Gentoo Archives: gentoo-dev

From: Jeroen Roovers <jer@g.o>
To: gentoo-dev@l.g.o
Subject: Re: [gentoo-dev] New global use flags: 3dnowext, mmxext, ssse3, sse4_1, avx, avx2
Date: Wed, 18 Dec 2013 17:48:38
Message-Id: 20131218184827.792e2754@marga.jer-c2.orkz.net
In Reply to: Re: [gentoo-dev] New global use flags: 3dnowext, mmxext, ssse3, sse4_1, avx, avx2 by "Rick \\\"Zero_Chaos\\\" Farina"
1 On Mon, 16 Dec 2013 18:07:42 -0500
2 "Rick \"Zero_Chaos\" Farina" <zerochaos@g.o> wrote:
3
4 > 3.) Broken build systems. Forgive me for the term, but packages like
5 > libpng seem to require arcane configure flags like
6 > "--enable-arm-neon=$(usex neon on off)" to enable my neon fpu despite
7 > passing -mfpu=neon. Retarded? Probably. Fact? Definitely.
8
9 Doesn't look broken or retarded to me. Read the arm/filter_neon.S and
10 arm/filter_neon_intrinsics.c comments for pretty good reasons why it's
11 done this way. Also, patches are welcome.
12
13
14 jer