Re: [boost] [1.48.0] Beta 1 release candidates available

Subject: Re: [boost] [1.48.0] Beta 1 release candidates available
From: Olaf van der Spek (ml_at_[hidden])
Date: 2011-10-26 14:05:52

On Wed, Oct 26, 2011 at 7:57 PM, Lars Viklund <zao_at_[hidden]> wrote:
> On Wed, Oct 26, 2011 at 07:26:27PM +0200, Olaf van der Spek wrote:
>> In another project:
>> 1>c:\program files (x86)\microsoft visual studio
>> 10.0\vc\include\iterator(530): error C3859: virtual memory range for
>> PCH exceeded; please recompile with a command line option of '-Zm110'
>> or greater
>> 1>c:\program files (x86)\microsoft visual studio
>> 10.0\vc\include\iterator(530): fatal error C1076: compiler limit :
>> internal heap limit reached; use /Zm to specify a higher limit
>> 1>
>
> Is this from building Boost itself? If so, which library?
>
> If it's in your code that uses Boost, it's perfectly natural. When you
> build precompiled header files, there's a nice solid chunk of memory
> allocated for the compiler to stow away intermediary state in, which it
> then serializes to the PCH file, for loading into future compiler
> processes that use the precompiled header to bootstrap themselves.

It's my own project. It's the first time ever I see this warning and
it didn't happen with 1.47.

> The problem is that this memory needs to be allocated up-front. All this
> message means is exactly what it says - the default amount is not
> sufficient and you need to change it in the build settings for the
> source file that builds your PCH, adding /Zm123 to the advanced compiler
> settings field there, or globally for your project.
>
> The reason you get this now and not before is because you've not used
> enough Boost libraries, and that the ones you do use have had their
> compile-time memory usage increased somewhat.

Hmm, right. Maybe it's time for MS to increase the default. :p

-- 
Olaf