From ebf9911649f6596128493c5965f5b5638a029812 Mon Sep 17 00:00:00 2001
From: Max Horn
Date: Tue, 19 Oct 2010 09:42:48 +0000
Subject: SWORD25: Work around for bug in Mac OS X 10.2 SDK

svn-id: r53604
---
 engines/sword25/util/lua/lmathlib.cpp | 10 ++++++++++
 1 file changed, 10 insertions(+)

(limited to 'engines/sword25/util')

diff --git a/engines/sword25/util/lua/lmathlib.cpp b/engines/sword25/util/lua/lmathlib.cpp
index fd9c69681f..ed50539f1f 100644
--- a/engines/sword25/util/lua/lmathlib.cpp
+++ b/engines/sword25/util/lua/lmathlib.cpp
@@ -252,7 +252,17 @@ LUALIB_API int luaopen_math (lua_State *L) {
   luaL_register(L, LUA_MATHLIBNAME, mathlib);
   lua_pushnumber(L, PI);
   lua_setfield(L, -2, "pi");
+#if defined(MACOSX) && defined(__GNUC__) && ! defined( __XLC__ )
+  // WORKAROUND for a bug in the Mac OS X 10.2.8 SDK. It defines
+  // HUGE_VAL simply to 1e500, leading to this compiler error:
+  //   error: floating constant exceeds range of 'double'
+  // However, GCC (at least the version we are using for our cross
+  // compiler) has a __builtin_huge_val which returns the correct
+  // value, so we just use that.
+  lua_pushnumber(L, __builtin_huge_val());
+#else
   lua_pushnumber(L, HUGE_VAL);
+#endif
   lua_setfield(L, -2, "huge");
 #if defined(LUA_COMPAT_MOD)
   lua_getfield(L, -1, "fmod");
-- 
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