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Problems with pthread detection under HPUX 11.0 (ITS#14)

Full_Name: Josh Tiefenbach
Version: head of CVS tree as of 12/21/98
OS: HP-UX 11.00
URL: ftp://ftp.openldap.org/incoming/
Submission from: (NULL) (

The configure script does not correctly recognize the existance of the pthread
libraries under HPUX 11.00. To use the pthread libraries, one must

#include <pthread.h>

in the program, and then link with -lpthread.

The problem is that configure, when executing the AC_CHECK_LIB macro, does not
include the pthread.h header file. This is required to avoid undefined symbol

(There is an additional problem in that the test program

#include <pthread.h>
main () {

horks complaining about incorrect parameter usage, but it at least links)

Interestingly enough, one does *not* need to include pthread.h in a test
when checking to see if pthread_join exists in -lpthread (as opposed to
. Thus, the DEC Threads check would work, execpt it also tries linking with

If I could wrap my brain about the cruft which is autoconf, I may be able to
some patches, but I figured this would serve as a heads-up for those people who
actually know this stuff.