lib/46278: gcc -pg with pthread does not work on 6.0_BETA/i386

[isaki%pastel-flower.jp@localhost]

>Number:         46278
>Category:       lib
>Synopsis:       gcc -pg with pthread does not work on 6.0_BETA/i386
>Confidential:   no
>Severity:       serious
>Priority:       high
>Responsible:    lib-bug-people
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Thu Mar 29 02:15:00 +0000 2012
>Originator:     Tetsuya Isaki
>Release:        NetBSD 6.0_BETA/i386
>Organization:
>Environment:
NetBSD xxxxxxxxxx 6.0_BETA NetBSD 6.0_BETA (GENERIC) i386
>Description:
Profile with pthread does not output gmon.out on 6.0_BETA/i386.

-----
% uname -srm
NetBSD 6.0_BETA i386
% cat tmp.c
#include <pthread.h>

void *run(void *arg)
{
        pthread_detach(pthread_self());
}

int main(void)
{
        int i;
        pthread_t tid;

        for (i = 0; i < 8; i++) {
                pthread_create(&tid, NULL, &run, NULL);
        }
        pthread_exit(NULL);
}
% gcc -pg -g tmp.c -lpthread
/usr/lib/libc.so.12: warning: warning: this program uses xdr_peername(), which 
is deprecated and buggy.
/usr/lib/libc.so.12: warning: warning: __findenv is an internal obsolete 
function.
/usr/lib/libc.so.12: warning: warning: this program uses xdr_mapname(), which 
is deprecated and buggy.
/usr/lib/libc.so.12: warning: warning: this program uses xdr_domainname(), 
which is deprecated and buggy.
ld: warning: type and size of dynamic symbol `__stop_link_set_all_categories' 
are not defined
ld: dynamic variable `__stop_link_set_all_categories' is zero size
ld: warning: type and size of dynamic symbol `__start_link_set_all_categories' 
are not defined
ld: dynamic variable `__start_link_set_all_categories' is zero size
% ls
a.out tmp.c
% ./a.out
% ls
a.out tmp.c
%
-----

See also
http://mail-index.netbsd.org/netbsd-users/2011/03/06/msg007966.html
and
http://gnats.netbsd.org/39537
>How-To-Repeat:
see avobe.
>Fix:
N/A