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authorMatthew Pickering <matthewtpickering@gmail.com>2023-01-07 11:11:15 +0000
committerMarge Bot <ben+marge-bot@smart-cactus.org>2023-01-07 12:15:15 -0500
commit8c0ea25fb4a27d4729aabf73f4c00b912bb0c58d (patch)
treeaa2042d3f66e0f9559113848910b930821d40f44 /docs/users_guide/utils.py
parent734847108420cf826a807c30ad54651659cf3a08 (diff)
downloadhaskell-8c0ea25fb4a27d4729aabf73f4c00b912bb0c58d.tar.gz
Pass -Wl,-no_fixup_chains to ld64 when appropiate
Recent versions of MacOS use a version of ld where `-fixup_chains` is on by default. This is incompatible with our usage of `-undefined dynamic_lookup`. Therefore we explicitly disable `fixup-chains` by passing `-no_fixup_chains` to the linker on darwin. This results in a warning of the form: ld: warning: -undefined dynamic_lookup may not work with chained fixups The manual explains the incompatible nature of these two flags: -undefined treatment Specifies how undefined symbols are to be treated. Options are: error, warning, suppress, or dynamic_lookup. The default is error. Note: dynamic_lookup that depends on lazy binding will not work with chained fixups. A relevant ticket is #22429 Here are also a few other links which are relevant to the issue: Official comment: https://developer.apple.com/forums/thread/719961 More relevant links: https://openradar.appspot.com/radar?id=5536824084660224 https://github.com/python/cpython/issues/97524 Note in release notes: https://developer.apple.com/documentation/xcode-release-notes/xcode-13-releas e-notes
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