--- /usr/portage/dev-lang/lua/files/lua.pc	2012-03-04 23:58:29.000000000 +0100
+++ dev-lang/lua/files/luav.pc	2014-11-10 01:08:06.811301516 +0100
@@ -10,7 +10,7 @@
 # grep '^INSTALL_.*=' ../Makefile | sed 's/INSTALL_TOP/prefix/'
 prefix= /usr
 INSTALL_BIN= ${prefix}/bin
-INSTALL_INC= ${prefix}/include
+INSTALL_INC= ${prefix}/include/lua${V}
 INSTALL_LIB= ${prefix}/,lib,
 INSTALL_MAN= ${prefix}/man/man1
 INSTALL_LMOD= ${prefix}/share/lua/${V}
@@ -19,13 +19,14 @@
 # canonical vars
 exec_prefix=${prefix}
 libdir=${exec_prefix}/,lib,
-includedir=${prefix}/include
+includedir=${prefix}/include/lua${V}
 
 Name: Lua
 Description: An Extensible Extension Language
 Version: ${R}
 Requires: 
-Libs: -L${libdir} -llua -lm
+Libs: -L${libdir} -llua${V}
+Libs.private: -lm
 Cflags: -I${includedir}
 
 # (end of lua.pc)