Re: [Boost-build] Linker error during arm-gcc cross compile

Subject: Re: [Boost-build] Linker error during arm-gcc cross compile
From: Vladimir Prus (ghost_at_[hidden])
Date: 2009-09-30 12:40:12

On Wednesday 30 September 2009 Christian Auby wrote:

> I have figured out why it happens:
> 
> when using toolset=gcc-arm it still tries to link with winsock (ws2_32),
> which the arm-gcc linker can't find. There is no error message displayed
> from ld. Shouldn't boost.build display this? Or maybe all ld is giving
> is the cryptic one.

Christian,

I don't think boost.build intentionally hides any error messages.
Is an error message produced if you run the link command manually?
 
> Anyway: I haven't found a way to only link a library if I'm on a
> particular OS. The current rule is as follows:
> 
> lib winsock
>   :
>   : <name>ws2_32
>   ;
> 
> lib myLib
>   : glob [ source/*.cpp ]
>     winsock
>   : <link>static
>   ;
> 
> Is there some way for myLib to only link with winsock if target-os is
> "windows"?

The following should work:

 lib myLib
   : glob [ source/*.cpp ]
   : <link>static <target-os>windows:<library>winsock
   ;

Does this help?

- Volodya