vars = Variables(None, ARGUMENTS)
vars.Add('SHLIBVERSION', 'Set the SHLIBVERSION', 0)
vars.Add('APPLELINK_CURRENT_VERSION', 'Set APPLELINK_CURRENT_VERSION', 0)
vars.Add('APPLELINK_COMPATIBILITY_VERSION', 'Set APPLELINK_COMPATIBILITY_VERSION', 0)
vars.Add('APPLELINK_NO_CURRENT_VERSION', 'Set APPLELINK_NO_CURRENT_VERSION', 0)
vars.Add('APPLELINK_NO_COMPATIBILITY_VERSION', 'Set APPLELINK_NO_COMPATIBILITY_VERSION', 0)

env = Environment(variables = vars, tools=['gcc', 'applelink'])

if env['APPLELINK_NO_CURRENT_VERSION'] == '0':
    env['APPLELINK_NO_CURRENT_VERSION'] = 0

if env['APPLELINK_NO_COMPATIBILITY_VERSION'] == '0':
    env['APPLELINK_NO_COMPATIBILITY_VERSION'] = 0


print("SHLIBVERSION                      =[%s]"%env.get('SHLIBVERSION', False))
print("APPLELINK_CURRENT_VERSION         =[%s]"%env.get('APPLELINK_CURRENT_VERSION', False))
print("APPLELINK_COMPATIBILITY_VERSION   =[%s]"%env.get('APPLELINK_COMPATIBILITY_VERSION', False))
print("APPLELINK_NO_CURRENT_VERSION      =[%s]"%env.get('APPLELINK_NO_CURRENT_VERSION', False))
print("APPLELINK_NO_COMPATIBILITY_VERSION=[%s]"%env.get('APPLELINK_NO_COMPATIBILITY_VERSION', False))

obj = env.SharedObject('foo.c')
sl = env.SharedLibrary('foo', obj)
sl2 = env.SharedLibrary('foo2', obj, SONAME='libfoo.4.dynlib')
lm = env.LoadableModule('fool', obj)

env.InstallVersionedLib(target='#/install',
                        source=sl)

env.InstallVersionedLib(target='#/install',
                        source=lm)