boost_1_45_0/tools/build/v2/test/dependency-test/foo.jam

# Copyright 2003 Dave Abrahams 
# Copyright 2002, 2003, 2005 Vladimir Prus 
# Distributed under the Boost Software License, Version 1.0. 
# (See accompanying file LICENSE_1_0.txt or http://www.boost.org/LICENSE_1_0.txt) 

import type ;
import generators ;
import os ;
import print ;

type.register FOO : foo ;

generators.register-standard foo.foo : FOO : CPP H ;

nl = "
" ;

rule foo ( targets * : sources * : properties * )
{
    # On NT, you need an exported symbol in order to have an 
    # import lib generated
    # We won't really use the symbol defined here, just force
    # lib creation.
    if ( [ os.name ] = NT || [ modules.peek : OS ] in CYGWIN )
        && <main-target-type>LIB in $(properties)
    {
        .decl =  "void __declspec(dllexport) foo(){}" ;
    }
    
    print.output $(<[1]) ;
    print.text $(.decl:E="//")$(nl) ;
    print.output $(<[2]) ;
    print.text "#include <z.h>"$(nl) ;
}