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Support CMake version less than 3.12 #281

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Support CMake version less than 3.12 #281

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28 changes: 19 additions & 9 deletions CMakeLists.txt
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Original file line number Diff line number Diff line change
Expand Up @@ -17,18 +17,28 @@ target_compile_features(matplotlib_cpp INTERFACE
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)
if(${CMAKE_VERSION} VERSION_LESS "3.12.0")
find_package(PythonLibs 3 REQUIRED)
include_directories(
${PYTHON_INCLUDE_DIRS}
)
target_link_libraries(matplotlib_cpp INTERFACE
Python3::NumPy
${PYTHON_LIBRARIES}
)
else()
target_compile_definitions(matplotlib_cpp INTERFACE WITHOUT_NUMPY)
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
)
else()
target_compile_definitions(matplotlib_cpp INTERFACE WITHOUT_NUMPY)
endif()
endif()
install(
TARGETS matplotlib_cpp
Expand Down