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From: Jonathan Wakely <jwakely.gcc@gmail.com>
Date: Fri, 11 Sep 2020 18:24:09 +0100
Message-ID: <CAH6eHdS2uvZ9kq_RaJV-R+MYazBWOBBSEcnKt7FPYG4QrgNCcQ@mail.gmail.com>
Subject: Re: Help troubleshooting why new tests aren't being picked up
To: Josh Marshall <joshua.r.marshall.1991@gmail.com>
Cc: gcc-help <gcc-help@gcc.gnu.org>
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On Fri, 11 Sep 2020 at 17:42, Josh Marshall
<joshua.r.marshall.1991@gmail.com> wrote:
>
> With that done and the dg standard set to c++20, the tests are picked up =
but not run with the reason being 'UNSUPPORTED'.  I'm using the string `// =
{ dg-do compile { target c++20 } }` to tell Dejagnu to test these with c++2=
0.  I can't seem to get the tests to actually do this.  When invoking tests=
 with `make 'RUNTESTFLAGS=3D-std=3Dc++20' check-target-libstdc++-v3` I get =
the following which tells me that c++20 isn't actually run.

That should be RUNTESTFLAGS=3D--target_board=3Dunix/-std=3Dc++20

>  How do I make these tests run as needed?

Using dg-options as described at
https://gcc.gnu.org/onlinedocs/libstdc++/manual/test.html#test.new_tests