- to make a fully static app, replace env.SHLIB_MARKER and env.STLIB_MARKER
- string expansion on other attributes
- compile targets at the end
- set CC and LINK to a particular variable (the wine example)
- show a complete example of c compilation with rules vs task generator code (procedural vs object-oriented)

- get the path of a config test executable created
	from waflib.TaskGen import feature, after_method
	@feature('getpath')
	@after_method('apply_link')
	def getpath(self):
		self.bld.retval = self.link_task.outputs[0].abspath()
	ret = conf.check_cc(fragment="""#include<stdio.h>\nint main(){fprintf(stderr, "mu"); printf("%d", 22);return 0;}\n""", features='c cprogram getpath')
	print ret