Date: Sat, 16 Jun 2007 13:54:34 -0700 From: Steve Kargl <sgk@troutmask.apl.washington.edu> To: Craig Rodrigues <rodrigc@crodrigues.org> Cc: deischen@freebsd.org, freebsd-current@freebsd.org, davidxu@freebsd.org Subject: Re: Undefined symbol timer_delete()? Message-ID: <20070616205434.GA26966@troutmask.apl.washington.edu> In-Reply-To: <20070616203624.GA37899@crodrigues.org> References: <20070616203624.GA37899@crodrigues.org>
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On Sat, Jun 16, 2007 at 04:36:24PM -0400, Craig Rodrigues wrote:
> Hi,
>
> I was in the middle of updating the xfsprogs port
> when I got a linker problem related to timer_delete(2).
>
> I just tried to compile the following program:
>
> #include <time.h>
> int main(void) {
> timer_t timerid;
> timer_delete(timerid);
> return 0;
> }
>
> and got this linker error:
> /var/tmp//ccBspzgp.o(.text+0x18): In function `main':
> : undefined reference to `timer_delete'
>
> According to the timer_delete(2) man page, this symbol should be in libc,
> but I can't link to it.
>
> Any ideas what is going on?
>
You failed to include the actual command you used to compile
your program. So, I'm guessing pilot error.
mobile:kargl[203] cat > j.c
#include <time.h>
int main(void) {
timer_t timerid;
timer_delete(timerid);
return 0;
}
mobile:kargl[204] cc -o z j.c
/tmp/ccisiugw.o(.text+0x18): In function `main':
: undefined reference to `timer_delete'
mobile:kargl[205] cc -o z j.c -lrt
It appears that the manpage is wrong
LIBRARY
Standard C Library (libc, -lc)
Hint:
(cd /usr/src/lib ; find . -name \*.map | xargs grep timer)
--
Steve
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