Re: A portupgrade question

Ian Moore wrote:
Hi, I've got a question about portupgrade and something that's happened with
it a couple of times now. The last 2 times libgda has been upgraded, I've run
portupgrade -a to upgrade a bunch of ports, including libgda.

The libgda upgrade has caused a re-install of mysql-client-4, but when
portupgrade has tried to install mysql-client, it's failed because
mysql-client is already installed.

The workaround for this is simple enough, delete mysql-client and then run
portupgrade again, but I'm wondering why this situation occurs - portupgrade
should see that mysql-client is already installed and not try to install it
again (or if it needs upgrading, it should deinstall the old version and
build & install the new version).

/etc/ports/UPDATING doesn't seem to help, there's no mention of either port in
it.

The reason the ports system can't detect that you've already got mysql-client
software installed is because you haven't got libmysqlclient.so in your loader
cache. Try this command -- you should get similar output:

lack-of-gravitas:~:% ldconfig -r | grep mysqlclient
441:-lmysqlclient_r.14 => /usr/local/lib/mysql/libmysqlclient_r.so.14
442:-lmysqlclient.14 => /usr/local/lib/mysql/libmysqlclient.so.14

ldconfig(8) needs to be told to scan /usr/local/lib/mysql for shared libraries,
as that's not one of the default directories. This is generally handled through
the ldconfig_compat port which installs precisely one file:

sisyphus:~:% pkg_info -L ldconfig_compat-1.0_7
Information for ldconfig_compat-1.0_7:

Files:
//etc/rc.d/ldconfig_compat

although you can also add /usr/local/lib/mysql to the set of stuff scanned by
ldconfig by modifying variables in /etc/rc.conf (but that's the old and
unfashionable way of doing this...). Re-installing that port and running

/etc/rc.d/ldconfig_compat start

should sort out the problem you're seeing.

Note that mergemaster(1) will ask you to delete that file because it's in
/etc/rc.d and it's not one of the one installed by the system. You should
resist the suggestion to do that, or put up with various MySQL (and certain
other port) related things not working in the way you might expect.

Note too: this is system version number dependant -- recent 6.1-STABLE or above
will have the ldconfig_compat script installed in /usr/local/etc/rc.d

Cheers,

Matthew

--
Dr Matthew J Seaman MA, D.Phil. Flat 3
7 Priory Courtyard
PGP: http://www.infracaninophile.co.uk/pgpkey Ramsgate
Kent, CT11 9PW, UK

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