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Ran 23 Jan 2026 02:20PM UTC

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Committed 23 Jan 2026 02:17PM UTC coverage: 74.971%. Remained the same

Job # 21289232285.1

Build Type

push

github

Committed by

bluca

Commit Message

Problem: CACHELINE_SIZE conditions check string after numeric comparisons

When getconf returns "undefined" (e.g., on s390x under qemu-user), the
STREQUAL "undefined" check comes after EQUAL 0 and EQUAL -1. While this
works in current CMake versions, performing numeric comparisons on
non-numeric strings before string comparisons is fragile and could have
undefined behavior in some CMake versions.

Solution: reorder conditions to check strings before numeric comparisons

Move STREQUAL "undefined" before the EQUAL comparisons. This ensures
proper string matching is attempted before any numeric coercion, making
the code more robust and easier to understand.

Verified with qemu-user s390x emulation (CMake 3.22):
- getconf LEVEL1_DCACHE_LINESIZE returns "undefined"
- Both orderings work, but string-first is safer

Fixes #4834

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