240 lines
8.6 KiB
CMake
240 lines
8.6 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 2.8.12)
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option(PYBIND11_WERROR "Report all warnings as errors" OFF)
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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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project(pybind11_tests CXX)
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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 MinSizeRel CACHE STRING "Choose the type of build." FORCE)
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set_property(CACHE CMAKE_BUILD_TYPE PROPERTY STRINGS "Debug" "Release"
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"MinSizeRel" "RelWithDebInfo")
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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_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_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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)
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# Invoking cmake with something like:
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# cmake -DPYBIND11_TEST_OVERRIDE="test_callbacks.cpp;test_picking.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 ${PYBIND11_TEST_OVERRIDE})
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endif()
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string(REPLACE ".cpp" ".py" PYBIND11_PYTEST_FILES "${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
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test_exceptions.py
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test_local_bindings.py
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test_stl.py
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test_stl_binders.py
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)
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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 (NOT CMAKE_VERSION VERSION_LESS 3.0)
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find_package(Eigen3 3.2.7 QUIET CONFIG)
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if (EIGEN3_FOUND)
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if (EIGEN3_VERSION_STRING AND NOT EIGEN3_VERSION_STRING VERSION_LESS 3.3.1)
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set(PYBIND11_EIGEN_VIA_TARGET 1)
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endif()
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endif()
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endif()
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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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if(EIGEN3_FOUND)
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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 ${PYBIND11_TEST_FILES_EIGEN_I})
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message(STATUS "Building tests WITHOUT Eigen")
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endif()
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endif()
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# Optional dependency for some tests (boost::variant is only supported with version >= 1.56)
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find_package(Boost 1.56)
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# Compile with compiler warnings turned on
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function(pybind11_enable_warnings target_name)
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if(MSVC)
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target_compile_options(${target_name} PRIVATE /W4)
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elseif(CMAKE_CXX_COMPILER_ID MATCHES "(GNU|Intel|Clang)")
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target_compile_options(${target_name} PRIVATE -Wall -Wextra -Wconversion -Wcast-qual -Wdeprecated)
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endif()
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if(PYBIND11_WERROR)
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if(MSVC)
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target_compile_options(${target_name} PRIVATE /WX)
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elseif(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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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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set(testdir ${CMAKE_CURRENT_SOURCE_DIR})
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foreach(target ${test_targets})
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set(test_files ${PYBIND11_TEST_FILES})
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if(NOT target STREQUAL "pybind11_tests")
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set(test_files "")
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endif()
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# Create the binding library
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pybind11_add_module(${target} THIN_LTO ${target}.cpp ${test_files} ${PYBIND11_HEADERS})
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pybind11_enable_warnings(${target})
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if(MSVC)
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target_compile_options(${target} PRIVATE /utf-8)
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endif()
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if(EIGEN3_FOUND)
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if (PYBIND11_EIGEN_VIA_TARGET)
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target_link_libraries(${target} PRIVATE Eigen3::Eigen)
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else()
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target_include_directories(${target} PRIVATE ${EIGEN3_INCLUDE_DIR})
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endif()
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target_compile_definitions(${target} PRIVATE -DPYBIND11_TEST_EIGEN)
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endif()
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if(Boost_FOUND)
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target_include_directories(${target} PRIVATE ${Boost_INCLUDE_DIRS})
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target_compile_definitions(${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 ${testdir})
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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} ${testdir})
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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 fatal error
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if(NOT PYBIND11_PYTEST_FOUND)
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execute_process(COMMAND ${PYTHON_EXECUTABLE} -c "import pytest; print(pytest.__version__)"
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RESULT_VARIABLE pytest_not_found OUTPUT_VARIABLE pytest_version ERROR_QUIET)
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if(pytest_not_found)
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message(FATAL_ERROR "Running the tests requires pytest. Please install it manually"
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" (try: ${PYTHON_EXECUTABLE} -m pip install pytest)")
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elseif(pytest_version VERSION_LESS 3.0)
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message(FATAL_ERROR "Running the tests requires pytest >= 3.0. Found: ${pytest_version}"
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"Please update it (try: ${PYTHON_EXECUTABLE} -m pip install -U pytest)")
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endif()
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set(PYBIND11_PYTEST_FOUND TRUE CACHE INTERNAL "")
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endif()
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if(CMAKE_VERSION VERSION_LESS 3.2)
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set(PYBIND11_USES_TERMINAL "")
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else()
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set(PYBIND11_USES_TERMINAL "USES_TERMINAL")
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endif()
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# A single command to compile and run the tests
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add_custom_target(pytest COMMAND ${PYTHON_EXECUTABLE} -m pytest ${PYBIND11_PYTEST_FILES}
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DEPENDS ${test_targets} WORKING_DIRECTORY ${testdir} ${PYBIND11_USES_TERMINAL})
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if(PYBIND11_TEST_OVERRIDE)
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add_custom_command(TARGET pytest POST_BUILD
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COMMAND ${CMAKE_COMMAND} -E echo "Note: not all tests run: -DPYBIND11_TEST_OVERRIDE is in effect")
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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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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
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# tests are being built independently.
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if (NOT PROJECT_NAME STREQUAL "pybind11")
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return()
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endif()
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# Add a post-build comment to show the primary test suite .so size and, if a previous size, compare it:
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add_custom_command(TARGET pybind11_tests POST_BUILD
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COMMAND ${PYTHON_EXECUTABLE} ${PROJECT_SOURCE_DIR}/tools/libsize.py
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$<TARGET_FILE:pybind11_tests> ${CMAKE_CURRENT_BINARY_DIR}/sosize-$<TARGET_FILE_NAME:pybind11_tests>.txt)
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# Test embedding the interpreter. Provides the `cpptest` target.
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add_subdirectory(test_embed)
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# Test CMake build using functions and targets from subdirectory or installed location
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add_subdirectory(test_cmake_build)
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