Hi Josh, thanks for the reply.
On Sat, Oct 02, 2021 at 12:55:04PM +1000, Joshua Root wrote: > On 2021-10-2 01:39 , Sergey A. Osokin wrote: > > Hi, > > > > could you guide me how to get a compiler's version. > > > > I know it's possible to use configure.cc and configure.compiler > > variables (their default values are /usr/bin/clang and clang), > > but is there a variable with the clang version? > > There's no variable because getting that information requires running > the compiler. That's also not something you want to be doing every time > your Portfile is parsed, if you can help it. > > So let's take a step back and ask: what are you trying to do? If your > port needs a compiler with support for a particular language standard > for example, there are options you can set to request that. I've found that www/unit builds, primarily unit-perl* and unit-ruby modules, fail when it runs with clang13. And that's because of the -Wcompound-token-split-by-macro warning, enable by default for clang13. Here's the similar issue and bug report, https://bugs.ruby-lang.org/issues/17865 From the other side, all 12 builds are successful with clang12. Please note, that's not an issue with NGINX Unit itself, that's the issues when clang13 builds unit-perl* and unit-ruby* modules, and there's no issue with unit-python* modules. So, the forehead solution is probably disable -Werror warning for perl and ruby modules with a reinplace, but I see no reason to do that for all 12 ports, that's why I'm looking for details how to enable -Wno-compound-token-split-by-macro for a specific compiler version. -- Sergey Osokin
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