and, if LinuxThreads, pthread_kill_other_threads_np().

(but not sure if it's usable yet).  Needs to be tested on various versions
of Linux native LinuxThreads.

Move select() detection forward, error if not available.
Move select() args type check forward so it can be used in subsequent tests.

Move socket setup to set_socket(), called before the uid/gid change.

no pthread_detach().  So, augment pthread_create() in default libraries
test to detach created thread.

Modify slapd_tester to use pid_t and wait macros.  May need to
implement additional macros in ac/wait.h (in addition to
WEXITSTATUS and WIFEXITED).

(libtool, though, will drag it for it's use...)

libraries.  Original work test is still used to valid detected
header/library are compatible.

the environment.  A more general solution is needed.

support.  Will submit this to autoconf maintainers...

rebuilt to reflect it.

after LN_S test.  Moved to openldap.m4 and cached result.
Does not yet handle case where LN_H == 'cp' and LN_S == 'ln'.