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cmake_minimum_required(VERSION 3.15...4.0)
project(test_subdirectory_function CXX)
# Allow PYTHON_EXECUTABLE if in FINDPYTHON mode and building pybind11's tests
# (makes transition easier while we support both modes).
if(DEFINED PYTHON_EXECUTABLE AND NOT DEFINED Python_EXECUTABLE)
set(Python_EXECUTABLE "${PYTHON_EXECUTABLE}")
endif()
add_subdirectory("${pybind11_SOURCE_DIR}" pybind11)
pybind11_add_module(test_subdirectory_function ../main.cpp)
set_target_properties(test_subdirectory_function PROPERTIES OUTPUT_NAME test_cmake_build)
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_function
${CMAKE_COMMAND}
-E
env
PYTHONPATH=$<TARGET_FILE_DIR:test_subdirectory_function>
${_Python_EXECUTABLE}
${PROJECT_SOURCE_DIR}/../test.py
${PROJECT_NAME}
DEPENDS test_subdirectory_function)
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