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rust-lld: error: undefined symbol: __[start|stop]_linkm2_KNOWN_STUBS #94

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torokati44 opened this issue Jun 11, 2024 · 5 comments
Open

rust-lld: error: undefined symbol: __[start|stop]_linkm2_KNOWN_STUBS #94

torokati44 opened this issue Jun 11, 2024 · 5 comments

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@torokati44
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torokati44 commented Jun 11, 2024 •
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This has been an issue before (#88), but now it has reached rustc beta: https://github.com/ruffle-rs/ruffle/actions/runs/9462151873/job/26064482962?pr=16448

  = note: rust-lld: error: undefined symbol: __start_linkm2_KNOWN_STUBS
          >>> referenced by 14g71b7tf2rrf8tb6zps16jjh
          >>>               ruffle_core-d15044b578f91d45.14g71b7tf2rrf8tb6zps16jjh.rcgu.o:(ruffle_core::stub::KNOWN_STUBS::h570647c79bce49d9) in archive /home/runner/work/ruffle/ruffle/target/ci/deps/libruffle_core-d15044b578f91d45.rlib
          >>> did you mean: __start_linkme_KNOWN_STUBS
          >>> defined in: <internal>
          >>> the encapsulation symbol needs to be retained under --gc-sections properly; consider -z nostart-stop-gc (see https://lld.llvm.org/ELF/start-stop-gc)
          
          rust-lld: error: undefined symbol: __stop_linkm2_KNOWN_STUBS
          >>> referenced by 14g71b7tf2rrf8tb6zps16jjh
          >>>               ruffle_core-d15044b578f91d45.14g71b7tf2rrf8tb6zps16jjh.rcgu.o:(ruffle_core::stub::KNOWN_STUBS::h570647c79bce49d9) in archive /home/runner/work/ruffle/ruffle/target/ci/deps/libruffle_core-d15044b578f91d45.rlib
          >>> did you mean: __stop_linkme_KNOWN_STUBS
          >>> defined in: <internal>
          collect2: error: ld returned 1 exit status
@torokati44
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See also: https://github.com/dtolnay/linkme/actions/runs/9458387043/job/26053880019

@torokati44
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torokati44 commented Jun 11, 2024 •
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RUSTFLAGS="-C link-args=-znostart-stop-gc" does indeed work around this.
Pasting the link from the error message to make it clickable: https://lld.llvm.org/ELF/start-stop-gc

This was referenced Jun 11, 2024
Closed
Merged
niklasdewally added a commit to niklasdewally/conjure-oxide that referenced this issue Jun 19, 2024
@niklasdewally
fix nightly build
4b14701 
In recent versions of the nightly / beta compilers, the use of linkme
causes linker errors. (dtolnay/linkme#94) This
is due to the new linker set as default in these versions.

Add linker flags to nightly builds to revert to the old linker
behaviour.

See:
  - dtolnay/linkme#88
  - https://blog.rust-lang.org/2024/05/17/enabling-rust-lld-on-linux.html
@niklasdewally niklasdewally mentioned this issue Jun 19, 2024
Merged
niklasdewally added a commit to niklasdewally/conjure-oxide that referenced this issue Jun 19, 2024
@niklasdewally
Fix nightly build
967eed6 
In recent versions of the nightly / beta compilers, the use of linkme
causes linker errors. (dtolnay/linkme#94) This
is due to the new linker set as default in these versions.

Add linker flags to nightly builds to revert to the old linker
behaviour.

See:

- dtolnay/linkme#88
- https://blog.rust-lang.org/2024/05/17/enabling-rust-lld-on-linux.html
niklasdewally added a commit to niklasdewally/conjure-oxide that referenced this issue Jun 19, 2024
@niklasdewally
Fix nightly build
05d8bd0 
In recent versions of the nightly / beta compilers, the use of linkme
causes linker errors. (dtolnay/linkme#94) This
is due to the new linker set as default in these versions.

Add linker flags to nightly builds to revert to the old linker
behaviour.

See:

- dtolnay/linkme#88
- https://blog.rust-lang.org/2024/05/17/enabling-rust-lld-on-linux.html

Signed-off-by: Niklas Dewally <[email protected]>
niklasdewally added a commit to niklasdewally/conjure-oxide that referenced this issue Jun 19, 2024
@niklasdewally
Fix nightly build
bef87c1 
In recent versions of the nightly / beta compilers, the use of linkme
causes linker errors. (dtolnay/linkme#94) This
is due to the new linker set as default in these versions.

Add linker flags to nightly builds to revert to the old linker
behaviour.

See:

- dtolnay/linkme#88
- https://blog.rust-lang.org/2024/05/17/enabling-rust-lld-on-linux.html

Signed-off-by: Niklas Dewally <[email protected]>
niklasdewally added a commit to niklasdewally/conjure-oxide that referenced this issue Jun 19, 2024
@niklasdewally
Fix nightly build
52faabb 
In recent versions of the nightly / beta compilers, the use of linkme
causes linker errors. (dtolnay/linkme#94) This
is due to the new linker set as default in these versions.

Add linker flags to nightly builds to revert to the old linker
behaviour.

See:

- dtolnay/linkme#88
- https://blog.rust-lang.org/2024/05/17/enabling-rust-lld-on-linux.html

Signed-off-by: Niklas Dewally <[email protected]>
niklasdewally added a commit to niklasdewally/conjure-oxide that referenced this issue Jun 25, 2024
@niklasdewally
Fix: broken nightly builds
5cadfb3 
In recent versions of the nightly / beta compilers, the use of linkme
causes linker errors. (dtolnay/linkme#94) This
is due to the new linker set as default in these versions.

Add linker flags to nightly builds to revert to the old linker
behaviour.

See:

- dtolnay/linkme#88
- https://blog.rust-lang.org/2024/05/17/enabling-rust-lld-on-linux.html

Signed-off-by: Niklas Dewally <[email protected]>
niklasdewally added a commit to niklasdewally/conjure-oxide that referenced this issue Jun 25, 2024
@niklasdewally
Fix: broken nightly builds
43ad958 
In recent versions of the nightly / beta compilers, the use of linkme
causes linker errors. (dtolnay/linkme#94) This
is due to the new linker set as default in these versions.

Add linker flags to nightly builds to revert to the old linker
behaviour.

See:

- dtolnay/linkme#88
- https://blog.rust-lang.org/2024/05/17/enabling-rust-lld-on-linux.html

Signed-off-by: Niklas Dewally <[email protected]>
niklasdewally added a commit to niklasdewally/conjure-oxide that referenced this issue Jun 25, 2024
@niklasdewally
Fix: broken nightly builds
5ef6a6f 
In recent versions of the nightly / beta compilers, the use of linkme
causes linker errors. (dtolnay/linkme#94) This
is due to the new linker set as default in these versions.

Add linker flags to nightly builds to revert to the old linker
behaviour.

See:

- dtolnay/linkme#88
- https://blog.rust-lang.org/2024/05/17/enabling-rust-lld-on-linux.html

Signed-off-by: Niklas Dewally <[email protected]>
niklasdewally added a commit to niklasdewally/conjure-oxide that referenced this issue Jun 25, 2024
@niklasdewally
Fix: broken nightly builds
3904222 
In recent versions of the nightly / beta compilers, the use of linkme
causes linker errors. (dtolnay/linkme#94) This
is due to the new linker set as default in these versions.

Add linker flags to nightly builds to revert to the old linker
behaviour.

See:

- dtolnay/linkme#88
- https://blog.rust-lang.org/2024/05/17/enabling-rust-lld-on-linux.html

Signed-off-by: Niklas Dewally <[email protected]>
niklasdewally added a commit to niklasdewally/conjure-oxide that referenced this issue Jun 25, 2024
@niklasdewally
Fix: broken nightly builds
33d3cb3 
In recent versions of the nightly / beta compilers, the use of linkme
causes linker errors. (dtolnay/linkme#94) This
is due to the new linker set as default in these versions.

Add linker flags to nightly builds to revert to the old linker
behaviour.

See:

- dtolnay/linkme#88
- https://blog.rust-lang.org/2024/05/17/enabling-rust-lld-on-linux.html

Signed-off-by: Niklas Dewally <[email protected]>
niklasdewally added a commit to niklasdewally/conjure-oxide that referenced this issue Jun 25, 2024
@niklasdewally
fix: broken nightly builds
1eba493 
In recent versions of the nightly / beta compilers, the use of linkme
causes linker errors. (dtolnay/linkme#94) This
is due to the new linker set as default in these versions.

Add linker flags to nightly builds to revert to the old linker
behaviour.

See:

- dtolnay/linkme#88
- https://blog.rust-lang.org/2024/05/17/enabling-rust-lld-on-linux.html

Signed-off-by: Niklas Dewally <[email protected]>
niklasdewally added a commit to niklasdewally/conjure-oxide that referenced this issue Jun 25, 2024
@niklasdewally
fix: broken nightly builds
b36f502 
In recent versions of the nightly / beta compilers, the use of linkme
causes linker errors. (dtolnay/linkme#94) This
is due to the new linker set as default in these versions.

Add linker flags to nightly builds to revert to the old linker
behaviour.

See:

- dtolnay/linkme#88
- https://blog.rust-lang.org/2024/05/17/enabling-rust-lld-on-linux.html

Signed-off-by: Niklas Dewally <[email protected]>
niklasdewally added a commit to niklasdewally/conjure-oxide that referenced this issue Jun 25, 2024
@niklasdewally
fix: broken nightly builds
482c1e5 
In recent versions of the nightly / beta compilers, the use of linkme
causes linker errors. (dtolnay/linkme#94) This
is due to the new linker set as default in these versions.

Add linker flags to nightly builds to revert to the old linker
behaviour.

See:

- dtolnay/linkme#88
- https://blog.rust-lang.org/2024/05/17/enabling-rust-lld-on-linux.html

Signed-off-by: Niklas Dewally <[email protected]>
@equation314 equation314 mentioned this issue Jul 30, 2024
Merged
@yoctozepto yoctozepto mentioned this issue Aug 7, 2024
Open
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@yoctozepto
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It seems to really be a dup of now-long-standing #49 (see that digit switch? what a coincidence!)

BTW, what was the platform in this case? (distro, libc, cc toolkit; with versions) I am wondering how to pinpoint the real culprit.

@yoctozepto
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It seems to really be a dup of now-long-standing #49 (see that digit switch? what a coincidence!)

BTW, what was the platform in this case? (distro, libc, cc toolkit; with versions) I am wondering how to pinpoint the real culprit.

I have realised the main post had a ref to GHA running Ubuntu 22.04 which has clang in version 14 https://packages.ubuntu.com/jammy/clang and obviously runs glibc

@qjerome qjerome mentioned this issue Oct 7, 2024
Open
ckane added a commit to ckane/kerntest that referenced this issue Nov 7, 2024
@ckane
Use nostart-stop-gc instead of link-dead-code
6d83d78 
Fixes symbol errors when linking code using linkme crate.

Reference:
- dtolnay/linkme#94
@willmtemple
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Same issue here. link-args=-znostart-stop-gc as the error suggests works for me, as does link-dead-code.

Host triple: x86_64-unknown-linux-gnu
Arch Linux w/Rustup
rustc 1.85.0-nightly (a224f3807 2024-12-09)
glibc 2.40
clang/lld 18.1.8

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@torokati44 @willmtemple @yoctozepto