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# add a target to generate API documentation with Doxygen
find_package(Doxygen)
if(DOXYGEN_FOUND)
# configure_file(${CMAKE_CURRENT_SOURCE_DIR}/Doxyfile.in ${CMAKE_CURRENT_BINARY_DIR}/Doxyfile @ONLY)
# starting from cmake 3.9 the usage of DOXYGEN_EXECUTABLE is deprecated
if(TARGET Doxygen::doxygen)
get_property(DOXYGEN_EXECUTABLE TARGET Doxygen::doxygen PROPERTY IMPORTED_LOCATION)
endif()
add_custom_target(doxygen ${DOXYGEN_EXECUTABLE} ${GUDHI_USER_VERSION_DIR}/Doxyfile
WORKING_DIRECTORY ${GUDHI_USER_VERSION_DIR}
COMMENT "Generating API documentation with Doxygen in ${GUDHI_USER_VERSION_DIR}/doc/html/" VERBATIM)
if(TARGET user_version)
# In dev version, doxygen target depends on user_version target. Not existing in user version
add_dependencies(doxygen user_version)
endif()
endif(DOXYGEN_FOUND)
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