def apply_lib_vars(self):
		debug('apply_lib_vars called', 'ccroot')

		# 0. override if necessary
		self.process_vnum()

		# 1. the case of the libs defined in the project
		names = self.uselib_local.split()
		env=self.env
		htbl = Params.g_build.m_depends_on
		for name in names:
			for obj in Object.g_allobjs:
				if obj.name != name: continue

				if not obj.m_posted: obj.post()

				if obj.m_type == 'shlib':
					env.append_value('LIB', obj.target)
				elif obj.m_type == 'plugin':
					if platform == 'darwin':
						env.append_value('PLUGIN', obj.target)
					else:
						env.append_value('LIB', obj.target)
				elif obj.m_type == 'staticlib':
					env.append_value('STATICLIB', obj.target)
				else:
					error('unknown object type %s in apply_lib_vars' % obj.name)

				# add the path too
				tmp_path = obj.path.bldpath(self.env)
				if not tmp_path in env['LIBPATH']: env.prepend_value('LIBPATH', tmp_path)

				# set the dependency over the link task
				self.m_linktask.m_run_after.append(obj.m_linktask)

				#break
				# make sure to rebuild our link task if obj.m_linktask is re-run
				try:
					lst = htbl[self.m_linktask.m_outputs[0]]
					for a in obj.m_linktask:
						if not a in lst:
							lst.append(a)
				except:
					htbl[self.m_linktask.m_outputs[0]] = obj.m_linktask.m_outputs
				# do not continue on all objects, we have found the interesting one
				break

		# 2. the case of the libs defined outside
		libs = self.uselib.split()
		for l in libs:
			for v in self.p_flag_vars:
				val=self.env[v+'_'+l]
				if val: self.env.append_value(v, val)