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Re: [Tinycc-devel] TCC on OS X

From: Thomas Preud'homme
Subject: Re: [Tinycc-devel] TCC on OS X
Date: Wed, 15 Sep 2010 12:47:44 +0200
User-agent: KMail/1.13.5 (Linux/2.6.32-5-686; KDE/4.4.5; i686; ; )

Le mercredi 15 septembre 2010 00:59:20, vous avez écrit :
> Hey Thomas,
> Sorry for the confusion. As I understand it OS X 10.6 is a 64 bit OS that
> reports itself as i386 for compatibility. The OS has both 32 and 64 bit
> versions of most libraries and headers.
> I'm going to try installing TCC tonight on OS X 10.5 which is purely 32
> bit, to see if that works correctly.
> In the meantime I have tried manually changing the config.mak and config.h
> files to force a 32 bit build for the x86_64 architecture. I have no idea
> whether this is heading in the right direction or not, but I certainly get
> a different error message now, so I see that as encouraging... :-p
> config.mak (changes only)
> CLFAGS=-O2 -m32
> ARCH=x86-64
> config.h (changes only)
> #define HOST_X86_64 1
> The error I get now is:
> $ make
> gcc -o tcc tcc.c -DTCC_TARGET_X86_64 -O2 -m32 -g -Wall -fno-strict-aliasing
> -Wno-pointer-sign -lm -ldl
> In file included from tcc.c:21:
> libtcc.c: In function ‘rt_get_caller_pc’:
> libtcc.c:1481: error: request for member ‘gregs’ in something not a
> structure or union
> libtcc.c:1481: error: ‘EIP’ undeclared (first use in this function)
> libtcc.c:1481: error: (Each undeclared identifier is reported only once
> libtcc.c:1481: error: for each function it appears in.)
> libtcc.c:1490: error: request for member ‘gregs’ in something not a
> structure or union
> libtcc.c:1490: error: ‘EBP’ undeclared (first use in this function)
> make: *** [tcc] Error 1
Ok, I got a fix for that. Could you try applying the patch attached to this 
email? Save the patch somewhere and do patch -p1 < 

If this patch is not enough, try adding #define_XOPEN_SOURCE before the 
"#include <sys/ucontext.h>" line in tcc.h and tells me if it makes any 

As to handling mac os X 10.6 in configure I need the result of uname -s and 
uname -a (just in case). By the way, are you sure macos X 10.6 is only 64 bits 
? Because if it's not the case I need to find a way to differentiate between a 
64 bit macos fainting 32 bit and a real 32 bit one.
> > Could you send me an attached file with the result of echo "" | cpp -dM
> please?
> I have attached the result to this email.
Thanks, it was helpful.
> Thanks again for your help.
> - Aaron
Best regards,

Thomas Preud'homme
> ---
> Aaron Gough
> Web Developer
> +1-647-746-7083
> www.thingsaaronmade.com

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