[Webkit-unassigned] [Bug 196488] [CMake] Detect SSE2 at compile time

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=196488

--- Comment #12 from Xan Lopez <xan.lopez at gmail.com> ---
(In reply to Konstantin Tokarev from comment #11)
> Comment on attachment 366492 [details]
> Detect SSE2 with CMake
> 
> View in context:
> https://bugs.webkit.org/attachment.cgi?id=366492&action=review
> 
> > CMakeLists.txt:123
> > +        message(FATAL_ERROR "SSE2 support is required to compile WebKit")
> 
> This is wrong, we should switch to CLoop if SSE2 is not supported, otherwise
> add -msse2 to cflags

The flags are added in webkitdirs.pm. We are effectively requriring SSE2 to run WebKit now (see bug #194853 and the thread in webkit-dev linked from there). I think Michael's build error comes from the fact that distros do not use webkitdirs.pm, so they should be adding the SSE2 flags in their non x86-64 builds? Unless we want to do this ourselves somewhere else?

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