audacious-plugins @4.4.2: error: constexpr function never produces a constant expression [-Winvalid-constexpr]

[punkcakez13 (Camilla)]

Hello, I'm trying to install audacious on MacOS 10.15.7, when building audacious-plugins i get this error:

--->  Building audacious-plugins
Error: Failed to build audacious-plugins: command execution failed
Error: See /opt/local/var/macports/logs/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_audio_audacious-plugins/audacious-plugins/main.log for details.
Error: Follow https://guide.macports.org/#project.tickets if you believe there
is a bug.
Error: Processing of port audacious failed

The log file is attached

[punkcakez13 (Camilla)]

log file

[ryandesign (Ryan Carsten Schmidt)]

The log says the problem is:

In file included from ../audacious-plugins-4.4.2/src/background_music/background_music.cc:19:
In file included from ../audacious-plugins-4.4.2/src/background_music/FrameBasedEffectPlugin.h:21:
In file included from ../audacious-plugins-4.4.2/src/background_music/LoudnessFrameProcessor.h:22:
../audacious-plugins-4.4.2/src/background_music/Loudness.h:46:28: error: constexpr function never produces a constant expression [-Winvalid-constexpr]
    static constexpr float get_weight(const float seconds)
                           ^
../audacious-plugins-4.4.2/src/background_music/Loudness.h:51:16: note: non-constexpr function 'powf' cannot be used in a constant expression
        return powf(relative, perception_weight_power);
               ^
/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk/usr/include/math.h:428:14: note: declared here
extern float powf(float, float);
             ^
1 error generated.

It probably needs to be ​reported to the developers so they can fix it.

[punkcakez13 (Camilla)]

I reported the issue to the developers who looks like they fixed it (at least it worked by building from source). I assume the fix will be in the next stable release. Thanks to everyone