add lua mac support

Author: zilongshanren

contrib/src/lua/lua-ios-support.patch

@@ -0,0 +1,17 @@
+diff --git a/src/Makefile b/src/Makefile
+index e4a3cd6..acaaa26 100644
+--- a/src/Makefile
++++ b/src/Makefile
+@@ -98,8 +98,11 @@ generic:
+ linux:
+ 	$(MAKE) all MYCFLAGS=-DLUA_USE_LINUX MYLIBS="-Wl,-E -ldl -lreadline -lhistory -lncurses"
+ 
++ios:
++	$(MAKE) all
++
+ macosx:
+-	$(MAKE) all MYCFLAGS=-DLUA_USE_LINUX MYLIBS="-lreadline"
++	$(MAKE) all MYLIBS="-lreadline"
+ # use this on Mac OS X 10.3-
+ #	$(MAKE) all MYCFLAGS=-DLUA_USE_MACOSX
+ 

contrib/src/lua/lua-macosx-support.patch

@@ -47,7 +47,7 @@ lua: lua-$(LUA_VERSION).tar.gz .sum-lua
 	$(APPLY) $(SRC)/lua/no-dylibs.patch
 	$(APPLY) $(SRC)/lua/luac-32bits.patch
 	$(APPLY) $(SRC)/lua/no-localeconv.patch
-	$(APPLY) $(SRC)/lua/lua-ios-support.patch
+	$(APPLY) $(SRC)/lua/lua-macosx-support.patch
 ifdef HAVE_DARWIN_OS
 	(cd $(UNPACK_DIR) && \
 	sed -e 's%gcc%$(CC)%' \