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							238 lines
						
					
					
						
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				| # CMakeLists.txt -- Build system for the pybind11 test suite | |
| # | |
| # Copyright (c) 2015 Wenzel Jakob <wenzel@inf.ethz.ch> | |
| # | |
| # All rights reserved. Use of this source code is governed by a | |
| # BSD-style license that can be found in the LICENSE file. | |
|  | |
| cmake_minimum_required(VERSION 2.8.12) | |
|  | |
| option(PYBIND11_WERROR  "Report all warnings as errors"  OFF) | |
|  | |
| if (CMAKE_CURRENT_SOURCE_DIR STREQUAL CMAKE_SOURCE_DIR) | |
|     # We're being loaded directly, i.e. not via add_subdirectory, so make this | |
|     # work as its own project and load the pybind11Config to get the tools we need | |
|     project(pybind11_tests) | |
|  | |
|     find_package(pybind11 REQUIRED CONFIG) | |
| endif() | |
|  | |
| if(NOT CMAKE_BUILD_TYPE AND NOT CMAKE_CONFIGURATION_TYPES) | |
|   message(STATUS "Setting tests build type to MinSizeRel as none was specified") | |
|   set(CMAKE_BUILD_TYPE MinSizeRel CACHE STRING "Choose the type of build." FORCE) | |
|   set_property(CACHE CMAKE_BUILD_TYPE PROPERTY STRINGS "Debug" "Release" | |
|     "MinSizeRel" "RelWithDebInfo") | |
| endif() | |
|  | |
| # Full set of test files (you can override these; see below) | |
| set(PYBIND11_TEST_FILES | |
|   test_alias_initialization.cpp | |
|   test_buffers.cpp | |
|   test_callbacks.cpp | |
|   test_chrono.cpp | |
|   test_class_args.cpp | |
|   test_constants_and_functions.cpp | |
|   test_copy_move_policies.cpp | |
|   test_docstring_options.cpp | |
|   test_eigen.cpp | |
|   test_enum.cpp | |
|   test_eval.cpp | |
|   test_exceptions.cpp | |
|   test_inheritance.cpp | |
|   test_issues.cpp | |
|   test_keep_alive.cpp | |
|   test_kwargs_and_defaults.cpp | |
|   test_methods_and_attributes.cpp | |
|   test_modules.cpp | |
|   test_multiple_inheritance.cpp | |
|   test_numpy_array.cpp | |
|   test_numpy_dtypes.cpp | |
|   test_numpy_vectorize.cpp | |
|   test_opaque_types.cpp | |
|   test_operator_overloading.cpp | |
|   test_pickling.cpp | |
|   test_python_types.cpp | |
|   test_sequences_and_iterators.cpp | |
|   test_smart_ptr.cpp | |
|   test_stl_binders.cpp | |
|   test_virtual_functions.cpp | |
| ) | |
|  | |
| # Invoking cmake with something like: | |
| #     cmake -DPYBIND11_TEST_OVERRIDE="test_issues.cpp;test_picking.cpp" .. | |
| # lets you override the tests that get compiled and run.  You can restore to all tests with: | |
| #     cmake -DPYBIND11_TEST_OVERRIDE= .. | |
| if (PYBIND11_TEST_OVERRIDE) | |
|   set(PYBIND11_TEST_FILES ${PYBIND11_TEST_OVERRIDE}) | |
| endif() | |
|  | |
| string(REPLACE ".cpp" ".py" PYBIND11_PYTEST_FILES "${PYBIND11_TEST_FILES}") | |
|  | |
| # Check if Eigen is available; if not, remove from PYBIND11_TEST_FILES (but | |
| # keep it in PYBIND11_PYTEST_FILES, so that we get the "eigen is not installed" | |
| # skip message). | |
| list(FIND PYBIND11_TEST_FILES test_eigen.cpp PYBIND11_TEST_FILES_EIGEN_I) | |
| if(PYBIND11_TEST_FILES_EIGEN_I GREATER -1) | |
|   # Try loading via newer Eigen's Eigen3Config first (bypassing tools/FindEigen3.cmake). | |
|   # Eigen 3.3.1+ exports a cmake 3.0+ target for handling dependency requirements, but also | |
|   # produces a fatal error if loaded from a pre-3.0 cmake. | |
|   if (NOT CMAKE_VERSION VERSION_LESS 3.0) | |
|     find_package(Eigen3 QUIET CONFIG) | |
|     if (EIGEN3_FOUND) | |
|       if (EIGEN3_VERSION_STRING AND NOT EIGEN3_VERSION_STRING VERSION_LESS 3.3.1) | |
|         set(PYBIND11_EIGEN_VIA_TARGET 1) | |
|       endif() | |
|     endif() | |
|   endif() | |
|   if (NOT EIGEN3_FOUND) | |
|     # Couldn't load via target, so fall back to allowing module mode finding, which will pick up | |
|     # tools/FindEigen3.cmake | |
|     find_package(Eigen3 QUIET) | |
|   endif() | |
|  | |
|   if(EIGEN3_FOUND) | |
|     # Eigen 3.3.1+ cmake sets EIGEN3_VERSION_STRING (and hard codes the version when installed | |
|     # rather than looking it up in the cmake script); older versions, and the | |
|     # tools/FindEigen3.cmake, set EIGEN3_VERSION instead. | |
|     if(NOT EIGEN3_VERSION AND EIGEN3_VERSION_STRING) | |
|       set(EIGEN3_VERSION ${EIGEN3_VERSION_STRING}) | |
|     endif() | |
|     message(STATUS "Building tests with Eigen v${EIGEN3_VERSION}") | |
|   else() | |
|     list(REMOVE_AT PYBIND11_TEST_FILES ${PYBIND11_TEST_FILES_EIGEN_I}) | |
|     message(STATUS "Building tests WITHOUT Eigen") | |
|   endif() | |
| endif() | |
|  | |
| # Compile with compiler warnings turned on | |
| function(pybind11_enable_warnings target_name) | |
|   if(MSVC) | |
|     target_compile_options(${target_name} PRIVATE /W4) | |
|   else() | |
|       target_compile_options(${target_name} PRIVATE -Wall -Wextra -Wconversion -Wcast-qual) | |
|   endif() | |
|  | |
|   if(PYBIND11_WERROR) | |
|     if(MSVC) | |
|       target_compile_options(${target_name} PRIVATE /WX) | |
|     else() | |
|       target_compile_options(${target_name} PRIVATE -Werror) | |
|     endif() | |
|   endif() | |
| endfunction() | |
|  | |
|  | |
| # Create the binding library | |
| pybind11_add_module(pybind11_tests THIN_LTO pybind11_tests.cpp | |
|   ${PYBIND11_TEST_FILES} ${PYBIND11_HEADERS}) | |
|  | |
| pybind11_enable_warnings(pybind11_tests) | |
|  | |
| if(EIGEN3_FOUND) | |
|   if (PYBIND11_EIGEN_VIA_TARGET) | |
|     target_link_libraries(pybind11_tests PRIVATE Eigen3::Eigen) | |
|   else() | |
|     target_include_directories(pybind11_tests PRIVATE ${EIGEN3_INCLUDE_DIR}) | |
|   endif() | |
|   target_compile_definitions(pybind11_tests PRIVATE -DPYBIND11_TEST_EIGEN) | |
| endif() | |
|  | |
| set(testdir ${CMAKE_CURRENT_SOURCE_DIR}) | |
|  | |
| # Always write the output file directly into the 'tests' directory (even on MSVC) | |
| if(NOT CMAKE_LIBRARY_OUTPUT_DIRECTORY) | |
|   set_target_properties(pybind11_tests PROPERTIES LIBRARY_OUTPUT_DIRECTORY ${testdir}) | |
|   foreach(config ${CMAKE_CONFIGURATION_TYPES}) | |
|     string(TOUPPER ${config} config) | |
|     set_target_properties(pybind11_tests PROPERTIES LIBRARY_OUTPUT_DIRECTORY_${config} ${testdir}) | |
|   endforeach() | |
| endif() | |
|  | |
| # Make sure pytest is found or produce a fatal error | |
| if(NOT PYBIND11_PYTEST_FOUND) | |
|   execute_process(COMMAND ${PYTHON_EXECUTABLE} -c "import pytest; print(pytest.__version__)" | |
|                   RESULT_VARIABLE pytest_not_found OUTPUT_VARIABLE pytest_version ERROR_QUIET) | |
|   if(pytest_not_found) | |
|     message(FATAL_ERROR "Running the tests requires pytest. Please install it manually" | |
|                         " (try: ${PYTHON_EXECUTABLE} -m pip install pytest)") | |
|   elseif(pytest_version VERSION_LESS 3.0) | |
|     message(FATAL_ERROR "Running the tests requires pytest >= 3.0. Found: ${pytest_version}" | |
|                         "Please update it (try: ${PYTHON_EXECUTABLE} -m pip install -U pytest)") | |
|   endif() | |
|   set(PYBIND11_PYTEST_FOUND TRUE CACHE INTERNAL "") | |
| endif() | |
|  | |
| # A single command to compile and run the tests | |
| add_custom_target(pytest COMMAND ${PYTHON_EXECUTABLE} -m pytest ${PYBIND11_PYTEST_FILES} | |
|                   DEPENDS pybind11_tests WORKING_DIRECTORY ${testdir}) | |
|  | |
| if(PYBIND11_TEST_OVERRIDE) | |
|   add_custom_command(TARGET pytest POST_BUILD | |
|     COMMAND ${CMAKE_COMMAND} -E echo "Note: not all tests run: -DPYBIND11_TEST_OVERRIDE is in effect") | |
| endif() | |
|  | |
| # Add a check target to run all the tests, starting with pytest (we add dependencies to this below) | |
| add_custom_target(check DEPENDS pytest) | |
|  | |
| # The remaining tests only apply when being built as part of the pybind11 project, but not if the | |
| # tests are being built independently. | |
| if (NOT PROJECT_NAME STREQUAL "pybind11") | |
|   return() | |
| endif() | |
|  | |
| # Add a post-build comment to show the .so size and, if a previous size, compare it: | |
| add_custom_command(TARGET pybind11_tests POST_BUILD | |
|   COMMAND ${PYTHON_EXECUTABLE} ${PROJECT_SOURCE_DIR}/tools/libsize.py | |
|   $<TARGET_FILE:pybind11_tests> ${CMAKE_CURRENT_BINARY_DIR}/sosize-$<TARGET_FILE_NAME:pybind11_tests>.txt) | |
|  | |
| # Test CMake build using functions and targets from subdirectory or installed location | |
| add_custom_target(test_cmake_build) | |
| if(NOT CMAKE_VERSION VERSION_LESS 3.1) | |
|   # 3.0 needed for interface library for subdirectory_target/installed_target | |
|   # 3.1 needed for cmake -E env for testing | |
|  | |
|   include(CMakeParseArguments) | |
|   function(pybind11_add_build_test name) | |
|     cmake_parse_arguments(ARG "INSTALL" "" "" ${ARGN}) | |
|  | |
|     set(build_options "-DCMAKE_PREFIX_PATH=${PROJECT_BINARY_DIR}/mock_install" | |
|                       "-DCMAKE_CXX_COMPILER=${CMAKE_CXX_COMPILER}" | |
|                       "-DPYTHON_EXECUTABLE=${PYTHON_EXECUTABLE}" | |
|                       "-DPYBIND11_CPP_STANDARD=${PYBIND11_CPP_STANDARD}") | |
|     if(NOT ARG_INSTALL) | |
|       list(APPEND build_options "-DPYBIND11_PROJECT_DIR=${PROJECT_SOURCE_DIR}") | |
|     endif() | |
|  | |
|     add_custom_target(test_${name} ${CMAKE_CTEST_COMMAND} | |
|       --quiet --output-log test_cmake_build/${name}.log | |
|       --build-and-test "${CMAKE_CURRENT_SOURCE_DIR}/test_cmake_build/${name}" | |
|                        "${CMAKE_CURRENT_BINARY_DIR}/test_cmake_build/${name}" | |
|       --build-config Release | |
|       --build-noclean | |
|       --build-generator ${CMAKE_GENERATOR} | |
|       $<$<BOOL:${CMAKE_GENERATOR_PLATFORM}>:--build-generator-platform> ${CMAKE_GENERATOR_PLATFORM} | |
|       --build-makeprogram ${CMAKE_MAKE_PROGRAM} | |
|       --build-target check | |
|       --build-options ${build_options} | |
|     ) | |
|     if(ARG_INSTALL) | |
|       add_dependencies(test_${name} mock_install) | |
|     endif() | |
|     add_dependencies(test_cmake_build test_${name}) | |
|   endfunction() | |
|  | |
|   pybind11_add_build_test(subdirectory_function) | |
|   pybind11_add_build_test(subdirectory_target) | |
|  | |
|   if(PYBIND11_INSTALL) | |
|     add_custom_target(mock_install ${CMAKE_COMMAND} | |
|       "-DCMAKE_INSTALL_PREFIX=${PROJECT_BINARY_DIR}/mock_install" | |
|       -P "${PROJECT_BINARY_DIR}/cmake_install.cmake" | |
|     ) | |
|  | |
|     pybind11_add_build_test(installed_function INSTALL) | |
|     pybind11_add_build_test(installed_target INSTALL) | |
|   endif() | |
| endif() | |
|  | |
| add_dependencies(check test_cmake_build)
 |