new emul-libs eclass

diff --git a/eclass/emul-libs.eclass b/eclass/emul-libs.eclass
new file mode 100644 (file)
index 0000000..1709586
--- /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!"
+}