Re: [Boost-build] Very slow Visual Studio 2012 builds

Subject: Re: [Boost-build] Very slow Visual Studio 2012 builds
From: Juraj Ivanèiæ (juraj.ivancic_at_[hidden])
Date: 2013-11-04 15:05:48

On 30.9.2013. 2:03, Steven Watanabe wrote:

> On 09/27/2013 07:30 AM, Nogradi, Chris wrote:
>> We have been investigating switching from using Visual Studio
>> 2005 to Visual Studio 2012 for our development using boost.build.
>> The issue we are seeing is that a build that normally takes 2
>> minutes with VS 2005, now takes twice as long with VS 2012.  I
>> did some investigation and discovered that the issue is with bb2's
>> per compiler/linker action usage of vcvarsall.bat.  In VS 2005,
>> this batch file only sets up variables and paths.  In VS 2012,
>> the same thing is done but there are windows registry queries
>> that apparently are very time consuming and result in adding 2
>> additional minutes to the overall build.  I plan to attempt to
>> address this problem but wanted some advice from experts to ensure
>> that I approach it the right way.  Here are the solutions I have
>> thought of so far:

I ran into this today too. This behavior started with Visual Studio 
2010. Attached is my patch for msvc.jam based on Stevens suggestion. I 
successfully built boost 1.54 (--build-type=complete) without errors 
using toolsets msvc 9.0, 10.0 and 11.0. I'd be grateful if someone could 
review and/or apply it.