Re: C, math.h and globals
Hi,
On Tue, 11 Mar 2003, Colin Watson wrote:
> On Tue, Mar 11, 2003 at 01:40:49PM +0100, Vincent Lefevre wrote:
> > On Tue, Mar 11, 2003 at 11:37:42 +0000, Colin Watson wrote:
> > > You could '#define __STRICT_ANSI__' at the top of the program if you
> > > want the C library to define only what's in bare ISO Standard C, or
> > > '#define _ISOC99_SOURCE' for C99. With either of those y1() won't be
> > > defined.
> >
> > It won't be defined in the header, but the corresponding symbol will
> > still be defined in the library itself. Won't this be a problem when
> > linking?
>
> It links fine, but if you link with -lm (not the default) then it seems
> you can get segfaults at run-time.
>
Then what is the default? I always use 'gcc -lm' when using the math
library.
Greetz,
Sebastiaan
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