gcc -m32 and int64_t

[Steve Kargl]

On Tue, Jun 02, 2009 at 09:43:20PM -0700, Steve Kargl wrote:
> On Wed, Jun 03, 2009 at 11:50:53AM +0800, David Xu wrote:
> > It seems there is a problem in /sys/am64/_types.h when cross-compiling a
> > 32-bit code in amd64 machine, the following code prints 4 instead of 8:
> > 
> > /* int64_size.c */
> > 
> > #include <sys/types.h>
> > #include <stdio.h>
> > 
> > int main()
> > {
> >     printf("%d\n", sizeof(int64_t));
> >     return (0);
> > }
> > 
> > 
> > $cc -m32 -o int64_size -B /usr/lib32/ int64_size.c
> > $./int64_size
> > 4
> > 
> 
> IIRC, the c compiler in the base system isn't setup 
> to be a cross-compiler.  So, there are probably many
> more problems than the one shown above.  Peter Wemm
> has posted about this previously.
> 

For more info, see

http://www.freebsd.org/cgi/query-pr.cgi?pr=gnu/112215

-- 
Steve