pthread_mutex_init() with gcc-3.4.3 on Tru64 UNIX

[Albert Chin <gcc-help@mlists.thewrittenword.com>]

$ uname -a
OSF1 [name] V4.0 878 alpha
$ uname -a
OSF1 [name] V5.1 732 alpha

$ cat mutex.c
#include <stdlib.h>
#include <pthread.h>

int
main (void) {
  pthread_mutex_t lck;

  if (pthread_mutex_init(&lck, 0) != 0)
    exit (2);
  if (pthread_mutex_lock(&lck) != 0)
    exit (3);
  if (pthread_mutex_unlock(&lck) != 0)
    exit (4);
  if (pthread_mutex_destroy(&lck) != 0)
    exit (5);

  exit (0);
}

$ cc mutex.c
ld:
Unresolved:
__pthread_mutex_init
__pthread_mutex_destroy
__pthread_mutex_lock
__pthread_mutex_unlock
$ cc -pthread mutex.c
$ ls -ld a.out
-rwxrwxr-x   1 china    china      20288 Jul  8 18:40 a.out
$ nm a.out | grep pthread_mutex
__pthread_mutex_destroy          | 0000000000000000 | U | 0000000000000008
__pthread_mutex_init             | 0000000000000000 | U | 0000000000000008
__pthread_mutex_lock             | 0000000000000000 | U | 0000000000000008
__pthread_mutex_unlock           | 0000000000000000 | U | 0000000000000008

$ /opt/TWWfsw/gcc343/bin/gcc -v
Reading specs from
/opt/TWWfsw/gcc343/lib/gcc/alpha-dec-osf5.1/3.4.3/specs
Configured with: /opt/build/gcc-3.4.3/configure --enable-nls
--with-included-gettext --enable-shared --enable-threads
--host=alpha-dec-osf5.1 --with-local-prefix=/opt/TWWfsw/gcc343
--prefix=/opt/TWWfsw/gcc343
Thread model: posix
gcc version 3.4.3 (TWW)
$ /opt/TWWfsw/gcc343/bin/gcc mutex.c
$ ls -ld a.out
-rwxrwxr-x   1 china    china      41072 Jul  8 18:40 a.out
$ nm a.out | grep pthread_mutex
__pthread_mutex_destroy          | 0000004831844816 | T | 0000000000000008
__pthread_mutex_init             | 0000004831844800 | T | 0000000000000008
__pthread_mutex_lock             | 0000004831844640 | T | 0000000000000008
__pthread_mutex_trylock          | 0000004831844656 | T | 0000000000000008
__pthread_mutex_unlock           | 0000004831844672 | T | 0000000000000008

$ /opt/TWWfsw/gcc332/bin/gcc -v
Reading specs from
/opt/TWWfsw/gcc332/lib/gcc-lib/alphaev67-dec-osf5.1/3.3.2/specs
Configured with: /opt/build/gcc-3.3.2/configure --enable-nls
--with-included-gettext --enable-shared --enable-threads
--with-local-prefix=/opt/TWWfsw/gcc332 --prefix=/opt/TWWfsw/gcc332
Thread model: single
gcc version 3.3.2 (TWW)
$ /opt/TWWfsw/gcc332/bin/gcc mutex.c
__pthread_mutex_init
__pthread_mutex_lock
__pthread_mutex_unlock
__pthread_mutex_destroy
collect2: ld returned 1 exit status

So, why does /opt/TWWfsw/gcc343/bin/gcc resolve the pthread_mutex_*
symbols and cc does not? Should the GCC behavior mirror the cc
behavior?

-- 
albert chin (china@thewrittenword.com)