let manually define PROPAGATE_ALLOCF (needed for LuaJIT GC64)

1 files changed, 2 insertions, 0 deletions

diff --git a/src/macros_and_utils.h b/src/macros_and_utils.h
index 2a619b3..9d73d50 100644
--- a/src/macros_and_utils.h
+++ b/src/macros_and_utils.h
@@ -13,6 +13,7 @@
 #endif
 
  // For some reason, LuaJIT 64bits doesn't support lua_newstate()
+#ifndef PROPAGATE_ALLOCF //you should #define PROPAGATE_ALLOCF 1 for LuaJIT in GC64 mode
 #if defined(LUA_JITLIBNAME) && (defined(__x86_64__) || defined(_M_X64))
  //#pragma message( "LuaJIT 64 bits detected: don't propagate allocf")
 #define PROPAGATE_ALLOCF 0
@@ -20,6 +21,7 @@
  //#pragma message( "PUC-Lua detected: propagate allocf")
 #define PROPAGATE_ALLOCF 1
 #endif // LuaJIT x64
+#endif // PROPAGATE_ALLOCF defined
 #if PROPAGATE_ALLOCF
 #define PROPAGATE_ALLOCF_PREP( L) void* allocUD; lua_Alloc allocF = lua_getallocf( L, &allocUD)
 #define PROPAGATE_ALLOCF_ALLOC() lua_newstate( allocF, allocUD)