Re: conditional run/build specification

From: David Abrahams (dave_at_[hidden])
Date: 2004-12-23 13:30:41

TEMPLIE Cédric wrote:
> Robert Ramey wrote:
>> in my test Jamfile I would like something like:
>> 
>> 
>> if being built for static library
>> run
>> <lib>libboost_serialization.lib
>> etc.
>> 
>> while if being built for dynamic runtime
>> run
>> <lib>libboost_serialization.lib
>> etc.
>> <define>BOOST_DYN=1
>> 
>> It is not at all clear to me how to accomplish this. It looks to me that run
>> (and other build commands) build for all the combinations of
>> targets/variants specified.
>> 
>> Robert Ramey
>> 
> 
> Hi,
> 
> Have you tried
> <link>static:<define>BOOST_DYN=1
> in the requirements of your build ?
> 
> The line mean that if we are linking statically, then define BOOST_DYN=1.

That's BBv2 syntax; Robert is using BBv1.
Robert, the way to handle this is with property rules:

rule serialization-extras ( toolset variant : properties * )
{
if <target-type>dll in $(properties)
{
properties += <define>BOOST_DYN=1
}
return $(properties) ;
}

Now add "serialization-extras" to your target's requirements.
-- 
Dave Abrahams
Boost Consulting
http://www.boost-consulting.com