Ticket #217: Jamroot

import errors feature regex property-set ;

project condtest 
        : default-build debug
        ;

local argv = [ modules.peek : ARGV ] ;

local incidental-opt ;

if --no-incidental in $(argv)
{
        echo CONFIG: Not using incidental in feature definition ;
}
else
{
        echo CONFIG: Using incidental in feature definition ;
        incidental-opt = incidental ;
}

local path-opt = [ regex.transform $(argv) : "^--path=([^ ]+)" ] ;
if "" = "$(path-opt)"
{
        path-opt = sub/dir ;
}

echo CONFIG: Using path: $(path-opt) ;

feature.feature bar-path : : $(incidental-opt) free path ;

rule bar ( properties * )
{
        local ps = [ property-set.create $(properties) ] ;
        
        if ! [ $(ps).get <bar-path> ]
        {
                errors.error "ERROR: bar-path is REALLY needed!!!" ;
        }
}

lib foo
        : # sources
        : # requirements
        <bar-path>$(path-opt)
        <conditional>@bar
        ;