[Bug 228007] math/lapack: switch to flang

[bugzilla-noreply at freebsd.org]

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=228007

sgk at troutmask.apl.washington.edu changed:

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--- Comment #4 from sgk at troutmask.apl.washington.edu ---
(In reply to robert.ayrapetyan from comment #3)

> hm, thanks, I've missed that somehow... I've just commited a patch
> for it (see >https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=222254#c12).
> gfortran's FreeBSD issue is really annoying and affects virtually all
> scientific packages (e.g. Python's Keras, or recently added math/mlpack).
> With FreeBSD's movement from gcc to clang, flang is the only right choice
> in a long-term perspective. To avoid even more issues and incompatibilities
> in the future I'm encouraging FreeBSD's ports maintainers to make this
> switch ASAP.

As a long time user of FreeBSD (since it was called 386BSD+patchkit)
and a long time contributor to both FreeBSD and gfortran, can you
elaborate on gfortran's FreeBSD issue.

Switching to Flang without actually testing its performance, conformance
to standards, and quality is somewhat a questionable move.  Last time
I tried compiling gfortran's testsuite with Flang, it found somewhere
around 100 internal compiler errors.

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