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(ITS#4170) 64 bit OpenLDAP server doesnot connects with client tools

Full_Name: Shaick Mohamed
Version: 2.2.X and 2.3.X
URL: ftp://ftp.openldap.org/incoming/
Submission from: (NULL) (

Hello developers,

we had an issue with OpenLDAP 64 bit build. This issue exists in all the
versions we tried so for( 2.1.X, 2.2.X, 2.3.X ). Details are given below,

Issue : 64 bit slapd unable to connect with client tools (ldapsearch,etc)

Cause : OpenLDAP code is written for XOPEN standard, but in HPUX default build
is in BSD socket style. This incompatibility causes the issue.
Ref : man accept in HPUX
Ref : 3rd argument for accept call is declared as socklen_t in
servers/slapd/daemon.c at line number 1218

Note : In 32 bit build we don't have issue since size_t is equal to int.
Solution : 
We can add following lines in the configure script,
  1662  case $host_os in
  1663  hpux11*)
  1665  LIBS="$LIBS -lxnet"
  1666  esac

Ref : man xopen_networking
Ref : same fix is made in postgresql to work on HPUX

This fix works for us.

Reproducing steps :
OS = HPUX ; Model =9000/800/rp3440 and ia64 hp server rx2600
export CC="/usr/local/pa64/bin/gcc"
gmake depend
gmake test [ Without the above fix test will fail ]

Let me know if something is not clear.