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Support CMake versions 3.8-3.12.4 #314

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Support CMake versions 3.8-3.12.4 #314

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76 changes: 42 additions & 34 deletions CMakeLists.txt
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Original file line number Diff line number Diff line change
Expand Up @@ -9,30 +9,38 @@ set(INSTALL_CONFIGDIR ${CMAKE_INSTALL_LIBDIR}/${PACKAGE_NAME}/cmake)
# Library target
add_library(matplotlib_cpp INTERFACE)
target_include_directories(matplotlib_cpp
INTERFACE
$<BUILD_INTERFACE:${PROJECT_SOURCE_DIR}/examples>
$<INSTALL_INTERFACE:include>
)
INTERFACE
$<BUILD_INTERFACE:${PROJECT_SOURCE_DIR}/examples>
$<INSTALL_INTERFACE:include>
)
target_compile_features(matplotlib_cpp INTERFACE
cxx_std_11
)
cxx_std_11
)
# TODO: Use `Development.Embed` component when requiring cmake >= 3.18
find_package(Python3 COMPONENTS Interpreter Development REQUIRED)
target_link_libraries(matplotlib_cpp INTERFACE
Python3::Python
Python3::Module
)
find_package(Python3 COMPONENTS NumPy)
if(Python3_NumPy_FOUND)
target_link_libraries(matplotlib_cpp INTERFACE
Python3::NumPy
)
if(${CMAKE_VERSION} VERSION_LESS "3.12.4")
find_package(PythonLibs 3.0 COMPONENTS Interpreter Development NumPy)
target_link_libraries(matplotlib_cpp INTERFACE ${PYTHON_LIBRARIES})
target_include_directories(matplotlib_cpp INTERFACE ${PYTHON_INCLUDE_DIRS})
else()
target_compile_definitions(matplotlib_cpp INTERFACE WITHOUT_NUMPY)
find_package(Python3 COMPONENTS Interpreter Development REQUIRED)
find_package(Python3 COMPONENTS NumPy)
if(Python3_NumPy_FOUND)
target_link_libraries(matplotlib_cpp INTERFACE
Python3::NumPy
)
else()
target_compile_definitions(matplotlib_cpp INTERFACE WITHOUT_NUMPY)
endif()

target_link_libraries(matplotlib_cpp INTERFACE
Python3::Python
Python3::Module
)
endif()

install(
TARGETS matplotlib_cpp
EXPORT install_targets
TARGETS matplotlib_cpp
EXPORT install_targets
)


Expand Down Expand Up @@ -105,29 +113,29 @@ endif()

# Install headers
install(FILES
"${PROJECT_SOURCE_DIR}/matplotlibcpp.h"
DESTINATION ${CMAKE_INSTALL_INCLUDEDIR})
"${PROJECT_SOURCE_DIR}/matplotlibcpp.h"
DESTINATION ${CMAKE_INSTALL_INCLUDEDIR})


# Install targets file
install(EXPORT install_targets
FILE
${PACKAGE_NAME}Targets.cmake
NAMESPACE
${PACKAGE_NAME}::
DESTINATION
${INSTALL_CONFIGDIR}
)
FILE
${PACKAGE_NAME}Targets.cmake
NAMESPACE
${PACKAGE_NAME}::
DESTINATION
${INSTALL_CONFIGDIR}
)


# Install matplotlib_cppConfig.cmake
include(CMakePackageConfigHelpers)
configure_package_config_file(
${CMAKE_CURRENT_SOURCE_DIR}/cmake/${PACKAGE_NAME}Config.cmake.in
${CMAKE_CURRENT_BINARY_DIR}/${PACKAGE_NAME}Config.cmake
INSTALL_DESTINATION ${INSTALL_CONFIGDIR}
${CMAKE_CURRENT_SOURCE_DIR}/cmake/${PACKAGE_NAME}Config.cmake.in
${CMAKE_CURRENT_BINARY_DIR}/${PACKAGE_NAME}Config.cmake
INSTALL_DESTINATION ${INSTALL_CONFIGDIR}
)
install(FILES
${CMAKE_CURRENT_BINARY_DIR}/${PACKAGE_NAME}Config.cmake
DESTINATION ${INSTALL_CONFIGDIR}
)
${CMAKE_CURRENT_BINARY_DIR}/${PACKAGE_NAME}Config.cmake
DESTINATION ${INSTALL_CONFIGDIR}
)