On Fri, Feb 01, 2019 at 06:11:16PM -0600, Ryan Schmidt wrote:


On Feb 1, 2019, at 15:30, Michael Dickens wrote:

OK yes we -offer- multiple versions, but only one version can be installed at a 
time right now.

No, if you install boost without the no_single variant, you will get both the 
single-threaded and the multithreaded versions. If you install without the 
no_static variant, you will get both the static and the dynamic libraries. So 
if you install without both variants, you'll get all four.


I firmly believe that the vast vast majority of folks pick their Boost variant 
and stick with it through the lifetime of that Boost version if not the whole 
MacPorts install. The number of folks who actively switch between Boost 
variants is IMHO very very small.

Oh I'm sure most users install the port with the default variants, which is to 
say that they only have the dynamic multithreaded version. If we're sure nobody 
needs the other versions we can do what you suggest. But I'm not sure of that; 
I have no data. And what you're proposing to do involves work, including 
removing the suffix from all the ports that are hardcoding it.

There are guides on GitHub asking the user to install boost with
-no_static. Search results here: 
https://github.com/search?q=port+install+boost+-no_static&type=Code

For example:

https://github.com/VowpalWabbit/vowpal_wabbit#manual-install-of-vowpal-wabbit
https://github.com/rime/squirrel/blob/master/INSTALL.md

and https://github.com/kbase/data_api:

E.g. the boost library needs to be installed as -no_static, because the
default +no_static install conflicts with thrift and possibly other
packages.

--
Zero

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