Hi Emil,

Your code does not put <threading>multi in the project's usage-requirements. That's what you have to do to cause users of this project to have <threading>multi in their build properties.

I'm not sure if character '/' (slash) is allowed in a project name. Have you seen examples of that?

Mark

You wrote:

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
import os ;

if [ os.name ] = NT
{
    reqts = <link>shared:<define>BOOST_THREAD_BUILD_DLL=1 ;
}
else
{
    # Declare the uses system library
    lib pthread : : <name>pthread ;
    usage = <library>pthread ;
}

project boost/thread
    : source-location ../src
    : usage-requirements $(usage)
    : requirements $(reqts)  <threading>multi
    : default-build <threading>multi
    ;

CPP_SOURCES = condition mutex recursive_mutex thread xtime
 once
                  exceptions barrier tss tss_hooks tss_dll tss_pe ;

lib boost_thread
   : $(CPP_SOURCES).cpp
   ;
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~


Ideally I want any of my projects that ends up linking boost_thread to have 
been built with <threading>multi without me having to specify it explicityl 
in my requirements. But it doesn't seem to work.