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Re: gcc 4.2 generates error that was OK before
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Re: gcc 4.2 generates error that was OK before


  • Subject: Re: gcc 4.2 generates error that was OK before
  • From: Steve Mills <email@hidden>
  • Date: Tue, 22 Sep 2009 15:17:19 -0500

On Sep 22, 2009, at 14:57:47, Jeffrey Schmidt wrote:

It looks like this has to do with some ambiguities in what a typedef of void is trying to do in this context. In C it's ok to do this, but it isn't in C++. Is that typedef just acting to rename void, and then the function should take no parameters? Or is it specifying the type of a parameter? C++ decided to say it's just not allowed. At least that's my understanding of this error.

On the Mac, those are both typedef'd to void. On Windows, they're typedef'd to int and size_t. Maybe it's just the "static" that's making it puke? No, getting rid of that didn't help. Still, I don't see the need for it in the *declaration* of hsGGlyphCacheHandler. Changing the 2 typedefs below to #defines made it work.


#if defined(HS_BUILD_FOR_WIN32) && !defined(__MWERKS__)
	typedef int			hsNewHandler_ReturnType;
	typedef size_t			hsNewHandler_ParamType;
	#define hsNewHandler_Param	size
#else
	typedef void			hsNewHandler_ReturnType;
	typedef void			hsNewHandler_ParamType;
	#define hsNewHandler_Param
#endif

static hsNewHandler_ReturnType hsGGlyphCacheHandler (hsNewHandler_ParamType);

hsNewHandler_ReturnType hsGGlyphCacheHandler(hsNewHandler_ParamType hsNewHandler_Param)
{
blah
}


elsewhere:

	gPrevHandler = hsSetNewHandler(hsGGlyphCacheHandler);

Steve Mills
Drummer, Mac geek
http://sjmills5.home.mchsi.com/


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References: 
 >gcc 4.2 generates error that was OK before (From: Steve Mills <email@hidden>)
 >Re: gcc 4.2 generates error that was OK before (From: Alastair Houghton <email@hidden>)
 >Re: gcc 4.2 generates error that was OK before (From: Steve Mills <email@hidden>)
 >Re: gcc 4.2 generates error that was OK before (From: Jeffrey Schmidt <email@hidden>)

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