source: downloads/boost_1_34_1/tools/build/v2/test/implicit_dependency.py @ 45

#!/usr/bin/python

#  Copyright (C) Vladimir Prus 2006.
#  Distributed under the Boost Software License, Version 1.0. (See
#  accompanying file LICENSE_1_0.txt or copy at
#  http://www.boost.org/LICENSE_1_0.txt)

#  Test the <implicit-dependency> is respected even if the
#  target referred-to is not build itself, but only referred
#  to by <implicit-dependency>.

from BoostBuild import Tester, List
import string

t = Tester()

t.write("Jamroot", """ 
make a.h : : gen-header ;
explicit a.h ;

exe hello : hello.cpp : <implicit-dependency>a.h ;

import os ;
if [ os.name ] = NT
{
    actions gen-header
    {
       echo int i; > $(<)
    }
}
else
{
    actions gen-header
    {
        echo "int i;" > $(<)
    }
}
""")

t.write("hello.cpp", """ 
#include "a.h"

int main()
{
    return i;
} 
""")



t.run_build_system()

t.expect_addition("bin/$toolset/debug/hello.exe")

t.cleanup()