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Link a test program after each --with-*-sanitizer option and stop with a clear error if the flag is unsupported or the runtime is missing.
vasiliyk
requested review from
AA-Turner,
corona10,
emmatyping,
erlend-aasland and
itamaro
as code owners
October 15, 2026 23:30
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--with-*-sanitizerputs-fsanitize=....intoLDFLAGSunchecked, so a missing sanitizer runtime makesconfigurefail on unrelated checks.This PR links an empty program right after the flags are set and fails with a clear message if that does not work.
I added checks for all sanitizer options. For msan and hwasan replaced
AX_CHECK_COMPILE_FLAG, which only compiled and could not catch missing runtime.Supersedes #12433 that was closed as stale.