find_package(Doxygen REQUIRED)

# Find all the public headers
set(DOXYGEN_PROJECT_NAME "eqpalg")

set(DOXYGEN_INPUT_DIR "../../")
set(DOXYGEN_MAINPAGE "main_page.md")
set(DOXYGEN_OUTPUT_DIR ${CMAKE_CURRENT_BINARY_DIR}/docs/doxygen)
set(DOXYGEN_INDEX_FILE ${DOXYGEN_OUTPUT_DIR}/html/index.html)
set(DOXYFILE_IN ${CMAKE_CURRENT_SOURCE_DIR}/Doxyfile.in)
set(DOXYFILE_OUT ${CMAKE_CURRENT_BINARY_DIR}/Doxyfile)

# set(DOXYGEN_EXCLUDE_DIR "../../ihyper_db/ihdb_inc")

#Replace variables inside @@ with the current values
configure_file(${DOXYFILE_IN} ${DOXYFILE_OUT} @ONLY)

file(MAKE_DIRECTORY ${DOXYGEN_OUTPUT_DIR}) #Doxygen won't create this for us

add_custom_command(OUTPUT ${DOXYGEN_INDEX_FILE}
                   COMMAND ${DOXYGEN_EXECUTABLE} ${DOXYFILE_OUT}
                   MAIN_DEPENDENCY ${DOXYFILE_OUT} ${DOXYFILE_IN}
                   COMMENT "Generating docs")

add_custom_target(Doxygen ALL DEPENDS ${DOXYGEN_INDEX_FILE})