diff --git a/x11-libs/fltk/Manifest b/x11-libs/fltk/Manifest
index e624e9ce136e4..3864bc1468322 100644
--- a/x11-libs/fltk/Manifest
+++ b/x11-libs/fltk/Manifest
@@ -1 +1,2 @@
 DIST fltk-1.3.5-source.tar.gz 5261324 BLAKE2B df05989d6581b570c689e29e9f31e5fc85fa91dee1296d70b5f5c3b4aab527749850ea78bec3ef5947151b21598c3bb04e52f78b5e6db179e7fd922627862b5e SHA512 db7ea7c5f3489195a48216037b9371a50f1119ae7692d66f71b6711e5ccf78814670581bae015e408dee15c4bba921728309372c1cffc90113cdc092e8540821
+DIST fltk-1.3.8-source.tar.gz 5335306 BLAKE2B 8c2d2fca4243c0e7c5a8aa46083940f99c8b3e7873d39d6e590a4b66587876393f209e5e7e5eaf4a4cc13f0f97cb03671d97129853b0146eeab409aaf687935e SHA512 5c1cbfc156c49888e25b90dcb9b1ab86a03447e08e00864c3c7ae8a0e32cfbd9154ee630054235c9edfd29fd1d0371ae77eff7b78094fb660dbbdec5cecfc8fb
diff --git a/x11-libs/fltk/fltk-1.3.8.ebuild b/x11-libs/fltk/fltk-1.3.8.ebuild
new file mode 100644
index 0000000000000..ef4d15d613304
--- /dev/null
+++ b/x11-libs/fltk/fltk-1.3.8.ebuild
@@ -0,0 +1,200 @@
+# Copyright 1999-2023 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+inherit autotools flag-o-matic xdg-utils multilib-minimal
+
+DESCRIPTION="C++ user interface toolkit for X and OpenGL"
+HOMEPAGE="https://www.fltk.org/"
+SRC_URI="https://www.fltk.org/pub/${PN}/${PV}/${P}-source.tar.gz"
+
+SLOT="1"
+LICENSE="FLTK LGPL-2"
+KEYWORDS="~alpha ~amd64 ~arm ~arm64 ~hppa ~ia64 ~loong ~mips ~ppc ~ppc64 ~riscv ~sparc ~x86 ~amd64-linux ~x86-linux"
+IUSE="cairo debug doc examples games +opengl static-libs +threads +xft +xinerama"
+
+RDEPEND="
+	media-libs/libjpeg-turbo:0=[${MULTILIB_USEDEP}]
+	>=media-libs/libpng-1.2:0=[${MULTILIB_USEDEP}]
+	sys-libs/zlib[${MULTILIB_USEDEP}]
+	x11-libs/libICE[${MULTILIB_USEDEP}]
+	x11-libs/libSM[${MULTILIB_USEDEP}]
+	x11-libs/libXcursor[${MULTILIB_USEDEP}]
+	x11-libs/libXext[${MULTILIB_USEDEP}]
+	x11-libs/libXfixes[${MULTILIB_USEDEP}]
+	x11-libs/libXt[${MULTILIB_USEDEP}]
+	cairo? ( x11-libs/cairo[${MULTILIB_USEDEP},X] )
+	opengl? (
+		virtual/glu[${MULTILIB_USEDEP}]
+		virtual/opengl[${MULTILIB_USEDEP}]
+	)
+	xft? ( x11-libs/libXft[${MULTILIB_USEDEP}] )
+	xinerama? ( x11-libs/libXinerama[${MULTILIB_USEDEP}] )
+"
+DEPEND="
+	${RDEPEND}
+	virtual/pkgconfig
+	x11-base/xorg-proto
+	doc? ( app-doc/doxygen )
+"
+DOCS=(
+	ANNOUNCEMENT
+	CHANGES
+	CHANGES_1.0
+	CHANGES_1.1
+	CREDITS
+	README
+	README.abi-version.txt
+	README.Cairo.txt
+	README.CMake.txt
+	README.MSWindows.txt
+	README.OSX.txt
+	README.Unix.txt
+)
+FLTK_GAMES="
+	blocks
+	checkers
+	sudoku
+"
+PATCHES=(
+	"${FILESDIR}"/${PN}-1.3.0-share.patch
+	"${FILESDIR}"/${PN}-1.3.4-conf-tests.patch
+	"${FILESDIR}"/${PN}-1.3.3-makefile-dirs.patch
+	"${FILESDIR}"/${PN}-1.3.3-visibility.patch
+)
+
+pkg_setup() {
+	unset FLTK_LIBDIRS
+}
+
+src_prepare() {
+	default
+
+	rm -rf zlib jpeg png || die
+
+	sed -i \
+		-e 's:@HLINKS@::g' FL/Makefile.in || die
+	sed -i \
+		-e '/x-fluid/d' fluid/Makefile || die
+	sed -i \
+		-e '/C\(XX\)\?FLAGS=/s:@C\(XX\)\?FLAGS@::' \
+		-e '/^LDFLAGS=/d' \
+		"${S}/fltk-config.in" || die
+	# docs in proper docdir
+	sed -i \
+		-e "/^docdir/s:fltk:${PF}/html:" \
+		-e "/SILENT:/d" \
+		makeinclude.in || die
+
+	# also in Makefile:config.guess config.sub:
+	cp misc/config.{guess,sub} . || die
+
+	cp fluid/{,x-}fluid.desktop || die
+
+	eaclocal
+	eautoconf
+	multilib_copy_sources
+}
+
+multilib_src_configure() {
+	unset FLTK_LIBDIRS
+
+	local FLTK_INCDIR=${EPREFIX}/usr/include/fltk
+	local FLTK_LIBDIR=${EPREFIX}/usr/$(get_libdir)/fltk
+	FLTK_LIBDIRS+=${FLTK_LIBDIRS+:}${FLTK_LIBDIR}
+
+	multilib_is_native_abi && use prefix &&
+		append-ldflags -Wl,-rpath -Wl,"${FLTK_LIBDIR}"
+
+	econf \
+		$(use_enable cairo) \
+		$(use_enable debug) \
+		$(use_enable opengl gl) \
+		$(use_enable threads) \
+		$(use_enable xft) \
+		$(use_enable xinerama) \
+		--disable-localjpeg \
+		--disable-localpng \
+		--disable-localzlib \
+		--docdir="${EPREFIX}/usr/share/doc/${PF}/html" \
+		--enable-largefile \
+		--enable-shared \
+		--enable-xcursor \
+		--enable-xdbe \
+		--enable-xfixes \
+		--includedir=${FLTK_INCDIR} \
+		--libdir=${FLTK_LIBDIR} \
+		DSOFLAGS="${LDFLAGS}" \
+		LDFLAGS="${LDFLAGS}"
+}
+
+multilib_src_compile() {
+	# Prevent reconfigure on non-native ABIs.
+	touch -r makeinclude config.{guess,sub} || die
+
+	default
+
+	if multilib_is_native_abi; then
+		emake -C fluid
+		use doc && emake -C documentation html
+		use games && emake -C test ${FLTK_GAMES}
+	fi
+}
+
+multilib_src_test() {
+	emake -C fluid
+	emake -C test
+}
+
+multilib_src_install() {
+	default
+
+	if multilib_is_native_abi; then
+		emake -C fluid DESTDIR="${D}" install-linux install
+
+		use doc && \
+			emake -C documentation DESTDIR="${D}" install
+
+		use games && \
+			emake -C test DESTDIR="${D}" install-linux
+	fi
+}
+
+multilib_src_install_all() {
+	for app in fluid $(usex games "${FLTK_GAMES}" ''); do
+		dosym \
+			../icons/hicolor/32x32/apps/${app}.png \
+			/usr/share/pixmaps/${app}.png
+	done
+
+	if use examples; then
+		docinto examples
+		dodoc -r test/*.{h,cxx,fl} test/demo.menu
+	fi
+
+	insinto /usr/share/cmake/Modules
+	doins CMake/FLTK*.cmake
+
+	echo "LDPATH=${FLTK_LIBDIRS}" > 99fltk || die
+	echo "FLTK_DOCDIR=${EPREFIX}/usr/share/doc/${PF}/html" >> 99fltk || die
+	doenvd 99fltk
+
+	# FIXME: This is bad, but building only shared libraries is hardly supported
+	# FIXME: The executables in test/ are linking statically against libfltk
+	if ! use static-libs; then
+		rm "${ED}"/usr/lib*/fltk/*.a || die
+	fi
+
+	find "${D}" -name '*.la' -delete || die
+}
+
+pkg_postinst() {
+	xdg_desktop_database_update
+	xdg_icon_cache_update
+}
+
+pkg_postrm() {
+	xdg_desktop_database_update
+	xdg_icon_cache_update
+}