Hi Mentors,
I have a question regarding a gcc option which was reported as
problematic for other architectures than x86 in #776812:
On Sun, Feb 01, 2015 at 10:48:52PM -0500, Aaron M. Ucko wrote:
> Source: vsearch
> Version: 1.0.7+dfsg-1
> Severity: important
> Justification: fails to build from source
>
> Builds of vsearch on non-x86 architectures have been failing due to its
> use of the x86-specific compilation flags -msse2 and -mtune=core2.
> ...
> -mtune=core2 is okay on x86, but problematic elsewhere.
>
> As such, could you please rescind the use of -msse2 altogether, and
> either do the same for -mtune=core2 or at minimum use it only on x86?
I have understood that -msse2 should not be used but I wonder what might
be the side effect if I would leave out -mtune=core2 as well. It is
very important to build vsearch with the maximum optimisation for speed
and thus I wonder whether dropping this option is a good idea or whether
I should enable it on i386 and amd64 (the question extends also to
freebsd-i386/freebsd-amd64 once an other issue in freebsd with this
package is solved).
Kind regards
Andreas.
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