C++的一个好库。。。现在很流行

				#!/usr/bin/python
				
				# Test the 'symlink' rule
				
				from BoostBuild import Tester, List
				import os
				t = Tester()
				
				if os.name != 'posix':
				    print "The symlink tests can be run on posix only"
				    sys.exit(1)
				
				t.write("project-root.jam", "import gcc ;")
				t.write("Jamfile", """
				exe hello : hello.cpp ;
				symlink hello_release : hello/release ; 
				symlink hello_debug : hello/debug ;
				symlink links/hello_release : hello/release ; 
				""")
				t.write("hello.cpp", """
				int main()
				{
				    return 0;
				}
				""")
				
				t.run_build_system()
				t.expect_addition(List('hello_debug.exe hello_release.exe links/hello_release.exe'))
				
				
				t.cleanup()