Matthew Woehlke b3873b8272 cmFindPackageStack: Allow controlled mutation ...

As mentioned in the previous commit, we would like to record additional
information in the find-package stack, but we don't have the information
at the point a stack entry is created. This necessitates making the
stack mutable. However, in order to restrict mutation, do not directly
expose the mutable value, and instead arrange for it to be accessible
only via cmFindPackageStackRAII (renamed and extracted from cmMakefile).
This ensures that mutation can only happen while the stack is being
built.

2025-07-30 11:01:14 -04:00

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