diff -up freedroidrpg-0.15.1/configure~ freedroidrpg-0.15.1/configure
--- freedroidrpg-0.15.1/configure~	2012-03-17 18:31:39.000000000 +0200
+++ freedroidrpg-0.15.1/configure	2014-03-18 16:01:46.285933907 +0200
@@ -5480,12 +5480,12 @@ if test -n "$LUA_CFLAGS"; then
     pkg_cv_LUA_CFLAGS="$LUA_CFLAGS"
  elif test -n "$PKG_CONFIG"; then
     if test -n "$PKG_CONFIG" && \
-    { { $as_echo "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"lua5.1 >= 5.1\""; } >&5
-  ($PKG_CONFIG --exists --print-errors "lua5.1 >= 5.1") 2>&5
+    { { $as_echo "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"lua-5.1 >= 5.1\""; } >&5
+  ($PKG_CONFIG --exists --print-errors "lua-5.1 >= 5.1") 2>&5
   ac_status=$?
   $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
   test $ac_status = 0; }; then
-  pkg_cv_LUA_CFLAGS=`$PKG_CONFIG --cflags "lua5.1 >= 5.1" 2>/dev/null`
+  pkg_cv_LUA_CFLAGS=`$PKG_CONFIG --cflags "lua-5.1 >= 5.1" 2>/dev/null`
 else
   pkg_failed=yes
 fi
@@ -5496,12 +5496,12 @@ if test -n "$LUA_LIBS"; then
     pkg_cv_LUA_LIBS="$LUA_LIBS"
  elif test -n "$PKG_CONFIG"; then
     if test -n "$PKG_CONFIG" && \
-    { { $as_echo "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"lua5.1 >= 5.1\""; } >&5
-  ($PKG_CONFIG --exists --print-errors "lua5.1 >= 5.1") 2>&5
+    { { $as_echo "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"lua-5.1 >= 5.1\""; } >&5
+  ($PKG_CONFIG --exists --print-errors "lua-5.1 >= 5.1") 2>&5
   ac_status=$?
   $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
   test $ac_status = 0; }; then
-  pkg_cv_LUA_LIBS=`$PKG_CONFIG --libs "lua5.1 >= 5.1" 2>/dev/null`
+  pkg_cv_LUA_LIBS=`$PKG_CONFIG --libs "lua-5.1 >= 5.1" 2>/dev/null`
 else
   pkg_failed=yes
 fi
@@ -5521,9 +5521,9 @@ else
         _pkg_short_errors_supported=no
 fi
         if test $_pkg_short_errors_supported = yes; then
-	        LUA_PKG_ERRORS=`$PKG_CONFIG --short-errors --print-errors "lua5.1 >= 5.1" 2>&1`
+	        LUA_PKG_ERRORS=`$PKG_CONFIG --short-errors --print-errors "lua-5.1 >= 5.1" 2>&1`
         else
-	        LUA_PKG_ERRORS=`$PKG_CONFIG --print-errors "lua5.1 >= 5.1" 2>&1`
+	        LUA_PKG_ERRORS=`$PKG_CONFIG --print-errors "lua-5.1 >= 5.1" 2>&1`
         fi
 	# Put the nasty error message in config.log where it belongs
 	echo "$LUA_PKG_ERRORS" >&5
diff -up freedroidrpg-0.15.1/m4/lua.m4~ freedroidrpg-0.15.1/m4/lua.m4
--- freedroidrpg-0.15.1/m4/lua.m4~	2012-03-16 15:42:17.000000000 +0200
+++ freedroidrpg-0.15.1/m4/lua.m4	2014-03-18 16:00:40.366532461 +0200
@@ -38,7 +38,7 @@ AC_DEFUN([KYUA_LUA], [
     PKG_CHECK_MODULES([LUA], [lua >= 5.1], [lua_found=yes], [true])
 
     if test "${lua_found}" = no; then
-        PKG_CHECK_MODULES([LUA], [lua5.1 >= 5.1], [lua_found=yes], [true])
+        PKG_CHECK_MODULES([LUA], [lua-5.1 >= 5.1], [lua_found=yes], [true])
     fi
 
     if test "${lua_found}" = no; then