Move links key from pyo3 to pyo3-ffi #2224
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…ipt has finished before pyo3's build script starts.
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I don't think this will necessarily help? The problem is that this PR will cause Even if the build script runs for the host build, it won't get the right information from cargo to detect cross compiles. |
I it is indeed built twice but the (useless) version for the host does not write the cross-comilation-specific file, does it? In any case, I think this appears to fix things because it seems to ensure that both build script builds of Log of building `pyo3-ffi` and `pyo3` with this change |
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So the CI failure show that this is a bad idea in any case as the host build of |
Instead of a fake build dependency, move the links key from pyo3 to pyo3-ffi which according to [1] is a prerequisite for build scripts to emit meta-data that can be used by other build scripts which would incidentally ensure the ordering between the build script of pyo3 and pyo3-ffi that we need. [1] https://doc.rust-lang.org/cargo/reference/build-script-examples.html#using-another-sys-crate
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Another try: Instead of a fake build dependency, move the (I think the |
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That sounds likely to be a correct fix to me! |
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adamreichold
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messense
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Mar 15, 2022
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This ensures that its build script has finished before pyo3's build script starts. The extra dependency edge enables reliably passing configuration files like
pyo3-cross-compile-config.txtcreated bypyo3-ffi's build script to the one ofpyo3.Closes #2222