Disruption of master from dports/packages coming in a few days

John Marino dragonflybsd at marino.st
Wed Apr 22 12:52:19 PDT 2015

On 4/15/2015 10:30, John Marino wrote:
> The follow information only applies to people using the development
> branch of DragonFly (aka master).  You can stop reading if you are using
> an official release.
> We've been tracking gcc5 for a couple of months and it is working very
> well.  The muscles dports generator has been using gcc5 on top of a
> gcc47-built world to generate all the packages, over 22,000
> successfully.  There are a few ports, ~50 that aren't building yet,
> mostly due to c++ incompatibility issues, but we can always require
> gcc47 for those.  In short, dports is ready to be built by gcc5.
> The GCC project plans to release gcc (as version 5.1) on 22 April.  I
> plan to switch base compilers on Master for DragonFly at that time.
> Several people have been running with gcc50-built worlds without problems.
> After the switch, all existing package for Master will be obsolete.  I
> will move these from
> http://mirror-master.dragonflybsd.org/dports/dragonfly:4.2:x86:64/LATEST
> to
> http://mirror-master.dragonflybsd.org/dports/dragonfly:4.2:x86:64/GCC47
> Anybody that isn't ready to replace all their packages at the time of
> this change will have to manually adjust /usr/local/etc/pkgs/repos/ conf
> file to point to the temporary GCC47 repository (which will be removed
> at 4.2 release).
> For a bullet-proof method of replacing all the packages with the new
> versions, please refer to new entry in handbook:
> http://www.dragonflybsd.org/docs/howtos/HowToDPorts/#index4h1
> New gcc5-built packages for gcc5-built worlds will be placed in LATEST
> at the same time.
> Concurrently, the dports source tree will be updated with changes that
> cause gcc50 to start building all the ports.  Anybody that is building
> from source will need to remove all packages and rebuild them with the
> latest source tree.  If that doesn't sound appealing then just update
> the ports tree right now and don't update it anymore.  It will continue
> to use gcc47 to build in that case (I think).
> FYI the main problem is due to ABI changes in c++.  We can build with
> gcc5 on a gcc47-built world thanks to a magic cxxflag, but we can't do
> the opposite with c++.
> Anyway, this is just a heads up.  I'll send another message when the
> change actually happens (about a week from now).  The change to dports
> source might precede it though.
> John
> P.S. As a bonus, pkg 1.50 is coming with the new dports tree.  It's
> supposed to be a nice improvement over 1.4.12 from what I hear.

The DragonFly master branch has been switched to the release version of
GCC 5.1 just now.  There is a new set of gcc5-built packages at
The previous packages are located at
As previously mentioned, the dports source tree is already using GCC5 to
build ports.

Please review the text above if you are running on master.


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