Date: Wed, 08 Jul 2015 16:09:06 -0500 From: Pedro Giffuni <pfg@FreeBSD.org> To: Luigi Rizzo <luigi@FreeBSD.org>, src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: Re: svn commit: r285284 - head/lib/liblzma Message-ID: <559D9172.9040305@FreeBSD.org> In-Reply-To: <201507081836.t68IacJu069563@repo.freebsd.org> References: <201507081836.t68IacJu069563@repo.freebsd.org>
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On 07/08/15 13:36, Luigi Rizzo wrote: > Author: luigi > Date: Wed Jul 8 18:36:37 2015 > New Revision: 285284 > URL: https://svnweb.freebsd.org/changeset/base/285284 > > Log: > only enable immintrin when clang is used. The base gcc does not support it. > > Reviewed by: delphij > > Modified: > head/lib/liblzma/config.h > > Modified: head/lib/liblzma/config.h > ============================================================================== > --- head/lib/liblzma/config.h Wed Jul 8 18:12:24 2015 (r285283) > +++ head/lib/liblzma/config.h Wed Jul 8 18:36:37 2015 (r285284) > @@ -150,7 +150,8 @@ > #define HAVE_ICONV 1 > > /* Define to 1 if you have the <immintrin.h> header file. */ > -#if defined(__FreeBSD__) && defined(__amd64__) > +/* FreeBSD - only with clang because the base gcc does not support it */ > +#if defined(__clang__) && defined(__FreeBSD__) && defined(__amd64__) > #define HAVE_IMMINTRIN_H 1 > #endif > > FWIW, gcc 4.3+ does have it so this may some undesired (but hidden) effect when building with an external gcc. Pedro.
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