--- /var/repos/gentoo/net-analyzer/rrdtool/rrdtool-1.4.8-r1.ebuild	2014-05-20 13:01:00.000000000 +0700
+++ rrdtool-1.4.8-r1.ebuild	2014-06-08 19:15:14.829816875 +0700
@@ -7,7 +7,7 @@
 DISTUTILS_OPTIONAL="true"
 GENTOO_DEPEND_ON_PERL="no"
 PYTHON_COMPAT=( python2_7 )
-inherit eutils distutils-r1 flag-o-matic multilib perl-module autotools
+inherit eutils distutils-r1 flag-o-matic multilib perl-module autotools toolchain-funcs
 
 DESCRIPTION="A system to store and display time-series data"
 HOMEPAGE="http://oss.oetiker.ch/rrdtool/"
@@ -16,7 +16,7 @@
 LICENSE="GPL-2"
 SLOT="0"
 KEYWORDS="~alpha ~amd64 ~arm ~hppa ~ia64 ~mips ~ppc ~ppc64 ~s390 ~sh ~sparc ~x86 ~x86-fbsd ~amd64-linux ~ia64-linux ~x86-linux ~x86-macos ~x86-solaris"
-IUSE="dbi doc +graph lua perl python ruby rrdcgi static-libs tcl tcpd"
+IUSE="dbi doc +graph lua luajit perl python ruby rrdcgi static-libs tcl tcpd"
 
 PDEPEND="
 	ruby? ( ~dev-ruby/rrdtool-bindings-${PV} )
@@ -31,7 +31,10 @@
 		>=x11-libs/cairo-1.10.2[svg,static-libs(+)?]
 		>=x11-libs/pango-1.28
 	)
-	lua? ( dev-lang/lua[deprecated] )
+	lua? (
+		!luajit? ( dev-lang/lua[deprecated] )
+		luajit? ( dev-lang/luajit:2 )
+	)
 	perl? ( dev-lang/perl )
 	python? ( ${PYTHON_DEPS} )
 	tcl? ( dev-lang/tcl )
@@ -108,7 +111,15 @@
 }
 
 src_compile() {
-	default
+	local lua="lua";
+	use luajit && lua="luajit";
+	emake \
+		LUA_INSTALL_CMOD="$($(tc-getPKG_CONFIG) --variable INSTALL_CMOD ${lua})" \
+		LUA_INSTALL_LMOD="$($(tc-getPKG_CONFIG) --variable INSTALL_LMOD ${lua})" \
+		LUA="/usr/bin/${lua}" \
+		LUA_LFLAGS="$($(tc-getPKG_CONFIG) --libs ${lua})" \
+		LUA_CFLAGS="$($(tc-getPKG_CONFIG) --cflags ${lua})" \
+	|| die "make install failed"
 
 	use python && distutils-r1_src_compile
 }