Re: [boost] [testing] Lots of spurious test runners

Subject: Re: [boost] [testing] Lots of spurious test runners
From: Tom Kent (lists_at_[hidden])
Date: 2018-10-28 13:04:09

On Sat, Oct 27, 2018 at 12:14 PM John Maddock via Boost <
boost_at_[hidden]> wrote:

> There are rather a lot of test runners that fail all tests due to setup
> errors:
>
> teeks99-02-dc3.1-11-Docker-64on64
> /usr/bin/../lib/gcc/x86_64-linux-gnu/4.8/../../../../include/c++/4.8/functional:2194:2:
>
> error: no type named 'type' in 'std::enable_if<false, void>'  (and more
> errors from <functional> - the compiler appears to be unable to handle
> the std lib headers so I'm not sure what the point of testing it is?)
>
>
This strikes me as odd. The teeks99-02-dc3.0-11-Docker-64on64 is an *older*
version of clang, on the same version of ubuntu, but doesn't have this
issue. Is it possible this is an issue with boost's detecting of
compiler/stdlib capabilities that isn't working correctly here? If anyone
wants to play with this, the images on docker hub
teeks99/boost-cpp-docker:clang-3.0 and clang-3.1 (and clang-3.2 which is
again happy) can be used to figure out what is happening. All three use the
same ubuntu install (trusty), have identical Dockerfiles (except the clang
version), and use nearly identical lines in their user-config.jam files.
using clang : 3.1~c++11 : clang++-3.1 : <cxxflags>"-Wno-c99-extensions
-std=c++11" ;

Tom