make delete-old-libs is your friend

[George Mitchell]

On 4/14/19 9:07 PM, Adam Weinberger wrote:
> On Sun, Apr 14, 2019 at 6:26 PM George Mitchell <george+freebsd at m5p.com> wrote:
>>
>> But I forgot that, and ended up with both /lib/libreadline.so.8
>> AND /usr/local/lib/libreadline.so.8 on my machine, leading to woe
>> when compiling the latest lang/python36.  Unfortunately, the base
>> version readline was quite a bit older than the one from ports.
>>
>> Nevertheless, the ports version is explicitly linked as
>> libreadline.so.8, the same as the old base version, so python36
>> tried linking to the base version and failed because it did not
>> contain the new(ish) function rl_callback_sigcleanup.
>>
>> There's no question I shot myself in the foot by not deleting
>> the old libraries (an omission I have now remedied after a fair
>> amount of thrashing around to see what was wrong), but it might
>> have made my life a little easier if the port devel/readline
>> linked itself as libreadline.so.9 instead of 8.  Is there a
>> recommended practice (or should there be one) to change the .so
>> version when simultaneously moving a base library to ports and a
>> new version?                                           -- George
> 
> libreadline.so is at version 8 because the current readline is 8.0.
> libreadline.so.9 won't come until readline-9.0 is released. We really
> can't deviate from that, because it'd still be v8 software; it'd be
> like AT&T's ridiculous claim that they invented 5G by discovering the
> number 5.
> 
> # Adam
> 
> 
You leave me no choice but to rail at whoever allowed "v4" readline
to be installed as /lib/libreadline.so.8 back when it was in base.
(I'd rather rail at that person than have to face my own omission.)
-- George

-------------- next part --------------
A non-text attachment was scrubbed...
Name: signature.asc
Type: application/pgp-signature
Size: 833 bytes
Desc: OpenPGP digital signature
URL: <http://lists.freebsd.org/pipermail/freebsd-ports/attachments/20190414/37b7584c/attachment.sig>