for lua support

vim.eclass.patch

diff --git vim.eclass vim.eclass
index 675f684..dec0e91 100644
--- vim.eclass
+++ vim.eclass
@@ -80,20 +80,22 @@ if [[ ${MY_PN} == "vim-core" ]] ; then
 	IUSE="${IUSE} livecd"
 	PDEPEND="!livecd? ( app-vim/gentoo-syntax )"
 else
-	IUSE="${IUSE} cscope debug gpm perl python ruby"
+	IUSE="${IUSE} cscope debug gpm perl python ruby lua"
 
 	DEPEND="${DEPEND}
 		cscope?  ( dev-util/cscope )
 		gpm?     ( >=sys-libs/gpm-1.19.3 )
 		perl?    ( dev-lang/perl )
 		acl?     ( kernel_linux? ( sys-apps/acl ) )
-		ruby?    ( || ( dev-lang/ruby:1.9 dev-lang/ruby:1.8 ) )"
+		ruby?    ( || ( dev-lang/ruby:1.9 dev-lang/ruby:1.8 ) )
+		lua?     ( dev-lang/lua )"
 	RDEPEND="${RDEPEND}
 		cscope?  ( dev-util/cscope )
 		gpm?     ( >=sys-libs/gpm-1.19.3 )
 		perl?    ( dev-lang/perl )
 		acl?     ( kernel_linux? ( sys-apps/acl ) )
 		ruby?    ( || ( dev-lang/ruby:1.9 dev-lang/ruby:1.8 ) )
+		lua?     ( dev-lang/lua )
 		!<app-vim/align-30-r1
 		!<app-vim/vimbuddy-0.9.1-r1
 		!<app-vim/autoalign-11
@@ -409,6 +411,7 @@ vim_src_configure() {
 			--disable-perlinterp \
 			--disable-pythoninterp \
 			--disable-rubyinterp \
+			--disable-luainterp \
 			--disable-gpm"
 
 	else
@@ -421,6 +424,7 @@ vim_src_configure() {
 		myconf="${myconf} `use_enable perl perlinterp`"
 		myconf="${myconf} `use_enable python pythoninterp`"
 		myconf="${myconf} `use_enable ruby rubyinterp`"
+		myconf="${myconf} `use_enable lua luainterp`"
 		# tclinterp is broken; when you --enable-tclinterp flag, then
 		# the following command never returns:
 		#   VIMINIT='let OS=system("uname -s")' vim