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Re: [Tinycc-devel] global variables in tcc

From: Rob
Subject: Re: [Tinycc-devel] global variables in tcc
Date: Thu, 4 Apr 2013 14:01:12 +0100

On 2 April 2013 16:17, Lluís Batlle i Rossell <address@hidden> wrote:
> 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.

Ah right, fair enough.

> 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?

I get this too,and the resulting binary segfaulted for me. Not sure what's
causing it.


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