Eclass for modular X ebuilds.

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diff --git a/eclass/x-modular.eclass b/eclass/x-modular.eclass
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+# Copyright 1999-2005 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+# $Header: /var/cvsroot/gentoo-x86/eclass/x-modular.eclass,v 1.1 2005/08/08 02:57:50 spyderous Exp $
+#
+# Author: Donnie Berkholz <spyderous@gentoo.org>
+#
+# This eclass is designed to reduce code duplication in the modularized X11
+# ebuilds.
+
+EXPORT_FUNCTIONS src_unpack src_compile src_install
+
+inherit eutils
+
+# Directory prefix to use for everything
+# Change to /usr/X11R6 once it's standard
+XDIR="/usr"
+
+IUSE=""
+HOMEPAGE="http://xorg.freedesktop.org/"
+SRC_URI="http://xorg.freedesktop.org/X11R7.0-RC0/everything/${P}.tar.bz2"
+LICENSE="X11"
+SLOT="0"
+
+# Set up shared dependencies
+if [ -n "${SNAPSHOT}" ]; then
+# FIXME: What's the minimal libtool version supporting arbitrary versioning?
+	DEPEND="${DEPEND}
+		>=sys-devel/autoconf-2.57
+		>=sys-devel/automake-1.7
+		>=sys-devel/libtool-1.5
+		>=sys-devel/m4-1.4"
+fi
+
+DEPEND="${DEPEND}
+	dev-util/pkgconfig
+	x11-misc/util-macros"
+
+RDEPEND="${RDEPEND}"
+# Shouldn't be necessary once we're in a standard location
+#	x11-base/x11-env"
+# FIXME: Uncomment once it's in portage
+#	!x11-base/xorg-x11"
+
+x-modular_unpack_source() {
+	unpack ${A}
+	cd ${S}
+}
+
+x-modular_patch_source() {
+	# Use standardized names and locations with bulk patching
+	# Patch directory is ${WORKDIR}/patch
+	# See epatch() in eutils.eclass for more documentation
+	if [ -z "${EPATCH_SUFFIX}" ] ; then
+		EPATCH_SUFFIX="patch"
+	fi
+
+	# For specific list of patches
+	if [ -n "${PATCHES}" ] ; then
+		for PATCH in ${PATCHES}
+		do
+			epatch ${PATCH}
+		done
+	# For non-default directory bulk patching
+	elif [ -n "${PATCH_LOC}" ] ; then
+		epatch ${PATCH_LOC}
+	# For standard bulk patching
+	elif [ -d "${EPATCH_SOURCE}" ] ; then
+		epatch
+	fi
+}
+
+x-modular_reconf_source() {
+	# Run autoreconf for CVS snapshots only
+	if [ "${SNAPSHOT}" = "yes" ]
+	then
+		# If possible, generate configure if it doesn't exist
+		if [ -f "${S}/configure.ac" ]
+		then
+			einfo "Running autoreconf..."
+			autoreconf -v --install
+		fi
+	fi
+
+}
+
+x-modular_src_unpack() {
+	x-modular_unpack_source
+	x-modular_patch_source
+	x-modular_reconf_source
+}
+
+x-modular_src_compile() {
+	# If prefix isn't set here, .pc files cause problems
+	if [ -x ./configure ]; then
+		econf --prefix=${XDIR} \
+			--datadir=${XDIR}/share \
+			${CONFIGURE_OPTIONS}
+	fi
+	emake || die "emake failed"
+}
+
+x-modular_src_install() {
+	# Install everything to ${XDIR}
+	make \
+		DESTDIR="${D}" \
+		install
+# Shouldn't be necessary in XDIR=/usr
+# einstall forces datadir, so we need to re-force it
+#		datadir=${XDIR}/share \
+#		mandir=${XDIR}/share/man \
+}