Added lua.eclass

1 files changed, 59 insertions, 0 deletions

diff --git a/eclass/lua.eclass b/eclass/lua.eclass
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+++ b/eclass/lua.eclass
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+# Copyright 1999-2008 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+# $Header: $
+
+# @ECLASS: lua.eclass
+# @MAINTAINER:
+# hawking@gentoo.org
+#
+# @BLURB:
+# A Utility Eclass that should be inherited by anything that deals with Lua or Lua modules.
+# @DESCRIPTION:
+# Some useful functions for dealing with Lua.
+
+inherit multilib
+
+# @FUNCTION: lua_version
+# @DESCRIPTION:
+# Run without arguments, it sets LUAVER
+lua_version() {
+	local luaver=
+	luaver="$(lua -v 2>&1| cut -d' ' -f2)"
+	export LUAVER="${luaver%.*}"
+}
+
+# @FUNCTION: lua_get_sharedir
+# Run without arguments, returns the share dir where lua modules are installed.
+lua_get_sharedir() {
+	lua_version
+	echo -n /usr/share/lua/${LUAVER}/
+}
+
+# @FUNCTION: lua_get_libdir
+# Run without arguments, returns the library dir where lua C modules are
+# installed.
+lua_get_libdir() {
+	lua_version
+	echo -n /usr/$(get_libdir)/lua/${LUAVER}
+}
+
+# @FUNCTION: lua_install_module
+# @DESCRIPTION:
+# Install a lua module
+lua_install_module() {
+	lua_version
+
+	insinto /usr/share/lua/${LUAVER}
+	doins $@ || die "doins failed"
+}
+
+# @FUNCTION: lua_install_cmodule
+# @DESCRIPTION:
+# Install a Lua module which is a .so file.
+lua_install_cmodule() {
+	lua_version
+
+	insinto /usr/$(get_libdir)/lua/${LUAVER}
+	doins $@ || die "doins failed"
+}
+