llvm-toolchain-22_22.1.8-2_source.changes ACCEPTED into unstable

Sun Sep 27 07:49:29 BST 2026

Thank you for your contribution to Debian.

Accepted:

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Hash: SHA512

Format: 1.8
Date: Sat, 25 Jul 2026 18:43:43 +0200
Source: llvm-toolchain-22
Architecture: source
Version: 1:22.1.8-2
Distribution: unstable
Urgency: medium
Maintainer: LLVM Packaging Team <pkg-llvm-team at lists.alioth.debian.org>
Changed-By: Matthias Klose <doko at debian.org>
Closes: 1137244 1138702 1141868 1142548 1142778 1147573
Changes:
 llvm-toolchain-22 (1:22.1.8-2) unstable; urgency=medium
 .
   [ Sylvestre Ledru ]
   * d/rules: retry the documentation build serially when sphinx's parallel
     workers die (bare "EOFError" from multiprocessing after a successful
     compile, trixie amd64/arm64 2026-09-02/03)
   * d/rules: set SCCACHE_IDLE_TIMEOUT=0 so the sccache server stays alive for
     the whole build; otherwise it idles out (default 600s) during the quiet
     final-link phase and the libfuzzer step auto-spawns a default-config server
     writing to $HOME/.cache/sccache, which fails with HOME=/nonexistent
   * d/rules: use the shared GCS sccache cache on arm64 too (add arm64 to the
     GCP arch filter)
   * d/rules: Disable sccache on the releases whose glibc is too old for the
     binary the build host provides. /opt/sccache/sccache comes from
     mozilla/sccache's latest release and, on s390x (the only arch without a
     static musl build), needs glibc >= 2.34 since v0.17.0. On focal
     (glibc 2.31) it cannot even start, and the build died at --start-server
     with "version `GLIBC_2.34' not found" in stamps/configure.
   * d/rules: Drop llvm-mt from the install list when it wasn't built.
     Upstream only builds llvm-mt when it detects libxml2 at configure
     time; on Ubuntu focal/arm64 the libxml2 symbol check fails and the
     tool is silently skipped, which made dh_install --fail-missing abort
     on usr/lib/llvm-22/bin/llvm-mt and usr/bin/llvm-mt-22.
   * Add a test for the wasi path detection. Thanks Max Gilmour for the work
     (Closes: #1138702)
   * d/control.in: libfuzzer-X.Y-dev now depends on libclang-rt-X.Y-dev.
     -fsanitize=fuzzer links libclang_rt.fuzzer*.a (and
     libclang_rt.ubsan_standalone.a) from the compiler-rt resource
     directory, which lives in libclang-rt-X.Y-dev. As it was only a
     Recommends of libclang-common-X.Y-dev, it was not pulled into build
     chroots and the link failed. Closes: #1147573.
   * d/debian-llvm-testsuite.bats: don't skip the libFuzzer compilation test
     when the compiler-rt libraries are missing, fail instead.
   * d/libmlir-X.Y.links.in: new, keep a /usr/lib/llvm-X.Y/lib symlink to the
     libMLIR SONAME now installed in /usr/lib/<triplet>. libmlir-X.Y-dev
     ships /usr/lib/llvm-X.Y/lib/libMLIR.so as a relative symlink to it and
     the mlir tools have that directory in their RUNPATH, so both were left
     dangling.
   * d/debian-llvm-testsuite.bats: link the fuzzer runtime from the
     compiler-rt resource directory instead of the removed
     /usr/lib/llvm-X.Y/lib/libFuzzer.a, and check that it is present.
   * d/control.in: document that libfuzzer-X.Y-dev is now a dependency
     package: the fuzzer runtime (libclang_rt.fuzzer*.a) and
     FuzzedDataProvider.h come from the compiler-rt resource directory in
     libclang-rt-X.Y-dev, which is what clang links for -fsanitize=fuzzer.
     This also avoids the empty-binary-package lintian warning.
 .
   [ Talha Can Havadar ]
   * d/p/amdgpu-fix-simulated-trap-continuation-block.diff: cherry-pick
     llvm/llvm-project at 9429a1e809fd (PR #174774,
     "[AMDGPU] Fix insertSimulatedTrap to return correct continuation block")
     Fixes a codegen crash on gfx1100/gfx1101/gfx1102 (RDNA3 desktop:
     RX 7900/7800/7700/7600) where clang aborts with
     "fatal error: error in backend: Unsupported instruction : <MCInst NNNN ...>"
     from the AMDGPU AsmPrinter whenever a kernel contains a block that ends in
     llvm.trap() with no successors — an unlowered pseudo reaches the MC layer.
     Notably affects pytorch-rocm 2.12's Loss.hip (FTBFS). Reported upstream as
     llvm/llvm-project#208912. Fix landed on main branch on 2026-01-21 (LLVM 23);
     release/22.x was cut 8 days before and never received it. This cherry-pick
     lets 22.1.x carry the fix without waiting for a 22.1.9 or 22.2.0 point
     release upstream. (Closes: #1141868)
 .
   [ Matthias Klose ]
   * Fix removing RUNPATH, broken in Nov. 2025. Closes: #1142548.
   * Stop building, shipping and testing the obsolete libFuzzer.a.
     Closes: #1147573.
   * Install libmlir shared library in /usr/lib. Closes: #1142778.
   * libmlir: Remove provides, conflicts and replaces. Not needed.
     Closes: #1137244.
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Files:
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 9c21723eb868497995784b37aa5c48d1 183300 devel optional llvm-toolchain-22_22.1.8-2.debian.tar.xz
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