rustc -v should print out linker output
#38206
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A-frontend
Area: Compiler frontend (errors, parsing and HIR)
A-linkage
Area: linking into static, shared libraries and binaries
C-feature-request
Category: A feature request, i.e: not implemented / a PR.
T-compiler
Relevant to the compiler team, which will review and decide on the PR/issue.
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Currently we don't actually print anything on |
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It used to show the linker command lines. Was dropping that a deliberate decision? |
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Oh dear I had no idea that it ever used to emit the linker command line, if that stopped working it's definitely a regression! |
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I'd really appreciate if we printed the output from the linker when using |
Mark-Simulacrum
changed the title
rustc -v is completely silentrustc -v should print out linker output
Mark-Simulacrum
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Mark-Simulacrum
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C-feature-request
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I found a way to get the linker output today if you need it now. You can set the |
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Copying @japaric's useful tip for those of us that need the info before the request is implemented:
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also... |
jonas-schievink
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omac777
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in bodil/vgtk
Jan 20, 2020
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You can use to get linker command line and stderr+stdout. example: Output: |
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@rustbot claim |
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@yanok are you still working on this? |
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Yes, I have a commit for this bug. I wasn't happy about it somehow and wanted to do some more but I guess I will make a PR and discuss it with reviewers. |
Was this removed at some point? because |
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It was stabilized as |
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It looks like there's a difference in |
compiler-errors
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Jan 26, 2024
show linker output even if the linker succeeds - show stderr by default - show stdout if `--verbose` is passed - remove both from RUSTC_LOG - hide the linker cli args unless `--verbose` is passed fixes rust-lang#83436. fixes rust-lang#38206. fixes rust-lang#109979. helps with rust-lang#46998. cc https://rust-lang.zulipchat.com/#narrow/stream/233931-t-compiler.2Fmajor-changes/topic/uplift.20some.20-Zverbose.20calls.20and.20rename.20to.E2.80.A6.20compiler-team.23706/near/408986134 this is based on rust-lang#119129 for convenience so i didn't have to duplicate the changes around saving `--verbose` in rust-lang@cb6d033#diff-7a49efa20548d6806dbe1c66dd4dc445fda18fcbbf1709520cadecc4841aae12 r? `@bjorn3`
bors
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Jan 30, 2024
show linker output even if the linker succeeds - show stderr by default - show stdout if `--verbose` is passed - remove both from RUSTC_LOG - hide the linker cli args unless `--verbose` is passed fixes rust-lang#83436. fixes rust-lang#38206. fixes rust-lang#109979. helps with rust-lang#46998. cc https://rust-lang.zulipchat.com/#narrow/stream/233931-t-compiler.2Fmajor-changes/topic/uplift.20some.20-Zverbose.20calls.20and.20rename.20to.E2.80.A6.20compiler-team.23706/near/408986134 this is based on rust-lang#119129 for convenience so i didn't have to duplicate the changes around saving `--verbose` in rust-lang@cb6d033#diff-7a49efa20548d6806dbe1c66dd4dc445fda18fcbbf1709520cadecc4841aae12 r? `@bjorn3`
workingjubilee
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Sep 11, 2024
show linker output even if the linker succeeds - show stderr by default - show stdout if `--verbose` is passed - remove both from RUSTC_LOG - hide the linker cli args unless `--verbose` is passed fixes rust-lang#83436. fixes rust-lang#38206. fixes rust-lang#109979. helps with rust-lang#46998. cc https://rust-lang.zulipchat.com/#narrow/stream/233931-t-compiler.2Fmajor-changes/topic/uplift.20some.20-Zverbose.20calls.20and.20rename.20to.E2.80.A6.20compiler-team.23706/near/408986134 this is based on rust-lang#119129 for convenience so i didn't have to duplicate the changes around saving `--verbose` in rust-lang@cb6d033#diff-7a49efa20548d6806dbe1c66dd4dc445fda18fcbbf1709520cadecc4841aae12 r? `@bjorn3`
bors
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to rust-lang-ci/rust
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Sep 11, 2024
show linker output even if the linker succeeds - show stderr by default - show stdout if `--verbose` is passed - remove both from RUSTC_LOG - hide the linker cli args unless `--verbose` is passed fixes rust-lang#83436. fixes rust-lang#38206. fixes rust-lang#109979. helps with rust-lang#46998. cc https://rust-lang.zulipchat.com/#narrow/stream/233931-t-compiler.2Fmajor-changes/topic/uplift.20some.20-Zverbose.20calls.20and.20rename.20to.E2.80.A6.20compiler-team.23706/near/408986134 this is based on rust-lang#119129 for convenience so i didn't have to duplicate the changes around saving `--verbose` in rust-lang@cb6d033#diff-7a49efa20548d6806dbe1c66dd4dc445fda18fcbbf1709520cadecc4841aae12 r? `@bjorn3`
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If I compile something with
rustc -v, it doesn't show the linker invocations or anything else:The text was updated successfully, but these errors were encountered: