Dear Sir,
On Fri, Sep 20, 2002 at 09:29:48AM -0500, Burton M. Strauss III wrote:
> >From the GNU doc, it sounds like a standard extension of gcc - beats me why
> it's not there in FreeBSD.
>
> However, it sounds like ./configure isn't working properly. Can you find
> the lines in config.h and config.log regarding the test and post them...
> For me it's:
>
>
> /* Define if you have backtrace */
> #define HAVE_BACKTRACE 1
>
> and
>
> configure:4213: checking for backtrace in -lc
> configure:4232: gcc -o
> conftest -g -O2 -pipe -Wshadow -Wpointer-arith -Wmissing-prototypes -Wmissi
> ng-declarations -Wnested-externs -fPIC conftest.c -lc -ldl 1>&5
>
>
>From config.h
/* #undef HAVE_BACKTRACE */
#define HAVE_BACKTRACE 1
>From config.log
configure:4127: checking for backtrace in -lc
configure:4146: gcc -o conftest -g -O2 -pipe conftest.c -lc 1>&5
/tmp/cc475FVO.o: In function `main':
/home/anwsmh/build/ntop-2.1.2/ntop/configure(.text+0x7): undefined
reference to `backtrace'
configure: failed program was:
#line 4135 "configure"
#include "confdefs.h"
/* Override any gcc2 internal prototype to avoid an error. */
/* We use char because int might match the return type of a gcc2
builtin and then its argument prototype would still apply. */
char backtrace();
int main() {
backtrace()
; return 0; }
>
> If backtrace doesn't work, then running under gdb is probably the only
> option.
>
> -----Burton
>
Thank you,
Yours sincerely.
--
------------------------------------------------------------------------
Stanley Hopcroft
------------------------------------------------------------------------
'...No man is an island, entire of itself; every man is a piece of the
continent, a part of the main. If a clod be washed away by the sea,
Europe is the less, as well as if a promontory were, as well as if a
manor of thy friend's or of thine own were. Any man's death diminishes
me, because I am involved in mankind; and therefore never send to know
for whom the bell tolls; it tolls for thee...'
from Meditation 17, J Donne.
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