On Feb 7, 2009, at 13:02, Michael J. I. Jackson wrote:
On Feb 6, 2009, at 11:44 PM, Ryan Schmidt wrote:
On Feb 6, 2009, at 22:44, Michael J. I. Jackson wrote:
Is it possible to install the mysql5 and mysql5-devel ports
concurrently on the same box? I had 5.0 installed, but then
decided I'd like to try 5.1. So I deactivated the mysql port and
installed mysql-devel. However, it appears that the install
location for 5.1 is exactly the same as 5 so the two cannot
coexist on the same machine.
If someone would please confirm this, that would be great. If you
could tell me how to confirm it for myself so I don't have to
bother you next time, that would be even better. ;)
You can have both mysql5 and mysql5-devel installed at the same
time, but not active at the same time. The same goes for any other
foo/foo-devel port combination.
If you have mysql5 installed and would like to try mysql5-devel
instead, you would need to
sudo port deactivate mysql5
sudo port install mysql5-devel +server
In this particular case (mysql5 5.0.x and mysql5-devel 5.1.x) you
would also need to rebuild any programs (such as php5) that use
the mysql library, because the version number of the library has
changed. Otherwise you will find that php will complain about not
being able to find the (old) mysql5 library. To rebuild php5:
sudo port -nf upgrade php5
Some ports may not know about mysql5-devel and still try to depend
exclusively on mysql5. For example, if you've installed mysql5-
devel as above, and then try to install a port that requires
mysql5, you'll get an error as it tries to activate mysql5 but
can't because mysql5-devel is already active. Usually this is a
bug, which should be filed against that port so that the
dependency can be rewritten so that either mysql5 or mysql5-devel
can be used.
Is this the case for rb-mysql?
I have both mysql5 and mysql5-devel installed as you stated above,
with mysql5-devel active and mysql5 deactivated. When I try and
install rb-mysql, it immediately fetches mysql5 and starts
rebuilding it (even though it's already installed, just inactive).
Looking at the Portfile (http://trac.macports.org/browser/trunk/
dports/ruby/rb-mysql/Portfile) the only relevant line I can see is
the following:
depends_lib port:mysql5
So I guess there are three questions here: 1) Why would rb-mysql
start rebuilding mysql5 if it's already been installed?
Because it is not active.
2) Should a bug be filed against rb-mysql to modify it so it can
use mysql5-devel as well?
Yes. "port:mysql5" should be changed to "path:bin/mysql_config5:mysql5".
3) What can I do in the mean time to get rb-mysql working with
mysql5-devel?
Make the above change to the portfile locally. To find out where the
file is, run "port file rb-mysql". Note that your change will be
wiped out next time you "port sync".
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