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Written by Hallvard B. Furuseth and placed into the public domain.
This software is not subject to any license of the University of Oslo.
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A surrogate parent is supposed to keep back-shell children from
deadlocking due to resources locked by a threading parent.

Implementation note: The surrogate parent closes all unused file
descriptors, so it logs errors to stderr instead of via Debug() and
uses relloc() instead of ch_realloc().

Also close a file descriptor leak if fork() fails in fork.c.

Hallvard B. Furuseth <h.b.furuseth@usit.uio.no>, May 2002.

(Cyrus SASL 2 library may not be called -lsasl2).

ldbm api/types

ITS#1677 - cast away const warnings
ITS#1678 - unsigned char args to ctype funcs
ITS#1682 - don't redefine ldap_debug
ITS#1683 - uninitialized vars
ITS#1703 - ldo_debug initialization
ITS#1705 - unsigned testing
ITS#1706 - socklen_t args
ITS#1719 - back-tcl update (other cleanups/fixes/improvements; yet untested)
ITS#1724 - integerNormalize/integerFilter/integerIndexer bugs
ITS#1725 - libdes not required

Implement back-null (/dev/null style backend)
Cleanup some misc warnings ("%lu" format, unused/uninitialized vars,
        ambiguous operator precedence)

Kurt, please regenerate configure

Allow both <sasl/sasl.h> and <sasl.h>

of version and then try -lsasl2 and -lsasl.  Make SASL code
conditional on SASL_VERSION_MAJOR, not HAVE_CYRUS_SASL.

newer versions of HP-UX.  However, as the test causes
no problems on any system, it's left in place (as someone
might actually be using an older version of HP-UX).

by Albert Chin-A-Young <china@thewrittenword.com> in ITS#1544.

HAVE_MKTEMP macro in addition to HAVE_MKSTEMP

backend build rules.