Subject: Re: [boost] [Boost-commit] svn:boost r75690 - trunk/tools/build/v2/tools
From: Steven Watanabe (watanabesj_at_[hidden])
Date: 2011-11-27 09:49:35
On 11/27/2011 04:50 AM, bdawes_at_[hidden] wrote:
> Author: bemandawes
> Date: 2011-11-27 07:50:00 EST (Sun, 27 Nov 2011)
> New Revision: 75690
> URL: http://svn.boost.org/trac/boost/changeset/75690
> Change deprecated /Op option to its replacement, /fp:precise. This quiets a warning from the Intel compiler, which uses the msvc toolset.
Did you miss my reply on boost-build?
Please revert this. It's wrong.
> On 11/26/2011 06:03 AM, Beman Dawes wrote:
>> > The patch below clears a warning from Intel 12.1, and works fine for
>> > MSVC 8, 9, and 10.
>> > Unless someone objects, I'll apply it tomorrow. I'm posting advance
>> > notice in case any of the math folks want to give it a try beforehand.
> I object. This branch is for msvc 6 and 7, which
> only have /Op. /fp:precise is for msvc 8 and
> up. The real problem is that intel-win is assuming
> vc7.1 compatibility.
> Text files modified:
> trunk/tools/build/v2/tools/msvc.jam | 2 +-
> 1 files changed, 1 insertions(+), 1 deletions(-)
> Modified: trunk/tools/build/v2/tools/msvc.jam
> --- trunk/tools/build/v2/tools/msvc.jam (original)
> +++ trunk/tools/build/v2/tools/msvc.jam 2011-11-27 07:50:00 EST (Sun, 27 Nov 2011)
> @@ -240,7 +240,7 @@
> # Improve floating-point accuracy. Otherwise, some of C++ Boost's "math"
> # tests will fail.
> - toolset.flags $(toolset).compile CFLAGS $(conditions) : /Op ;
> + toolset.flags $(toolset).compile CFLAGS $(conditions) : /fp:precise ;
> # 7.1 and below have single-threaded static RTL.
> toolset.flags $(toolset).compile CFLAGS $(conditions)/<runtime-debugging>off/<runtime-link>static/<threading>single : /ML ;
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