| cmake_minimum_required(VERSION 3.4) |
| |
| # The `cmake_minimum_required(VERSION 3.4...3.18)` syntax does not work with |
| # some versions of VS that have a patched CMake 3.11. This forces us to emulate |
| # the behavior using the following workaround: |
| if(${CMAKE_VERSION} VERSION_LESS 3.18) |
| cmake_policy(VERSION ${CMAKE_MAJOR_VERSION}.${CMAKE_MINOR_VERSION}) |
| else() |
| cmake_policy(VERSION 3.18) |
| endif() |
| |
| project(test_subdirectory_target CXX) |
| |
| add_subdirectory("${pybind11_SOURCE_DIR}" pybind11) |
| |
| add_library(test_subdirectory_target MODULE ../main.cpp) |
| set_target_properties(test_subdirectory_target PROPERTIES OUTPUT_NAME test_cmake_build) |
| |
| target_link_libraries(test_subdirectory_target PRIVATE pybind11::module) |
| |
| # Make sure result is, for example, test_installed_target.so, not libtest_installed_target.dylib |
| pybind11_extension(test_subdirectory_target) |
| |
| if(DEFINED Python_EXECUTABLE) |
| set(_Python_EXECUTABLE "${Python_EXECUTABLE}") |
| elseif(DEFINED PYTHON_EXECUTABLE) |
| set(_Python_EXECUTABLE "${PYTHON_EXECUTABLE}") |
| else() |
| message(FATAL_ERROR "No Python executable defined (should not be possible at this stage)") |
| endif() |
| |
| add_custom_target( |
| check_subdirectory_target |
| ${CMAKE_COMMAND} |
| -E |
| env |
| PYTHONPATH=$<TARGET_FILE_DIR:test_subdirectory_target> |
| ${_Python_EXECUTABLE} |
| ${PROJECT_SOURCE_DIR}/../test.py |
| ${PROJECT_NAME} |
| DEPENDS test_subdirectory_target) |
