1 files changed, 96 insertions, 0 deletions
diff --git a/eclass/emul-linux-x86.eclass b/eclass/emul-linux-x86.eclass
new file mode 100644
index 000000000000..80f6faf0129c
--- /dev/null
+++ b/eclass/emul-linux-x86.eclass
@@ -0,0 +1,96 @@
+# Copyright 1999-2014 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+# $Id$
+
+#
+# Original Author: Mike Doty <kingtaco@gentoo.org>
+# Adapted from emul-libs.eclass
+# Purpose: Providing a template for the app-emulation/emul-linux-* packages
+#
+
+inherit eutils multilib
+
+case "${EAPI:-0}" in
+	3|4|5)
+		EXPORT_FUNCTIONS src_prepare src_install
+		;;
+	*) die "EAPI=${EAPI} is not supported" ;;
+esac
+
+DESCRIPTION="Provides precompiled 32bit libraries"
+#HOMEPAGE="http://amd64.gentoo.org/emul/content.xml"
+HOMEPAGE="http://dev.gentoo.org/~pacho/emul.html"
+SRC_URI="http://dev.gentoo.org/~pacho/emul/${P}.tar.xz"
+
+IUSE="+development"
+
+RESTRICT="strip"
+S=${WORKDIR}
+
+QA_PREBUILT="*"
+
+SLOT="0"
+
+DEPEND=">=sys-apps/findutils-4.2.26"
+RDEPEND=""
+
+emul-linux-x86_src_prepare() {
+	ALLOWED=${ALLOWED:-^${S}/etc/env.d}
+	use development && ALLOWED="${ALLOWED}|/usr/lib32/pkgconfig"
+	find "${S}" ! -type d ! '(' -name '*.so' -o -name '*.so.[0-9]*' -o -name '*.h' ')' | egrep -v "${ALLOWED}" | xargs -d $'\n' rm -f || die 'failed to remove everything but *.so*'
+}
+
+emul-linux-x86_src_install() {
+	for dir in etc/env.d etc/revdep-rebuild ; do
+		if [[ -d "${S}"/${dir} ]] ; then
+			for f in "${S}"/${dir}/* ; do
+				mv -f "$f"{,-emul}
+			done
+		fi
+	done
+
+	# remove void directories
+	find "${S}" -depth -type d -print0 | xargs -0 rmdir 2&>/dev/null
+
+	cp -pPR "${S}"/* "${ED}"/ || die "copying files failed!"
+
+	# Do not hardcode lib32, bug #429726
+	local x86_libdir=$(get_abi_LIBDIR x86)
+	if [[ ${x86_libdir} != "lib32" ]] ; then
+		ewarn "Moving lib32/ to ${x86_libdir}/; some libs might not work"
+		mv "${D}"/usr/lib32 "${D}"/usr/${x86_libdir} || die
+		if [[ -d ${D}/lib32 ]] ; then
+			mv "${D}"/lib32 "${D}"/${x86_libdir} || die
+		fi
+
+		pushd "${D}"/usr/${x86_libdir} >/dev/null
+
+		# Fix linker script paths.
+		local ldscripts
+		if ldscripts=( $(grep -ls '^GROUP.*/lib32/' *.so) ) ; then
+			sed -i \
+				-e "s:/lib32/:/${x86_libdir}/:" \
+				"${ldscripts[@]}" || die
+		fi
+
+		# Rewrite symlinks (if need be).
+		local sym tgt
+		while read sym ; do
+			tgt=$(readlink "${sym}")
+			ln -sf "${tgt/lib32/${x86_libdir}}" "${sym}" || die
+		done < <(find -xtype l)
+
+		popd >/dev/null
+	fi
+
+	# Since header wrapping is added as part of gx86-multilib support,
+	# all packages involved install their own copies of i686* headers
+	# when built with abi_x86_32.
+	if [[ -d "${D}"/usr/include ]] && use abi_x86_32; then
+		rm -r "${D}"/usr/include || die
+	fi
+	# The same goes for ${CHOST}- multilib tool prefixing.
+	if path_exists "${D}"/usr/bin/i686-pc-linux-gnu-* && use abi_x86_32; then
+		rm "${D}"/usr/bin/i686-pc-linux-gnu-* || die
+	fi
+}