Index: crossfire-client-1.71.0/configure.ac
===================================================================
--- crossfire-client-1.71.0.orig/configure.ac	2014-04-06 01:21:27.000000000 +0300
+++ crossfire-client-1.71.0/configure.ac	2014-05-11 14:16:59.366702195 +0300
@@ -164,7 +164,7 @@
 
 # Test for Lua only if it has been explicitly enabled by the user.
 if test "$enable_lua" = "yes"; then
-    PKG_CHECK_MODULES([LUA], [lua-5.1], [have_lua=yes])
+    PKG_CHECK_MODULES([LUA], [lua5.1], [have_lua=yes])
     AC_DEFINE(HAVE_LUA, 1, [Define to use Lua 5.x])
 fi
 
