build: Assert that cfg makes sense - #5491
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Adjust configuration so that we are not e.g. setting `freebsd12` on non-FreeBSD targets, and add assertions that similar configuration setups make sense. This also means we aren't spending the (small) time to invoke version-fetching commands on targets where they won't even be used.
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This PR was rebased onto a different main commit. Here's a range-diff highlighting what actually changed. Rebasing is a normal part of keeping PRs up to date, so no action is needed—this note is just to help reviewers. |
dybucc
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Sep 6, 2026
| /// Corresponds to `_TIME_BITS=64` in glibc. Also used in x86 Windows with | ||
| /// GNU to expose a 64-bit `time_t`. | ||
| /// Corresponds to `_TIME_BITS=64` in glibc. Also used in x86 Windows with GNU | ||
| /// to expose a 64-bit `time_t`. Implies 32-bit GNU target and 64-bit `off_t`. |
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I don't think it's right to say that it implies 64-bit off_t. Windows
has no issues with off_t; It is time_t that is made 64-bits when
this cfg is issued.
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Adjust configuration so that we are not e.g. setting `freebsd12` on non-FreeBSD targets, and add assertions that similar configuration setups make sense. This also means we aren't spending the (small) time to invoke version-fetching commands on targets where they won't even be used. (backport <rust-lang#5491>) (cherry picked from commit 6840d7b)
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(backport <rust-lang#5491>) (cherry picked from commit 7e30c32)
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Adjust configuration so that we are not e.g. setting
freebsd12onnon-FreeBSD targets, and add assertions that similar configuration
setups make sense.