[Python-Dev] PEP 552: deterministic pycs

[Benjamin Peterson]

On Thu, Sep 7, 2017, at 14:19, Freddy Rietdijk wrote:
> > The main objection to that model is that it requires modifying source
> timestamps, which isn't possible for builds on read-only source trees.
> 
> Why not set the source timestamps of the source trees to say 1 first?

If the source-tree is readonly (because you don't want your build system
to modify source files on principal), you cannot do that.