dev-cpp/gtkmm: add 4.18.0

Signed-off-by: Pacho Ramos <pacho@gentoo.org>

dev-cpp/gtkmm/Manifest

@@ -3,3 +3,4 @@ DIST gtkmm-3.24.10.tar.xz 13644320 BLAKE2B fa1d02c9def2f28bd1eb2b61aee9cba477adf
 DIST gtkmm-3.24.9.tar.xz 15122612 BLAKE2B bbc80e5140a5c003817a1d6a0e63ebdab971fe9c92cf07d2edcbb8a3ee5e2371ab7b932a5c9af56da096d3e37d6e76101ad25d9cea5074d29d31f97e69960c3d SHA512 6e6e53d7d434f51758ffddce00dbae61074c54a5d3a5bb852fea558147af4ca6c40f9fcf4e7f9fafcbbc22ea33cdd99ea06208b72542c7e75f4dca19a80c6724
 DIST gtkmm-4.12.0.tar.xz 16359928 BLAKE2B 84b5f5ee5ef85c9f6d32d3047ab794f4ded3fb33665e18b4b6cacfc4836f5549e9cd32103963de367d0957fa58eb55b02ed06a3d3c6b6777c296d1c1fe3cabbc SHA512 0bde82ac1331c86810bb513362c81a30b0abaf906af4cf4b0607b85362125d8a15307fb5c51c6497fa9292acce437af027c4e336231dd18d72251f43e3d23688
 DIST gtkmm-4.14.0.tar.xz 16713784 BLAKE2B 27366963f25b704d71a2afabc4e04ad3ab0986f9094a62c6897cabb7ad8c318db94da79197e375da231bd972c1173c3af7a27ba28173f5f692c2e8682c31cd0f SHA512 94cf1f764e539b8b1fdff101f6e134c5e2bc9379f1dae3b6daef66ab94e90f5e70a41d8eb94842fd54c0f8706c565e975fa2adf6e4c6913cecaeb3c8cf00a1cd
+DIST gtkmm-4.18.0.tar.xz 17063416 BLAKE2B bb2a369a80f5e817481e8e3563f97001aa98ec0170b5cfb82ec66d47574c8475be7da14079bf8c75818a2557eece1ada73e050f2300fd990c7d11186379b9514 SHA512 a5469ae03eda2fab466c3a1ac9790debec0715beab8bdfd02283ebea83c7c742ea04fc3bf800f18f171250b7b2441b0d8c4681f350284de9a791760ed6cd5d4c

dev-cpp/gtkmm/gtkmm-4.18.0.ebuild

@@ -0,0 +1,52 @@
+# Copyright 1999-2025 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+PYTHON_COMPAT=( python3_{11..13} )
+inherit gnome.org meson python-any-r1 virtualx
+
+DESCRIPTION="C++ interface for GTK+"
+HOMEPAGE="https://www.gtkmm.org"
+
+LICENSE="LGPL-2.1+"
+SLOT="4.0"
+KEYWORDS="~alpha ~amd64 ~arm ~arm64 ~hppa ~loong ~ppc ~ppc64 ~riscv ~sparc ~x86 ~amd64-linux ~x86-linux"
+IUSE="gtk-doc test"
+
+RESTRICT="!test? ( test )"
+
+RDEPEND="
+	>=dev-cpp/glibmm-2.75.0:2.68[gtk-doc?]
+	>=gui-libs/gtk-4.17.5:4
+	>=dev-cpp/cairomm-1.15.4:1.16[gtk-doc?]
+	>=dev-cpp/pangomm-2.50.0:2.48[gtk-doc?]
+	>=x11-libs/gdk-pixbuf-2.35.5:2
+	>=media-libs/libepoxy-1.2
+"
+DEPEND="
+	${RDEPEND}
+	gtk-doc? ( dev-libs/libsigc++:3 )
+"
+BDEPEND="
+	virtual/pkgconfig
+	gtk-doc? (
+		app-text/doxygen[dot]
+		dev-lang/perl
+		dev-libs/libxslt
+	)
+	${PYTHON_DEPS}
+"
+
+src_configure() {
+	local emesonargs=(
+		-Dbuild-demos=false
+		$(meson_use gtk-doc build-documentation)
+		$(meson_use test build-tests)
+	)
+	meson_src_configure
+}
+
+src_test() {
+	virtx meson_src_test
+}