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Re: [Tinycc-devel] global variables in tcc


From: Lluís Batlle i Rossell
Subject: Re: [Tinycc-devel] global variables in tcc
Date: Tue, 2 Apr 2013 17:17:33 +0200
User-agent: Mutt/1.5.21 (2010-09-15)

On Tue, Apr 02, 2013 at 03:29:29PM +0200, grischka wrote:
> Rob wrote:
> >Anyways, perhaps there should be a -fcommon flag on tcc, just like
> >gcc/clang.
> 
> -f[no]-common already exists in tcc.  It sets TCCState->nocommon.
> 
> The default for s->nocommon once was 0 (meaning common=yes, as in gcc)
> but I changed it to 1 (libtcc.c:1016) eventually because of problems
> in some test program.  I didn't investigate further what the problem
> was though.  But it probably is a problem in tcc (with using common=yes)
> because there was no problem when using gcc to compile/link that program.

As an additional point, if "int a;" is in multiple translation units,
I think that tcc reports a linking error, but links nevertheless. This is also a
bit strange behaviour, no?

Regards,
Lluís.



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