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Date:      Mon, 1 Nov 2021 13:54:18 +0100
From:      Christian Weisgerber <naddy@mips.inka.de>
To:        Alexey Dokuchaev <danfe@freebsd.org>
Cc:        Piotr Kubaj <pkubaj@freebsd.org>, ports-committers@freebsd.org, dev-commits-ports-all@freebsd.org, dev-commits-ports-main@freebsd.org
Subject:   Re: git: c6c6e67d83c2 - main - audio/flac: don't disable VSX on powerpc64le
Message-ID:  <YX/jekyk152JCnsC@lorvorc.mips.inka.de>
In-Reply-To: <YX9ihSk1QxpPn9un@FreeBSD.org>
References:  <202111010243.1A12hxQj066278@gitrepo.freebsd.org> <YX9ihSk1QxpPn9un@FreeBSD.org>

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Alexey Dokuchaev:

> I wonder why SSE was disabled in 101cb31e18d13 during the update to
> version 1.3.2, as it was never explained:
> ...
>  CONFIGURE_ARGS=        --enable-static \
> -               --enable-sse \
> +               --disable-sse \

--enable-sse simply adds "-msse2" to the compiler flags.

On amd64, this is a nop, since SSE2 is part of the amd64 architecture.
On i386, it generates code that won't run on older CPUs that don't
support SSE2.

-- 
Christian "naddy" Weisgerber                          naddy@mips.inka.de



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