Update hints.

doc/install/hints/FreeBSD

@@ -4,14 +4,16 @@ Lastest FreeBSD hints are available at:
 	http://www.openldap.org/faq/index.cgi?file=15
 
 The following FreeBSD ports and packages may be useful:
-	databases/db		Berkeley DB 2.3.16
-	databases/gdbm		GNU Database Manager
-	devel/autoconf		GNU Autoconf
-	devel/libtool		GNU Autoconf
-	devel/gdb		GNU Debugger
-	lang/egcs		EGCS enhanced GNU C Suite
+	databases/gdbm			GNU Database Manager
 	security/tcp_wrappers	TCP Wrappers
 
+The current Berkeley DB port (database/db) is broken.
+Download BerkeleyDB from sleepycat instead:
+	http://www.sleepycat.com/
+
+FreeBSD 4.0
+	no special options
+
 FreeBSD 3.0
 	no special options
 

doc/install/hints/Linux

@@ -6,3 +6,7 @@ If Berkeley DB 2.x should be used with thread support activated, read the
 file build/db.2.x.README carefully. The Berkeley package must be build
 appropriately to support threaded applications as expected.
 
+Some distributions of Linux now ship with BerkeleyDB 2.4.16.
+We recommend upgrading to Berkeley DB 2.7.5 available from.
+Sleepycat (http://www.sleepycat.com/).
+

doc/install/hints/Solaris

@@ -6,5 +6,6 @@ Sun Solaris Hints
 Latest Solaris hints are available at:
   http://www.openldap.org/faq/index.cgi?file=10
 
-Solaris NDBM and OpenLDAP appears to be incompatible.  Use
-Berkeley DB2 or GDBM.
+Solaris NDBM and OpenLDAP appears to be incompatible.
+Use Berkeley DB2 or GDBM.
+

doc/install/hints/SunOS

@@ -4,3 +4,6 @@ Sun SunOS Hints
 ** SunOS 5.X is covered in the Solaris hints file.  **
 
 http://www.openldap.org/faq/index.cgi?file=13
+
+You will likely need to install a POSIX regex library.
+