dev-cpp/libmcpp: Add missing patches

* r3 include two new patches already in debian distributions, and mcpp forums.
  - libmcpp-2.7.2-zeroc: patch is required for dev-libs/Ice to work propertly
  - libmcpp-2.7.2-gniibe: patch include two simple security fixes

Closes: https://github.com/gentoo/gentoo/pull/7820

dev-cpp/libmcpp/libmcpp-2.7.2-r3.ebuild

@@ -0,0 +1,44 @@
+# Copyright 1999-2018 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=6
+
+inherit autotools
+
+MY_P=${P/lib/}
+
+DESCRIPTION="A portable C++ preprocessor"
+HOMEPAGE="http://mcpp.sourceforge.net"
+SRC_URI="mirror://sourceforge/mcpp/${MY_P}.tar.gz"
+
+LICENSE="BSD"
+SLOT="0"
+KEYWORDS="~amd64 ~arm ~ia64 ~x86 ~x86-linux ~x64-macos"
+IUSE="static-libs"
+
+S=${WORKDIR}/${MY_P}
+
+PATCHES=(
+	"${FILESDIR}"/${PN}-2.7.2-fix-build-system.patch
+	"${FILESDIR}"/${PN}-2.7.2-zeroc.patch
+	"${FILESDIR}"/${PN}-2.7.2-gniibe.patch
+)
+
+src_prepare() {
+	default
+	eautoreconf
+}
+
+src_configure() {
+	econf \
+		--enable-mcpplib \
+		$(use_enable static-libs static)
+}
+
+src_install() {
+	default
+
+	if ! use static-libs; then
+		find "${D}" -name '*.la' -delete || die
+	fi
+}