Re: [jamboost] Re: Conditional including library based on platform

From: Pedro Ferreira (pedro.ferreira_at_[hidden])
Date: 2005-05-19 03:35:03

> That's sort of what I want but I'd really prefer to have the
> conditional based on the OS or based on a defined value in a header
> file. Is this even possible?

Sure:

local lwsock32-name = ;
if [ os.name ] = NT
{
lwsock32-name = wsock32 ;
}
else if [ os.name ] = MACOSX
{
lwsock32-name = xpto ;
}

(...)

lib lwsock32 : : <name>$(lwsock32-name) ;

Pedro

> --- In jamboost_at_[hidden], "Pedro Ferreira"
> <pedro.ferreira_at_m...> wrote:
>> Hi,
>> 
>> > Hi I need to include the wsock32 libraries conditionally when I'm
>> > building a project on windows (and I don't want to link it in
> when I'm
>> > in linux)...
>> >
>> > I'm sure this is very trivial but I'm having a very hard time
> figuring
>> > out how to actually do it, I have something like the following:
>> >
>> > project client
>> > : requirements <include>../common ;
>> >
>> > lib lwsock32 : : <name>wsock32 ;
>> >
>> > exe myClient
>> > : client.cc
>> > lwsock32
>> > ;
>> >
>> > That works fine, but what I need is to actually include a
> conditional
>> > in bjam v2, in order to load it (only in windows)... something
> like
>> > <toolset>gcc:<library>lwsock32
>> > but using some variable instead.
>> > Any help would be greatly appreciated.
>> 
>> I'm not really sure if this is what you intend (it's still too early
> in the 
>> morning...) but, if you want to include the lib if using msvc and
> not 
>> include it if gcc, you can do this:
>> 
>> lib lwsock32 : : <name>wsock32 <toolset>msvc ;
>> 
>> alias lwsock32 : : <toolset>msvc ;
>> 
>> exe myClient
>> : client.cc
>> lwsock32
>> ;
>> 
>> HTH,
>> 
>> Pedro
> 
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