Make --with-ldap build on Unixware, per Olivier Prenant.

configure

@@ -17185,7 +17185,7 @@ if test "${ac_cv_lib_ldap_ldap_bind+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
   ac_check_lib_save_LIBS=$LIBS
-LIBS="-lldap  $LIBS"
+LIBS="-lldap $EXTRA_LDAP_LIBS $LIBS"
 cat >conftest.$ac_ext <<_ACEOF
 /* confdefs.h.  */
 _ACEOF
@@ -17256,7 +17256,7 @@ echo "$as_me: error: library 'ldap' is required for LDAP" >&2;}
    { (exit 1); exit 1; }; }
 fi
 
-    LDAP_LIBS_BE="-lldap"
+    LDAP_LIBS_BE="-lldap $EXTRA_LDAP_LIBS"
     if test "$enable_thread_safety" = yes; then
       # on some platforms ldap_r fails to link without PTHREAD_LIBS
 
@@ -17266,7 +17266,7 @@ if test "${ac_cv_lib_ldap_r_ldap_simple_bind+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
   ac_check_lib_save_LIBS=$LIBS
-LIBS="-lldap_r $PTHREAD_LIBS $LIBS"
+LIBS="-lldap_r $PTHREAD_LIBS $EXTRA_LDAP_LIBS $LIBS"
 cat >conftest.$ac_ext <<_ACEOF
 /* confdefs.h.  */
 _ACEOF
@@ -17337,9 +17337,9 @@ echo "$as_me: error: library 'ldap_r' is required for LDAP" >&2;}
    { (exit 1); exit 1; }; }
 fi
 
-      LDAP_LIBS_FE="-lldap_r"
+      LDAP_LIBS_FE="-lldap_r $EXTRA_LDAP_LIBS"
     else
-      LDAP_LIBS_FE="-lldap"
+      LDAP_LIBS_FE="-lldap $EXTRA_LDAP_LIBS"
     fi
   else
 

configure.in

 dnl Process this file with autoconf to produce a configure script.
-dnl $PostgreSQL: pgsql/configure.in,v 1.491 2006/12/02 16:43:12 tgl Exp $
+dnl $PostgreSQL: pgsql/configure.in,v 1.492 2006/12/14 21:49:54 tgl Exp $
 dnl
 dnl Developers, please strive to achieve this order:
 dnl
@@ -1122,16 +1122,18 @@ AC_SUBST(PTHREAD_LIBS)
 if test "$with_ldap" = yes ; then
   _LIBS="$LIBS"
   if test "$PORTNAME" != "win32"; then
-    AC_CHECK_LIB(ldap, ldap_bind, [], [AC_MSG_ERROR([library 'ldap' is required for LDAP])])
-    LDAP_LIBS_BE="-lldap"
+    AC_CHECK_LIB(ldap, ldap_bind, [],
+		 [AC_MSG_ERROR([library 'ldap' is required for LDAP])],
+		 [$EXTRA_LDAP_LIBS])
+    LDAP_LIBS_BE="-lldap $EXTRA_LDAP_LIBS"
     if test "$enable_thread_safety" = yes; then
       # on some platforms ldap_r fails to link without PTHREAD_LIBS
       AC_CHECK_LIB(ldap_r, ldap_simple_bind, [],
 		   [AC_MSG_ERROR([library 'ldap_r' is required for LDAP])],
-		   [$PTHREAD_LIBS])
-      LDAP_LIBS_FE="-lldap_r"
+		   [$PTHREAD_LIBS $EXTRA_LDAP_LIBS])
+      LDAP_LIBS_FE="-lldap_r $EXTRA_LDAP_LIBS"
     else
-      LDAP_LIBS_FE="-lldap"
+      LDAP_LIBS_FE="-lldap $EXTRA_LDAP_LIBS"
     fi
   else
     AC_CHECK_LIB(wldap32, ldap_bind, [], [AC_MSG_ERROR([library 'wldap32' is required for LDAP])])

src/template/unixware

@@ -32,3 +32,6 @@ __EOF__
 # per report from Olivier PRENANT <ohp@pyrenet.fr>
 
 fi
+
+# Unixware's ldap library reportedly needs these too
+EXTRA_LDAP_LIBS="-llber -lresolv"