diff --git a/dev-cpp/gtkmm/Manifest b/dev-cpp/gtkmm/Manifest
new file mode 100644
index 000000000..65a934b0f
--- /dev/null
+++ b/dev-cpp/gtkmm/Manifest
@@ -0,0 +1,4 @@
+AUX gtkmm-2.24.2-gcc46.patch 318 RMD160 c0c115c8d2ea3a8a970b3cce928d88fb53070e2b SHA1 afdfe97d68b74c5e187204e719cfdbaf3f674837 SHA256 824110b9ce1f55309cdefa37ca5a6f59f19792db66358d3461efc35801f4a399
+DIST gtkmm-2.24.2.tar.xz 10776640 RMD160 ddd6246a2c21edfa30c8f3a5e3a6ffd8d4ec541f SHA1 d26fb3d9f483ae0c608bac49e6236274f83aed59 SHA256 c90c7a29c20dd6d795925bd66ad1ff40be07cea0e4c03f4d6105a8c07448953d
+EBUILD gtkmm-2.24.2.ebuild 1388 RMD160 212c6e55888480c9e7048a7ea42276f26b5bd133 SHA1 8eb010b9e66950785b270d9c667be1032c06e5cb SHA256 288f1603fb3e53705144400fe4973149875842cc0182db1a44aabdb4b5b06c1c
+MISC metadata.xml 161 RMD160 1988530f97a742d78d3f3e99d15625f8a674260a SHA1 b034f3d668b50c57826ead5cfd17fcd2b68d19d6 SHA256 00ba82c241ad7007fe861877db3ae5aeaa967e05f0a6478e6ba9eb60ba31a3b6
diff --git a/dev-cpp/gtkmm/files/gtkmm-2.24.2-gcc46.patch b/dev-cpp/gtkmm/files/gtkmm-2.24.2-gcc46.patch
new file mode 100644
index 000000000..6af19991c
--- /dev/null
+++ b/dev-cpp/gtkmm/files/gtkmm-2.24.2-gcc46.patch
@@ -0,0 +1,11 @@
+--- gtkmm-2.24.2.orig/gtk/gtkmm/radiobuttongroup.cc
++++ gtkmm-2.24.2/gtk/gtkmm/radiobuttongroup.cc
+@@ -16,6 +16,7 @@
+  * License along with this library; if not, write to the Free
+  * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+  */
++#include <cstddef>
+ 
+ #include <gtkmm/radiobuttongroup.h>
+ 
+
diff --git a/dev-cpp/gtkmm/gtkmm-2.24.2.ebuild b/dev-cpp/gtkmm/gtkmm-2.24.2.ebuild
new file mode 100644
index 000000000..b999b72fc
--- /dev/null
+++ b/dev-cpp/gtkmm/gtkmm-2.24.2.ebuild
@@ -0,0 +1,56 @@
+# Copyright 1999-2011 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+# $Header: /var/cvsroot/gentoo-x86/dev-cpp/gtkmm/gtkmm-2.24.2.ebuild,v 1.8 2011/10/30 14:51:44 armin76 Exp $
+
+EAPI="4"
+GCONF_DEBUG="no"
+GNOME2_LA_PUNT="yes"
+
+inherit eutils gnome2
+
+DESCRIPTION="C++ interface for GTK+2"
+HOMEPAGE="http://www.gtkmm.org"
+
+LICENSE="LGPL-2.1"
+SLOT="2.4"
+KEYWORDS="alpha amd64 arm hppa ia64 ppc ppc64 sh sparc x86 ~x86-fbsd ~x86-freebsd ~amd64-linux ~x86-linux ~sparc-solaris ~x86-solaris"
+IUSE="doc examples test"
+
+RDEPEND=">=dev-cpp/glibmm-2.24:2
+	>=x11-libs/gtk+-2.24:2
+	>=dev-cpp/atkmm-2.22.2
+	>=dev-cpp/cairomm-1.2.2
+	>=dev-cpp/pangomm-2.27.1:1.4
+	dev-libs/libsigc++:2"
+DEPEND="${RDEPEND}
+	dev-util/pkgconfig
+	doc? (
+		media-gfx/graphviz
+		dev-libs/libxslt
+		app-doc/doxygen )"
+
+pkg_setup() {
+	DOCS="AUTHORS ChangeLog PORTING NEWS README"
+	G2CONF="${G2CONF}
+		--enable-api-atkmm
+		--disable-maintainer-mode
+		$(use_enable doc documentation)"
+}
+
+src_prepare() {
+	gnome2_src_prepare
+
+	epatch "${FILESDIR}/${P}-gcc46.patch"
+
+	if ! use test; then
+		# don't waste time building tests
+		sed 's/^\(SUBDIRS =.*\)tests\(.*\)$/\1\2/' -i Makefile.am Makefile.in \
+			|| die "sed 1 failed"
+	fi
+
+	if ! use examples; then
+		# don't waste time building tests
+		sed 's/^\(SUBDIRS =.*\)demos\(.*\)$/\1\2/' -i Makefile.am Makefile.in \
+			|| die "sed 2 failed"
+	fi
+}
diff --git a/dev-cpp/gtkmm/metadata.xml b/dev-cpp/gtkmm/metadata.xml
new file mode 100644
index 000000000..57c9d9c1a
--- /dev/null
+++ b/dev-cpp/gtkmm/metadata.xml
@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<pkgmetadata>
+<herd>gnome-mm</herd>
+</pkgmetadata>