[Gc] RE: ucontext.h deprecation in MacOS 10.6 (was: Compiling gc with gcc-4.2.1)

Boehm, Hans hans.boehm at hp.com
Mon Aug 31 11:57:51 PDT 2009

I've attached a patch you can try.  This was not tested on MacOS, but I did test on IA64 and ARM Linux.  It has the advantage of not complicating the code with any more MacOS specifics.


> -----Original Message-----
> From: Victor Ivrii [mailto:ivrii at math.toronto.edu] 
> Sent: Monday, August 31, 2009 11:16 AM
> To: Boehm, Hans
> Subject: Re: uncontext.h deprecation in MacOS 10.6 (was: 
> Compiling gc with gcc-4.2.1)
> On Mon, Aug 31, 2009 at 05:48:45PM +0000, Boehm, Hans wrote:
> > [Adding gc.linux.hpl.hp.com]
> > 
> > Actually, NO_GETCONTEXT should already be defined for 
> DARWIN (mach_dep.c:169).
> > You are right that the real problem seems to be the 
> inclusion of ucontext.h by mach_dep.c.  I would try including 
> that only if NO_GETCONTEXT is not defined.  Including 
> sys/ucontext.h instead might work if that doesn't, but that 
> strikes me as a very MacOS-specific hack.
> > 
> > A tested patch from someone with a Snow Leopard 
> installation would be great.
> It was not me who actually observed it and found solution (I 
> observed it later) I can test the patch but writing it is a 
> bit above my head. 
> Including  sys/ucontext.h works - I can confirm this
> Victor
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