contrib/lua: added support for iOS

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

+diff -ru lua/Makefile lua-f/Makefile
+--- lua/Makefile	2008-08-12 02:40:48.000000000 +0200
++++ lua-f/Makefile	2012-03-21 13:58:30.000000000 +0100
+@@ -38,7 +38,7 @@
+ # == END OF USER SETTINGS. NO NEED TO CHANGE ANYTHING BELOW THIS LINE =========
+ 
+ # Convenience platforms targets.
+-PLATS= aix ansi bsd freebsd generic linux macosx mingw posix solaris
++PLATS= aix ansi bsd freebsd generic linux ios macosx mingw posix solaris
+ 
+ # What to install.
+ TO_BIN= lua luac
+diff -ru lua/src/Makefile lua-f/src/Makefile
+--- lua/src/Makefile	2012-03-21 13:58:59.000000000 +0100
++++ lua-f/src/Makefile	2012-03-21 13:57:08.000000000 +0100
+@@ -98,6 +98,9 @@
+ linux:
+ 	$(MAKE) all MYCFLAGS=-DLUA_USE_LINUX MYLIBS="-Wl,-E -ldl"
+ 
++ios:
++	$(MAKE) all MYCFLAGS=-DLUA_USE_LINUX
++
+ macosx:
+ 	$(MAKE) all MYCFLAGS=-DLUA_USE_LINUX MYLIBS="-lreadline"
+ # use this on Mac OS X 10.3-

contrib/src/lua/rules.mak

@@ -14,6 +14,9 @@ endif
 ifdef HAVE_MACOSX
 LUA_TARGET := macosx
 endif
+ifdef HAVE_IOS
+LUA_TARGET := ios
+endif
 ifdef HAVE_WIN32
 LUA_TARGET := mingw
 endif
@@ -34,12 +37,15 @@ lua: lua-$(LUA_VERSION).tar.gz .sum-lua
 	$(APPLY) $(SRC)/lua/lua-noreadline.patch
 	$(APPLY) $(SRC)/lua/luac-32bits.patch
 	$(APPLY) $(SRC)/lua/no-localeconv.patch
-ifdef HAVE_MACOSX
+ifdef HAVE_DARWIN_OS
 	(cd $(UNPACK_DIR) && \
 	sed -e 's%gcc%$(CC)%' \
 		-e 's%LDFLAGS=%LDFLAGS=$(EXTRA_CFLAGS) $(EXTRA_LDFLAGS)%' \
 		-i.orig src/Makefile)
 endif
+ifdef HAVE_IOS
+	$(APPLY) $(SRC)/lua/lua-ios-support.patch
+endif
 ifdef HAVE_WIN32
 	cd $(UNPACK_DIR) && sed -i.orig -e 's/lua luac/lua.exe/' Makefile
 endif