--- /dev/null
+--- configure.in~ 2008-09-02 19:01:47.000000000 +0100
++++ configure.in 2008-09-02 19:09:09.000000000 +0100
+@@ -399,7 +399,7 @@
+
+ if (test "$enable_lua" != "no"); then
+ LUA_VER=0
+- PKG_CHECK_MODULES(LUA, lua5.1 >= 5.1.0, LUA_VER=0x050100,
++ PKG_CHECK_MODULES(LUA, lua51 >= 5.1.0, LUA_VER=0x050100,
+ [ PKG_CHECK_MODULES(LUA, lua >= 5.1.0, LUA_VER=0x050100,
+ [ PKG_CHECK_MODULES(LUA, lua50 >= 5.0.0 lua50 < 5.1.0, LUA_VER=0x050000,
+ [ PKG_CHECK_MODULES(LUA, lua >= 5.0.0 lua < 5.1.0, LUA_VER=0x050000, AC_MSG_RESULT([no])) ]