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- #! /usr/bin/env python
- # encoding: utf-8
- # Thomas Nagy, 2015
- """
- Force files to also depend on the timestamps of those located in the build directory. You may
- want to use this to force partial rebuilds, see playground/track_output_files/ for a working example.
- Note that there is a variety of ways to implement this, one may want use timestamps on source files too for example,
- or one may want to hash theA files in the source directory only under certain conditions (md5_tstamp tool)
- """
- import os
- from waflib import Node, Utils
- def get_bld_sig(self):
- if not self.is_bld() or self.ctx.bldnode is self.ctx.srcnode:
- return Utils.h_file(self.abspath())
- val = Utils.h_file(self.abspath()) + str(os.stat(self.abspath()).st_mtime).encode('latin-1')
- return val
- Node.Node.get_bld_sig = get_bld_sig
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