target_compile_options(${target_name} PRIVATE -Werror)
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endif()
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endif()
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# Needs to be readded since the ordering requires these to be after the ones above
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if(CMAKE_CXX_STANDARD
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AND CMAKE_CXX_COMPILER_ID MATCHES "Clang"
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AND PYTHON_VERSION VERSION_LESS 3.0)
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if(CMAKE_CXX_STANDARD LESS 17)
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target_compile_options(${target_name} PUBLIC -Wno-deprecated-register)
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else()
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target_compile_options(${target_name} PUBLIC -Wno-register)
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endif()
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endif()
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endfunction()
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set(test_targets pybind11_tests)
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# Build pybind11_cross_module_tests if any test_whatever.py are being built that require it
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foreach(t ${PYBIND11_CROSS_MODULE_TESTS})
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list(FIND PYBIND11_PYTEST_FILES ${t} i)
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if(i GREATER -1)
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list(APPEND test_targets pybind11_cross_module_tests)
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break()
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endif()
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endforeach()
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foreach(t ${PYBIND11_CROSS_MODULE_GIL_TESTS})
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list(FIND PYBIND11_PYTEST_FILES ${t} i)
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if(i GREATER -1)
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list(APPEND test_targets cross_module_gil_utils)
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break()
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endif()
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endforeach()
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# Support CUDA testing by forcing the target file to compile with NVCC
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if(PYBIND11_CUDA_TESTS)
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set_property(SOURCE ${PYBIND11_TEST_FILES} PROPERTY LANGUAGE CUDA)
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endif()
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foreach(target ${test_targets})
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set(test_files ${PYBIND11_TEST_FILES})
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if(NOT "${target}" STREQUAL "pybind11_tests")
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set(test_files "")
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endif()
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# Support CUDA testing by forcing the target file to compile with NVCC
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if(PYBIND11_CUDA_TESTS)
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set_property(SOURCE ${target}.cpp PROPERTY LANGUAGE CUDA)
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endif()
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# Create the binding library
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pybind11_add_module(${target} THIN_LTO ${target}.cpp ${test_files} ${PYBIND11_HEADERS})
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pybind11_enable_warnings(${target})
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if(NOT CMAKE_CURRENT_SOURCE_DIR STREQUAL CMAKE_CURRENT_BINARY_DIR)
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get_property(
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suffix
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TARGET ${target}
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PROPERTY SUFFIX)
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set(source_output "${CMAKE_CURRENT_SOURCE_DIR}/${target}${suffix}")
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if(suffix AND EXISTS "${source_output}")
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message(WARNING "Output file also in source directory; "
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"please remove to avoid confusion: ${source_output}")
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endif()
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endif()
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if(MSVC)
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target_compile_options(${target} PRIVATE /utf-8)
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endif()
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if(EIGEN3_FOUND)
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target_link_libraries(${target} PRIVATE Eigen3::Eigen)
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target_compile_definitions(${target} PRIVATE -DPYBIND11_TEST_EIGEN)
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endif()
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if(Boost_FOUND)
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target_link_libraries(${target} PRIVATE Boost::headers)
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target_compile_definitions(${target} PRIVATE -DPYBIND11_TEST_BOOST)
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endif()
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# Always write the output file directly into the 'tests' directory (even on MSVC)
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if(NOT CMAKE_LIBRARY_OUTPUT_DIRECTORY)
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set_target_properties(${target} PROPERTIES LIBRARY_OUTPUT_DIRECTORY
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"${CMAKE_CURRENT_BINARY_DIR}")
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foreach(config ${CMAKE_CONFIGURATION_TYPES})
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string(TOUPPER ${config} config)
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set_target_properties(${target} PROPERTIES LIBRARY_OUTPUT_DIRECTORY_${config}
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"${CMAKE_CURRENT_BINARY_DIR}")
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endforeach()
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endif()
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endforeach()
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# Make sure pytest is found or produce a warning
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pybind11_find_import(pytest VERSION 3.1)
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if(NOT CMAKE_CURRENT_SOURCE_DIR STREQUAL CMAKE_CURRENT_BINARY_DIR)
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# This is not used later in the build, so it's okay to regenerate each time.
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configure_file("${CMAKE_CURRENT_SOURCE_DIR}/pytest.ini" "${CMAKE_CURRENT_BINARY_DIR}/pytest.ini"
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COPYONLY)
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file(APPEND "${CMAKE_CURRENT_BINARY_DIR}/pytest.ini"
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"\ntestpaths = \"${CMAKE_CURRENT_SOURCE_DIR}\"")
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endif()
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# cmake 3.12 added list(transform <list> prepend
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# but we can't use it yet
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string(REPLACE "test_" "${CMAKE_CURRENT_SOURCE_DIR}/test_" PYBIND11_ABS_PYTEST_FILES
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"${PYBIND11_PYTEST_FILES}")
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# A single command to compile and run the tests
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add_custom_target(
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pytest
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COMMAND ${PYTHON_EXECUTABLE} -m pytest ${PYBIND11_ABS_PYTEST_FILES}
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||
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DEPENDS ${test_targets}
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WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}
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USES_TERMINAL)
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if(PYBIND11_TEST_OVERRIDE)
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add_custom_command(
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||
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TARGET pytest
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POST_BUILD
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||
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COMMAND ${CMAKE_COMMAND} -E echo
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||
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"Note: not all tests run: -DPYBIND11_TEST_OVERRIDE is in effect")
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||
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endif()
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# Add a check target to run all the tests, starting with pytest (we add dependencies to this below)
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||
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add_custom_target(check DEPENDS pytest)
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|
# The remaining tests only apply when being built as part of the pybind11 project, but not if the
|
||
|
# tests are being built independently.
|
||
|
if(CMAKE_CURRENT_SOURCE_DIR STREQUAL CMAKE_SOURCE_DIR)
|
||
|
return()
|
||
|
endif()
|
||
|
|
||
|
# Add a post-build comment to show the primary test suite .so size and, if a previous size, compare it:
|
||
|
add_custom_command(
|
||
|
TARGET pybind11_tests
|
||
|
POST_BUILD
|
||
|
COMMAND
|
||
|
${PYTHON_EXECUTABLE} ${CMAKE_CURRENT_SOURCE_DIR}/../tools/libsize.py
|
||
|
$<TARGET_FILE:pybind11_tests>
|
||
|
${CMAKE_CURRENT_BINARY_DIR}/sosize-$<TARGET_FILE_NAME:pybind11_tests>.txt)
|
||
|
|
||
|
if(NOT PYBIND11_CUDA_TESTS)
|
||
|
# Test embedding the interpreter. Provides the `cpptest` target.
|
||
|
add_subdirectory(test_embed)
|
||
|
|
||
|
# Test CMake build using functions and targets from subdirectory or installed location
|
||
|
add_subdirectory(test_cmake_build)
|
||
|
endif()
|