[Webkit-unassigned] [Bug 279971] REGRESSION(278463 at main): Build fails with uClibc on Source/WTF/wtf/simde/arm/neon.h due to missing fenv.h features

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=279971

--- Comment #4 from Michael Catanzaro <mcatanzaro at redhat.com> ---
(In reply to Adrian Perez from comment #2)
> I think we may be able to have add a check in CMake that tries to link
> a test program that uses the fegetround() function, and if not really
> available then let simde use fallback code.

This isn't what the simde developers are going to want to see. They want to do all feature checks in the source code itself using preprocessor conditions. You are instead going to want to hardcode a test for preprocessor definitions that indicate C library, C library version if needed, and architecture.

The existing code is a mess of such tests already.

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