# These are external variables, and shouldn't clash with anything else
#  docs_BUILT
#

MONOLITHIC_DOC="${MONOLITHIC_DOC} $(echo src/docs/*.dox)"
build_target monolithic

if [ -z ${docs_BUILT} ]
then
    echo "Building documentation with Doxygen..."

    DOXYFILE=obj/Doxyfile.docs

    if [ ! -e ${DOXYFILE} ]
    then
        do_cmd cp src/docs/Doxyfile.in ${DOXYFILE} || return 1
        echo "INPUT = ${MONOLITHIC_DOC}" >> ${DOXYFILE}
        echo "PROJECT_NUMBER = ${VERSION}" >> ${DOXYFILE}
    fi

    MODIFIED=0
    for file in ${MONOLITHIC_DOC}
    do
        if [ ${file} -nt html/index.html ]
        then
            MODIFIED=1
            break
        fi
    done

    if [ ${MODIFIED} -ne 0 ]
    then
        do_cmd doxygen ${DOXYFILE} || return 1
        print_success "Documentation built"
    else
        print_success "Documentation is up to date"
    fi

    docs_BUILT=1
fi

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