[Bug 227977] audio/plasma5-plasma-pa org.kde.plasma.volume.appdata.xml absent f16c detect failure

bugzilla-noreply at freebsd.org bugzilla-noreply at freebsd.org
Wed May 9 14:03:17 UTC 2018


https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=227977

--- Comment #21 from mikhail.rokhin at gmail.com ---
(In reply to Adriaan de Groot from comment #20)
What do you think about some intelligence in Qt5 - it can detect not only CPU ,
but really accessible flags/features , so in the case such auto-config would
fallback to automatically , for e.g. , CPUTYPE=SandyBridge or even earlier ?

In make.conf CPUTYPE?=IvyBridge is set the way with quest. sign on purpose to
let local ports define CPUTYPE they really need.

Again, compilers by default see absence of f16c and other features

(Clang 6.0.0) 
cc -march=ivybridge -E -v -

-target-feature -f16c (disabled)

(GCC 6.4.0)
gcc6 -march=ivybridge -E -v -

-mno-f16c

So, compilers have such intelligence, but Qt5 itself.

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