Re: [Boost-build] EXE linking with DLLs

Subject: Re: [Boost-build] EXE linking with DLLs
From: Nogradi, Chris (Chris.Nogradi_at_[hidden])
Date: 2011-11-30 16:24:03

Thanks Matt!

I did not have opportunity to try your suggestion out yet since it would require me to re-architect many jam files.  What I ended up doing is to modify targets.jam line 1421 like so:

        # TODO - Actually there are more possible candidates like for instance
        # when listing static library X as a source for another static library.
        # Then static library X will be added as a <source> property to the
        # second library's usage requirements but those requirements should last
        # only up to the first executable or shared library that actually links
        # to it.
        local raw = [ $(subvariant).sources-usage-requirements ] ;
        raw = [ $(raw).raw ] ;
        raw = [ property.change $(raw) : <pch-header> ] ;
        raw = [ property.change $(raw) : <pch-file> ] ;

          # remove libraries from shared link targets
        if [ $(rproperties).get <link> ] = shared
        {
            raw = [ property.change $(raw) : <library> ] ;
        }
        return [ $(result).add [ property-set.create $(raw) ] ] ;

which seems to do what I want but is probably not the right solution for all.  I suppose it would be better to remove <library> for exe and shared link targets but I did not know how to do that. Maybe someone is willing to educate me?

Thanks,

Chris

-----Original Message-----
From: boost-build-bounces_at_[hidden] [mailto:boost-build-bounces_at_[hidden]] On Behalf Of Matthew Chambers
Sent: Wednesday, November 23, 2011 4:22 PM
To: boost-build_at_[hidden]
Subject: Re: [Boost-build] EXE linking with DLLs

On 11/23/2011 8:20 AM, Nogradi, Chris wrote:
> Hello,
>
> I am trying to link an EXE against some DLLs (.libs) and when I do so, the exe rules is also trying
> to link against the static libs that the dlls depend on. Here is what I am doing:
>
> lib A : file1.c : <link>static ;
> lib B : file2.c A : <link>static ;
> lib dll : file3.c B : <link>shared ;
>
> exe test : main.c dll ;
>
> when test links, it includes dll.lib (this is good) and A.lib (which is not what I expected??) but
> not B.lib (which is what I expected). What am I doing wrong? I tried to use <library> without
> success. What is the proper way of linking against a dll without inheriting its dependant libs?
>
> I am using the msvc toolset and Boost.Build 2011.04-svn

Try:
lib A : file1.c ;
lib B : file2.c : <library>A/<link>static ;
lib dll : file3.c : <library>B/<link>static ;

exe test : main.c ; <library>dll/<link>shared

-Matt
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