Resolve various CI issues #4254

tgross35 · 2025-01-27T07:04:49Z

Fix the missing_abi lint

Recent versions of Rust require the ABI always be specified for extern functions, whereas it historically defaulted to extern "C". Fix a few cases where this lint now gets raised by specifying extern "C".

Disable RUST_BACKTRACE for FreeBSD CI

Having this environment variable set causes a segfault rust-lang/rust#132185. Just disable backtraces for now.

FreeBSD: Add the new st_filerev field to stat32 for FreeBSD 15

This field appears to have been added recently freebsd/freebsd-src@b4663a8.

Temporarily disable powerpc-unknown-linux-gnu tests

As mentioned in 1, this test has started to fail for unclear reasons. Disable this until it can be investigated further.

rustbot · 2025-01-27T07:04:52Z

@tgross35: no appropriate reviewer found, use r? to override

Recent versions of Rust require the ABI always be specified for `extern` functions, whereas it historically defaulted to `extern "C"`. Fix a few cases where this lint now gets raised by specifying `extern "C"`.

tgross35 · 2025-01-27T07:22:06Z

error: linker stderr: ld: ignoring duplicate libraries: '-lc', '-lm'

This must be new

tgross35 · 2025-01-27T07:27:28Z

On ppc error: linker stderr: /usr/lib/gcc-cross/powerpc-linux-gnu/13/../../../../powerpc-linux-gnu/bin/ld: bss-plt forced due to /checkout/target/powerpc-unknown-linux-gnu/debug/deps/libc-1418d2c3ba41e79e.bn05wnafzhhjwo0wbk74h1tni.rcgu.o

Windows: Warning: corrupt .drectve at end of def file

tgross35 · 2025-01-27T07:41:16Z

That warning gets downgraded in rust-lang/rust#136098, we can wait for that.

tgross35 · 2025-01-28T01:55:13Z

The FreeBSD failures look like rust-lang/cargo#15092

pheki · 2025-02-05T03:53:14Z

For the FreeBSD jobs, if rust-lang/cargo#15092 is the same issue, maybe disabling backtraces on cirrus could work?

ci/run.sh defaults it to 1, but we should be able to explicitly pass 0 on it on .cirrus.yml:

diff --git a/.cirrus.yml b/.cirrus.yml
index 656696c82..798a36dcc 100644
--- a/.cirrus.yml
+++ b/.cirrus.yml
@@ -27,5 +27,5 @@ task:
     - if [ "$TARGET" = "i686-unknown-freebsd" ]; then rustup target add i686-unknown-freebsd; fi
   test_script:
     - . $HOME/.cargo/env
-    - LIBC_CI=1 sh ci/run.sh $TARGET
+    - LIBC_CI=1 RUST_BACKTRACE=0 sh ci/run.sh $TARGET
     - sh ci/run.sh $TARGET

tgross35 · 2025-02-05T06:05:23Z

Thanks for the writeup. I do plan to try that out, just haven't had a chance to circle back to this yet.

Having this environment variable set causes a segfault [1]. Just disable backtraces for now. [1]: rust-lang/rust#132185

This field appears to have been added recently [1]. [1]: freebsd/freebsd-src@b4663a8

tgross35 · 2025-02-05T10:08:16Z

Fyi @asomers the third commit here adds a field to stat32 that seems to be new in FreeBSD 15 freebsd/freebsd-src@b4663a8.

tgross35 · 2025-02-05T10:09:21Z

No idea what the PPC failure is about

     Running test/main.rs (target/powerpc-unknown-linux-gnu/debug/deps/main-cbb4a863e45d0841)
error: test failed, to rerun pass `-p libc-test --test main`

Caused by:
  process didn't exit successfully: `qemu-ppc -L /usr/powerpc-linux-gnu /checkout/target/powerpc-unknown-linux-gnu/debug/deps/main-cbb4a863e45d0841 --skip check_style` (signal: 4, SIGILL: illegal instruction)

I am going to disable that for now in order to get CI unstuck.

As mentioned in [1], this test has started to fail for unclear reasons. Disable this until it can be investigated further. [1]: rust-lang#4254 (comment)

Recent versions of Rust require the ABI always be specified for `extern` functions, whereas it historically defaulted to `extern "C"`. Fix a few cases where this lint now gets raised by specifying `extern "C"`. (backport <rust-lang#4254>) (cherry picked from commit c9a71dc)

Having this environment variable set causes a segfault [1]. Just disable backtraces for now. [1]: rust-lang/rust#132185 (backport <rust-lang#4254>) (cherry picked from commit 8d8a199)

This field appears to have been added recently [1]. [1]: freebsd/freebsd-src@b4663a8 (backport <rust-lang#4254>) (cherry picked from commit f691a1a)

As mentioned in [1], this test has started to fail for unclear reasons. Disable this until it can be investigated further. [1]: rust-lang#4254 (comment) (backport <rust-lang#4254>) (cherry picked from commit eb7045b)

Recent versions of Rust require the ABI always be specified for `extern` functions, whereas it historically defaulted to `extern "C"`. Fix a few cases where this lint now gets raised by specifying `extern "C"`. (backport <rust-lang#4254>) (cherry picked from commit c9a71dc)

Having this environment variable set causes a segfault [1]. Just disable backtraces for now. [1]: rust-lang/rust#132185 (backport <rust-lang#4254>) (cherry picked from commit 8d8a199)

This field appears to have been added recently [1]. [1]: freebsd/freebsd-src@b4663a8 (backport <rust-lang#4254>) (cherry picked from commit f691a1a)

As mentioned in [1], this test has started to fail for unclear reasons. Disable this until it can be investigated further. [1]: rust-lang#4254 (comment) (backport <rust-lang#4254>) (cherry picked from commit eb7045b)

tgross35 added the stable-nominated This PR should be considered for cherry-pick to libc's stable release branch label Jan 27, 2025

rustbot added the S-waiting-on-review label Jan 27, 2025

Fix the missing_abi lint

c9a71dc

Recent versions of Rust require the ABI always be specified for `extern` functions, whereas it historically defaulted to `extern "C"`. Fix a few cases where this lint now gets raised by specifying `extern "C"`.

tgross35 force-pushed the fix-missing-abi branch from f381666 to c9a71dc Compare January 27, 2025 07:05

tgross35 enabled auto-merge January 27, 2025 07:05

tgross35 mentioned this pull request Jan 27, 2025

Remove pthread_set_name_np from NuttX #4251

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3 tasks

rustbot added the A-CI Area: CI-related items label Jan 27, 2025

tgross35 mentioned this pull request Jan 27, 2025

Tracking Issue for enabling the linker-messages lint by default rust-lang/rust#136096

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16 tasks

devnexen mentioned this pull request Jan 27, 2025

Fix macros attempt. #4253

Closed

This was referenced Jan 27, 2025

hurd: Fix CMSG_DATA on 64bit systems #4240

Merged

Add in the sigtrap si_codes #4225

Merged

tgross35 added this pull request to the merge queue Jan 28, 2025

github-merge-queue bot removed this pull request from the merge queue due to failed status checks Jan 28, 2025

This was referenced Jan 30, 2025

Use Rust union types #2056

Merged

Apply modulo 256 to BSD WEXITSTATUS #4213

Merged

Disable RUST_BACKTRACE for FreeBSD CI

8d8a199

Having this environment variable set causes a segfault [1]. Just disable backtraces for now. [1]: rust-lang/rust#132185

tgross35 force-pushed the fix-missing-abi branch from 63d0b62 to 8d8a199 Compare February 5, 2025 08:01

rustbot added the O-unix label Feb 5, 2025

tgross35 changed the title ~~Fix the missing_abi lint~~ Resolve various CI issues Feb 5, 2025

FreeBSD: Add the new st_filerev field to stat32 for FreeBSD 15

f691a1a

This field appears to have been added recently [1]. [1]: freebsd/freebsd-src@b4663a8

Temporarily disable powerpc-unknown-linux-gnu tests

eb7045b

As mentioned in [1], this test has started to fail for unclear reasons. Disable this until it can be investigated further. [1]: rust-lang#4254 (comment)

tgross35 force-pushed the fix-missing-abi branch from f436699 to eb7045b Compare February 5, 2025 10:10

tgross35 added this pull request to the merge queue Feb 5, 2025

Merged via the queue into rust-lang:main with commit 9ea78dc Feb 5, 2025
44 checks passed

tgross35 deleted the fix-missing-abi branch February 5, 2025 11:03

tgross35 mentioned this pull request Feb 14, 2025

[0.2] Backports #4266

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github-actions bot mentioned this pull request Feb 14, 2025

chore: release v0.2.170 #4219

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tgross35 added stable-applied This PR has been cherry-picked to libc's stable release branch and removed stable-nominated This PR should be considered for cherry-pick to libc's stable release branch labels Feb 14, 2025

github-actions bot mentioned this pull request Feb 16, 2025

chore: release v0.2.170 yuki0iq/libc#1

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Resolve various CI issues #4254

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