tests: fix warnings about suffix rule prerequisites#719
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westes merged 1 commit intowestes:masterfrom Feb 20, 2026
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This corrects a warning I introduced around 11 years ago.
GNU make ignores prerequisites on suffix rules. I tried to use prerequisites on the tests/ suffix rules to ensure top_builddir/src/flex was built first. That wasn't really working, but it looked like it was at the time.
More recently, make started emitting a warning about the lines I've changed below. The solution was to move the logic to pattern rules and just use the prefix-style rules to register the possible implicit constructions.
This conflicts with my PR that disables the Go tests. I'll rebase whichever comes second.