On Tue, 11 Dec 2012, Bryan Drewery wrote:
(As maintainer) I'm proposing to make -w the default for portmaster.
This will preserve old shared libraries when upgrading. This helps 2 things:
1. Prevents a broken system during upgrades
2. Prevents a broken system after upgrading for ports that did not get a
PORTREVISION bump from a shared library update.
You have certainly ran into this problem with large library updates such
as png, pcre, openssl, etc.
Portupgrade has always done this as default, and I have never seen any
problems arise from it. It also cleans up prevents duplicated library
versions. If portmaster is not already doing this, I will ensure it does.
You could then use pkg_libchk to rebuild any lingering ports if you
wanted to ensure your system was using the latest. Then cleanout the
preserved shared library.
Of course there will be a way to stick to the old default of not
preserving the libraries.
Someone may consider this a POLA violation, but I consider that a broken
system from missing libraries and PORTREVISION bumps is more of a POLA
violation.
The -w behavior by default seems reasonable. When implemented, it
should be mentioned in UPDATING. pkg_libchk should also be mentioned as
a way of finding installed applications that are depending on old
libraries in /usr/local/lib/compat/pkg.
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