Log message:
--enable-underscores option had gone.

Log message:
Changes 3.1.5.1:
* SourceFormat Enforcement
* Replace most USE_IPV6 with run-time support probing
* Translations: sync with 3.HEAD language updates
* Split-Stack enable DNS and http(s)_port sockets.
* Bug: --with-valgrind-debug failures ignored
* Fixed comm.cc:377: "fd_table[fd].halfClosedReader != NULL" assertion
* Kludge: try to detect system acinclude path, to fix libtool brokenness.
* Bug: search scope for digest_ldap_auth didn't work
* Update libtool autoconf macros to libtool2 style
* Correction documentation of QoS disable-preserve-miss
* Remove .so from SASL build checks
* Bug: AIX support: c only c++ style comments test case
* Bug: AIX support: check libm for log()
* Do not stop accepting just because we got COMM_NOMESSAGE.
* Bug: AIX support: uchar is already define (more)
* Bug: AIX support: uchar is already define
* Bug: crash handling NULL write callback
* Correct Joomla DB auth handling
* Fixed memory leak related to retried requests.
* Prevent memory leaks when cloning Range requests.
* Fixed memory leaks related to Range requests.

Changes 3.1.5:
* Bug: Fix context leak in HttpStateData::processReplyHeader
* Bug: raw-IPv6 address URL with append_domain broken
* Bug: does not send indirect X-Client-Ip in ICAP respmod
* Fix free memory corruption and off-by-on error when comparing SNMP OIDs
* Restart DNS retransmission count when restarting the query as an A lookup
* Bug: HTTP responses with no Date, L-M or Expires can now be cached
* Maintenance: Formater skip libltdl dirs
* SourceFormat Enforcement
* Bug: Fails to detect chunked encoding if not given in all lower case
* Port from 2.7: max_filedescriptor config option
* persistent_connection_after_error is meant to be on by default
* kFreeBSD does not have linux headers. Wrap properly.
* Maintenance: Use system MD5 instead of hard-coded python paths
* Bug: ICAP tokens not logged when using multiple access
* SourceFormat Enforcement
* OpenBSD: Fix build mem.cc warning: converting of negative value

Log message:
Fix botched Squid version check. The "inet6" option is now only available
for the "squid31" package as intented.

Log message:
Add support for inet6 option on squid 3.1 and above.

Log message:
Specifically disable helpers if the according "SQUID_EXTERNAL_*_HELPERS"
variable is set to the empty string. We will otherwise end up building
all the helpers which is probably not what the user wanted.

This addresses the second halfof PR pkg/43347 by Bernd Ernesti.

Log message:
Don't use the "install-pinger" target to change the permissions of
"libexec/pinger", simply use "SPECIAL_PERMS".

Now all three "squid" packages support user destination dir installation.

Log message:
At least the "squid31" package needs "--disable-snmp" as \ 
SNMP as enabled
by default. Use that configure option if the "snmp" option is disabled.

Log message:
Make MESSAGE_SRC settable by each squid* pacakge.

Log message:
Make it DESTDIR careful.

Log message:
Add mirror on "ftp.nluug.nl" to master site list.