Re: [Boost-build] how to add include directories for compile but not for scan

Subject: Re: [Boost-build] how to add include directories for compile but not for scan
From: George Georgiev (george.georgiev.sf_at_[hidden])
Date: 2012-04-20 18:58:58

Precompiled headers feature optimizes the compilation process. I am
looking for feature that optimizes the dependency checking (scanning)
process.

For example instead:
    lib prebuilt_xerces
      :
      :
        xerces/lib/xerces-c_static_3.lib
      :
      :
        <include>xerces/include
        <library>advapi32
        <define>XERCES_STATIC_LIBRARY
      ;

I to be able to do:
...
       <compile-include>xerces/include
...

or something, that will result in all the headers in xerces/include to
be ignored during the dependency scanning process, but xerces/include
still to be added in the list of additinal include directories when
the compiler is executed.

Thanks,
George

On Fri, Apr 20, 2012 at 12:56 PM, Nogradi, Chris
<Chris.Nogradi_at_[hidden]> wrote:
> Take a look at the precompiled headers feature. I have not yet used it but it may be what you are looking for.
>
> Chris
>
> -----Original Message-----
> From: boost-build-bounces_at_[hidden] [mailto:boost-build-bounces_at_[hidden]] On Behalf Of George Georgiev
> Sent: Friday, April 20, 2012 2:28 PM
> To: boost-build_at_[hidden]
> Subject: [Boost-build] how to add include directories for compile but not for scan
>
> Hi,
>
> I am working on project depending on very big number of external
> libraries. I very rarely (never) change the header files for these
> libraries.
>
> Is there a way to specify some of the <include>s to be added to the
> compiler instructions but to be ignored from bjam scan.
>
> Thanks,
> George
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