new emul-libs eclass

1 files changed, 45 insertions, 0 deletions

diff --git a/eclass/emul-libs.eclass b/eclass/emul-libs.eclass
new file mode 100644
index 000000000000..170958666f35
--- /dev/null
+++ b/eclass/emul-libs.eclass
@@ -0,0 +1,45 @@
+# Copyright 1999-2007 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+# $Header: /var/cvsroot/gentoo-x86/eclass/emul-libs.eclass,v 1.1 2007/02/21 09:08:20 blubb Exp $
+
+#
+# Original Author: Simon Stelling <blubb@gentoo.org>
+# Purpose: Providing a template for the app-emulation/emul-linux-* packages 
+#
+
+EXPORT_FUNCTIONS src_unpack src_install
+
+DESCRIPTION="Provides precompiled 32bit libraries"
+HOMEPAGE="http://amd64.gentoo.org/emul/content.xml"
+
+RESTRICT="strip"
+S=${WORKDIR}
+
+SLOT="0"
+IUSE=""
+
+emul-libs_src_unpack() {
+	einfo "Note: You can safely ignore the 'trailing garbage after EOF'"
+	einfo "      warnings below"
+	
+	unpack ${A}
+	cd "${S}"
+	
+	ALLOWED=${ALLOWED:-^${S}/etc/env.d}
+	find "${S}" ! -type d ! -name '*.so*' | egrep -v "${ALLOWED}" | xargs -d $'\n' rm -f || die 'failed to remove everything but *.so*'
+}
+
+emul-libs_src_install() {
+	for dir in etc/env.d etc/revdep-rebuild ; do
+		if [[ -d "${S}"/${dir} ]] ; then
+			for f in "${S}"/${dir}/* ; do
+				mv -f "$f"{,-emul}
+			done
+		fi
+	done
+
+	# remove void directories
+	find "${S}" -print0 -depth -type d | xargs -0 rmdir 2&>/dev/null
+
+	cp -dpPR "${S}"/* "${D}"/ || die "copying files failed!"
+}