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# add a target to generate API documentation with Doxygen
find_package(Doxygen)
if(DOXYGEN_FOUND)
SET(OUTPUT_DIR "${CMAKE_CURRENT_BINARY_DIR}/documentation/doxygen")
FILE(MAKE_DIRECTORY "${OUTPUT_DIR}")
FILE(TO_NATIVE_PATH ${OUTPUT_DIR} OUTPUT_DIR)
SET(OUTPUT_DIR \"${OUTPUT_DIR}\")
SET(INPUTS "${CMAKE_CURRENT_SOURCE_DIR}/code" "${CMAKE_CURRENT_SOURCE_DIR}/freespace2" "${CMAKE_CURRENT_SOURCE_DIR}/fred2" "${CMAKE_CURRENT_SOURCE_DIR}/wxfred2" "${CMAKE_CURRENT_SOURCE_DIR}/qtfred")
SET(INPUT_DIRS)
FOREACH(DIR IN LISTS INPUTS)
FILE(TO_NATIVE_PATH ${DIR} native_dir)
LIST(APPEND INPUT_DIRS \"${native_dir}\")
ENDFOREACH(DIR)
STRING(REPLACE ";" " " INPUT_DIRS "${INPUT_DIRS}")
CONFIGURE_FILE(${CMAKE_CURRENT_SOURCE_DIR}/fs2open.Doxyfile.in
${CMAKE_CURRENT_BINARY_DIR}/fs2open.Doxyfile
@ONLY)
add_custom_target(doxygen
${DOXYGEN_EXECUTABLE} ${CMAKE_CURRENT_BINARY_DIR}/fs2open.Doxyfile
WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}
COMMENT "Generating API documentation with Doxygen" VERBATIM
)
set_target_properties(doxygen
PROPERTIES
FOLDER "Documentation"
EXCLUDE_FROM_ALL ON
EXCLUDE_FROM_DEFAULT_BUILD ON
)
endif(DOXYGEN_FOUND)
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