Conflicting weak symbol definitions when linking windows-macros on Github CI #1006
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I think the issue is not with the particular crate but a general issue with coverage instrumentation as also seen in rust-lang/rust#85461. The conflict appears to be between different codegen units in the same rlib, so you may have success setting |
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workaround suggested in microsoft/windows-rs#1006 (comment)
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workaround suggested in microsoft/windows-rs#1006 (comment)
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* [ci] Bump toolchain version. * [ofl] satisfy updated clippy * [core] satisfy updated clippy * [ci] don't regenerate lockfiles for ofl, we want to pin the deps for the binary the root lockfile is gitignored so shouldn't matter * [dom] satisfy updated clippy * [ci] stop installing gtar the new version of the cache action defaults to it apparently * [ofl] limit to 1 cgu when collecting coverage workaround suggested in microsoft/windows-rs#1006 (comment)
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101: Force 1 codegen unit r=taiki-e a=taiki-e Workaround for rust-lang/rust#85461 See also microsoft/windows-rs#1006 (comment) Co-authored-by: Taiki Endo <te316e89@gmail.com>
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101: Force 1 codegen unit on windows r=taiki-e a=taiki-e Workaround for rust-lang/rust#85461 See also microsoft/windows-rs#1006 (comment) Co-authored-by: Taiki Endo <te316e89@gmail.com>
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When bringing in windows-macros in a crate and compiling it on Github Actions CI, I'm getting the following linking error:
libwindows_gen-474a14e06a135143.rlib(windows_gen-474a14e06a135143.windows_gen.3qcf9mth-cgu.3.rcgu.o) : fatal error LNK1227: conflicting weak extern definition for '_RNvXININtNtCsdw1U8rBUA7W_11windows_gen6squote9to_tokenss1_0pEINtNtCs3E5rcf10EnF_5alloc5boxed3BoxpENtB5_8ToTokens9to_tokensB9_'. New default '.weak._RNvXININtNtCsdw1U8rBUA7W_11windows_gen6squote9to_tokenss1_0pEINtNtCs3E5rcf10EnF_5alloc5boxed3BoxpENtB5_8ToTokens9to_tokensB9_.default._RINvMNtCstYrKh3qYsp_4core5sliceSNtNtCs3E5rcf10EnF_5alloc6string6String13get_uncheckedINtNtNtB5_3ops5range9RangeFromjEECsdw1U8rBUA7W_11windows_gen' conflicts with old default '.weak._RNvXININtNtCsdw1U8rBUA7W_11windows_gen6squote9to_tokenss1_0pEINtNtCs3E5rcf10EnF_5alloc5boxed3BoxpENtB5_8ToTokens9to_tokensB9_.default._RINvMNtCstYrKh3qYsp_4core5sliceSRe13get_uncheckedINtNtNtB5_3ops5range9RangeFromjEECsdw1U8rBUA7W_11windows_gen' in libwindows_gen-474a14e06a135143.rlib(windows_gen-474a14e06a135143.windows_gen.3qcf9mth-cgu.11.rcgu.o)CI Status Link: https://github.com/deviceplug/btleplug/runs/3164475302?check_suite_focus=true
I can't seem to repro this on my local machine, so it may be something in our CI setup, but I'm not particularly sure what. We aren't caching anything that I'm aware of, so I don't think this is a conflict between versions or anything.
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