[release-1.10] Backport version script fixes #58130
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lld 17 and above by default error if symbols listed in the version script are undefined. Julia has a few of these, as some symbols are defined conditionally in Julia (e.g. based on OS), others perhaps have been removed from Julia and other seem to be defined in other libraries. Further the version script is used in linking three times, each time linking together different objects and so having different symbols defined. Adding `-Wl,--undefined-version` is not a great solution as passing that to ld < 2.40 errors and there doesn't seem to be a great way to check if a linker supports this flag. I don't know how to get around these errors for symbols like `_IO_stdin_used` which Julia doesn't define and it seems to matter whether or not they are exported, see https://libc-alpha.sourceware.narkive.com/SevIQmU3/io-stdin-used-stripped-by-version-scripts. So I've converted all undefined symbols into wildcards to work around the error. Fixes #50414, fixes #54533 and replaces #55319. --------- Co-authored-by: Zentrik <Zentrik@users.noreply.github.com> (cherry picked from commit d269d7d)
(Cherry-picked from PR #57874)
(Cherry-picked from PR #53633)
giordano
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Apr 15, 2025
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This includes three commits that fix the version script for use with newer LLD. This has already been fixed on 1.11, 1.12, and master.
Commits were cherry-picked from #55363, #57874, and #53633.