[Scons-users] Wacky crash in Clone()

[Marc Branchaud]

On 2022-01-21 17:43, Mats Wichmann wrote:
> On 1/21/22 14:39, Marc Branchaud via Scons-users wrote:
>> 
>> The code is basically structured as follows.  The custom builder
>> uses functions from a "BaseBuilder" module defined in site_scons.
>> (I've elided a lot of setup work in the real code, which is
>> sprinkled among several different files, many of which are exec()'d
>> by the SConstruct. I'm trying not to suspect the reliance on exec()
>> to split up what would otherwise be a giant SConstruct file.)
> 
> that has a bit of a smell to it... why would you need to exec things 
> manually? things that need to do setup can go in site_scons, and
> SCons will arrange to pull them in.

Yes, smelly.  It's really just a literal breaking-up of the overall
SConstruct into different parts, and historically different parts were
exec'd depending on what was being built.  At this point it's an
if-it-ain't-broke situation.

> My faulty memory is telling me we heard about something like this
> fairly recently, where something doesn't get set up right in an 
> OverrideEnvironment. Might take a little bit of prospecting to find 
> that, if indeed it was related (which is hard to tell from your
> example, since the example works).

Hopefully the problem is just Cloning inside an Action.

		M.