[Scons-users] Precious+NoClean vs SideEffect

[Mark Ribau]

Can anyone tell me some rules of thumb for when to use Precious with
NoClean and when to use SideEffect?  They seem to basically have the same
effect in my experiments with them.

The only major difference I can see is that SCons won't complain if
multiple sources modify the same SideEffect?  But that doesn't seem like
the only difference, otherwise SideEffect seems like a weird name, so I am
assuming I'm missing something.
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*mark ribau*
*software engineer
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