upgrade luajit & compile with clang (#172)

Author: PatriceJiang

.gitignore

@@ -53,4 +53,8 @@
 /contrib/src copy/
 **/winrt/install
 **/winrt/temp
-**/winrt/cmake/install
+**/winrt/cmake/install
+
+**/tarballs
+/build/android-toolchain*
+/contrib/android-*

contrib/src/luajit/SHA512SUMS

@@ -1 +1 @@
-ef04db5bee66a6e24da8d488df2c035c9593792dca4cb49955d673281a7c7b00ab40f4a63e699959461da7fb0732cf81ec46808c33b66ae1eaca4ef94d0b61e3  LuaJIT-2.1.0-beta2.tar.gz
+c44e967a0f671ed32b55aee810bc8b3b63737a2d7363b8984ae1949b24f98dbb3f9be7c1e10239fdeb96a3e3c836f606342cbd61838cf9bcadb077443eb5bc12  LuaJIT-2.1.0-beta3.tar.gz

contrib/src/luajit/luajit-v2.1.0-beta3.patch

@@ -0,0 +1,13 @@
+diff --git a/src/luaconf.h b/src/luaconf.h
+index c2d29d9..6647c52 100644
+--- a/src/luaconf.h
++++ b/src/luaconf.h
+@@ -102,7 +102,7 @@
+ 
+ /* Note: changing the following defines breaks the Lua 5.1 ABI. */
+ #define LUA_INTEGER	ptrdiff_t
+-#define LUA_IDSIZE	60	/* Size of lua_Debug.short_src. */
++#define LUA_IDSIZE	512	/* Size of lua_Debug.short_src. */
+ /*
+ ** Size of lauxlib and io.* on-stack buffers. Weird workaround to avoid using
+ ** unreasonable amounts of stack space, but still retain ABI compatibility.

contrib/src/luajit/rules.mak

@@ -1,6 +1,6 @@
 # luajit
 
-LUAJIT_VERSION := 2.1.0-beta2
+LUAJIT_VERSION := 2.1.0-beta3
 LUAJIT_URL := http://luajit.org/download/LuaJIT-$(LUAJIT_VERSION).tar.gz
 
 $(TARBALLS)/LuaJIT-$(LUAJIT_VERSION).tar.gz:
@@ -16,6 +16,9 @@ endif
 
 ifeq ($(LUAJIT_VERSION),2.1.0-beta2)
 	$(APPLY) $(SRC)/luajit/luajit-v2.1.0-beta2.patch
+endif
+ifeq ($(LUAJIT_VERSION),2.1.0-beta3)
+	$(APPLY) $(SRC)/luajit/luajit-v2.1.0-beta3.patch
 endif
 	$(MOVE)
 
@@ -68,7 +71,7 @@ endif
 
 .luajit: luajit
 ifdef HAVE_ANDROID
-	cd $< && $(MAKE) -j8 HOST_CC=$(LUAJIT_HOST_CC) CROSS=$(LUAJIT_CROSS_HOST) TARGET_SYS=Linux TARGET_FLAGS=$(LUAJIT_TARGET_FLAGS)
+	cd $< && $(MAKE) -j8 HOST_CC=$(LUAJIT_HOST_CC) CROSS=$(LUAJIT_CROSS_HOST) CC=clang TARGET_SYS=Linux TARGET_FLAGS=$(LUAJIT_TARGET_FLAGS)
 endif
 
 ifdef HAVE_MACOSX