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Here are the relevant commit logs:
commit d0b995da369b67a38c7af5db2aefc85474f98930
Author: Sylvestre Ledru <sylvestre@debian.org>
Date: Mon Aug 3 22:03:23 2026 +0200
d/rules: only enable sccache if the binary actually runs
The s390x sccache release is a glibc build (upstream ships no working musl
one for that arch), linked against glibc >= 2.34. On focal (2.31) it fails
to load, so --start-server returned non-zero and the build FTBFS at
configure. `test -e` was not enough of a check; probe with --version and
build without sccache when it does not run.
commit 681d3aadd929d9d3b501598c9c144a760366c9ee
Author: Sylvestre Ledru <sylvestre@debian.org>
Date: Mon Aug 3 15:24:12 2026 +0200
Fix docs build on jammy: "cmake -E env --modify" needs cmake >= 3.25
Upstream 42ff45b865b1 ("[docs] Create utils/docs") injects utils/docs into
PYTHONPATH with "cmake -E env --modify", but --modify was only added in
CMake 3.25 while LLVM still requires 3.20. jammy ships cmake 3.22.1, so
every docs-*-man / docs-*-html target failed with
"cmake -E env: unknown option '--modify'".
commit 7938dd614cf23e69ede0d88d42e4c3059ef9bfcd
Author: Sylvestre Ledru <sylvestre@debian.org>
Date: Sun Aug 2 08:59:37 2026 +0200
Remove llvm-sim - 1cf3b70dab75 - "[IPO] Remove IR Outliner (#211971)"
commit e16519f33d0dc286eb9a4d677f180d299354ee1b
Author: Sylvestre Ledru <sylvestre@debian.org>
Date: Thu Jul 30 09:58:16 2026 +0200
disable the new theme
commit 39db155fafe4b9be9af44eb7ae813385feaaa6ab
Author: Sylvestre Ledru <sylvestre@debian.org>
Date: Wed Jul 29 16:30:42 2026 +0200
New snapshot release
commit 6d1c1f133ad19ab12434385d9b93cccd0a13d355
Author: Sylvestre Ledru <sylvestre@debian.org>
Date: Wed Jul 29 16:30:09 2026 +0200
remove patch applied upstream
commit 46fafc46c547dd90a433dc5444f7885923c2e0b9
Merge: 45d616d e989f06
Author: Sylvestre Ledru <sylvestre@debian.org>
Date: Wed Jul 29 13:40:18 2026 +0000
Merge branch 'flang_module_location' into 'snapshot'
new location for Flang intrinsic modules
See merge request pkg-llvm-team/llvm-toolchain!227
commit e989f06d63ced989064e30a8cb201f772aa293fe
Author: Michael Kruse <meinersbur@Bergufflen.localdomain>
Date: Wed Jul 29 15:18:08 2026 +0200
new location for Flang intrinsic modules
commit 45d616dcd593c3023f322ccc4e88ec5bed19df4e
Author: Sylvestre Ledru <sylvestre@debian.org>
Date: Mon Jul 27 14:58:21 2026 +0200
rebase of the patches
commit f85ddb1eee8972e77db2213f90dad0ed263f394b
Merge: 5fecf3a 1138abd
Author: Sylvestre Ledru <sylvestre@debian.org>
Date: Fri Jul 24 19:57:48 2026 +0000
Merge branch '19' into 'snapshot'
Add patch for linux/scc.h removal
See merge request pkg-llvm-team/llvm-toolchain!225
commit 1138abd8f360576dd8513a3a7e4a92502d977fed
Author: Karl Smeltzer <karl.smeltzer@canonical.com>
Date: Fri Jul 24 12:37:37 2026 -0700
changelog
commit a57a5e3e4f7a4f8ed49274c8dddfc338093e7994
Author: Karl Smeltzer <karl.smeltzer@canonical.com>
Date: Fri Jul 24 12:36:56 2026 -0700
fix removal of scc.h
commit 5fecf3a47c5b20a84193d39205b42005f84bafcb
Author: Samuel Thibault <samuel.thibault@ens-lyon.org>
Date: Tue Jun 16 02:36:34 2026 +0200
d/rules: Re-enable compiler-rt on hurd-amd64
commit ceb2b6fa68f942babd393cca8965493af73333a0
Author: Sylvestre Ledru <sylvestre@debian.org>
Date: Tue Jul 21 10:31:56 2026 +0200
rebase fof the patches
commit 9f1a5bcdc6621541ca34c10754a21d15b18a2a4e
Author: Sylvestre Ledru <sylvestre@debian.org>
Date: Wed Jul 15 04:02:41 2026 +0200
rebase of the patches
commit 82a0e9cafbff860347fa5c4e172aca7ffc10d466
Author: Sylvestre Ledru <sylvestre@debian.org>
Date: Tue Jul 14 21:38:42 2026 -0400
snapshot is now 24
commit b7c4207a6926d3c5b1fc3df90920a1376b280da5
Author: Sylvestre Ledru <sylvestre@debian.org>
Date: Tue Jul 14 21:23:53 2026 -0400
snapshot is now 24
commit 70c97abea3461c31cd34dfb51d8084c1dee935de
Author: Sylvestre Ledru <sylvestre@debian.org>
Date: Tue Jul 14 05:34:10 2026 +0200
rebase of the patches
commit 99246af67e901e0c28845f973383e35fd5737afb
Author: Sylvestre Ledru <sylvestre@debian.org>
Date: Tue Jul 7 01:23:13 2026 +0200
rebase of the patches
commit 71d0c460e437ab3ce21b0a1eec85a7533466b19e
Author: Sylvestre Ledru <sylvestre@debian.org>
Date: Mon Jun 29 22:46:52 2026 +0200
rebase of the patches
commit 0b981cfe3e836336e69697a3f9c3eaa04254ca4e
Author: Sylvestre Ledru <sylvestre@debian.org>
Date: Fri Jun 26 11:50:54 2026 +0200
rules: set PYTHONPATH=utils/docs for the manual sphinx-build doc step
Upstream's llvm/docs/conf.py and clang/docs/conf.py now do
'from llvm_sphinx import *', a package shipped at the monorepo top-level
utils/docs/. CMake injects that dir into sphinx-build's PYTHONPATH, but
our debian/rules build_doc target runs sphinx-build directly to produce
the man pages, so it failed with ModuleNotFoundError: No module named
'llvm_sphinx'. Export PYTHONPATH=$(CURDIR)/utils/docs to match.
commit e4f51047222e90653ba42502a3b7ea4b9187e0f1
Author: Sylvestre Ledru <sylvestre@debian.org>
Date: Fri Jun 26 08:22:56 2026 +0200
rebase of the patches
commit de86c81bdf85eda01d826ad100b0d5e1103d07ae
Author: Sylvestre Ledru <sylvestre@debian.org>
Date: Wed Jun 24 22:46:08 2026 +0200
rebase of the patches
commit 1c860b0ae14343fc2843d45711ef52fed63c2cbe
Author: Sylvestre Ledru <sylvestre@debian.org>
Date: Wed Jun 24 12:05:17 2026 +0200
d/rules: keep sccache server alive (SCCACHE_IDLE_TIMEOUT=0) + use GCS cache on arm64
The libfuzzer step calls sccache directly with no backend env, long after the
server was started in configure. With the default 600s idle timeout the server
dies during the sccache-quiet final-link phase, so libfuzzer auto-spawns a
default-config server that writes to $HOME/.cache/sccache and fails with
HOME=/nonexistent. Set SCCACHE_IDLE_TIMEOUT=0 on both --start-server calls so
the configured server (GCS or local) stays up for the whole build. Also add
arm64 to the GCP arch filter so it uses the shared GCS cache like amd64.
commit fc99deb878745c84cb427283180963a6a2460c65
Author: Sylvestre Ledru <sylvestre@debian.org>
Date: Mon Jun 22 22:38:58 2026 +0200
rebase of the patches
commit 0a54c62bedeade93470149eb6f8cd8c57b5cd362
Author: Sylvestre Ledru <sylvestre@debian.org>
Date: Fri Jun 19 12:03:40 2026 +0200
rebase of the patches
commit 05c372c05dd03f335f600b5f0bd2e40f7b1d372c
Author: Sylvestre Ledru <sylvestre@debian.org>
Date: Thu Jun 18 18:00:03 2026 +0200
rebase of the patches
commit 80feaa5d8de7949b72e5ae62b124a05fe6df6c4b
Author: Sylvestre Ledru <sylvestre@debian.org>
Date: Tue Jun 16 15:47:43 2026 +0200
d/rules: drop llvm-mt from install list when not built (focal/arm64)
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, making dh_install --fail-missing abort on
usr/lib/llvm-23/bin/llvm-mt and usr/bin/llvm-mt-23.
commit 308f18004a22d1915d790da38e9aece4b46b6c4c
Author: Sylvestre Ledru <sylvestre@debian.org>
Date: Mon Jun 15 10:19:36 2026 +0200
also use sccache on arm64
commit f3e5e9e707a5f405346b4330de81d7386aeaa451
Author: Sylvestre Ledru <sylvestre@debian.org>
Date: Mon Jun 15 09:04:34 2026 +0200
d/rules: disable Z3 solver on focal (libz3 < 4.8.9)
LLVM requires Z3 >= 4.8.9. focal ships libz3 4.8.7, so the forced
LLVM_ENABLE_Z3_SOLVER=ON made the stage-2 cmake configure fail with
'cannot be enabled when Z3 is not available'. Clear Z3_ARCHS for those
releases via a Z3_DISABLE_DISTRO list -> Z3_FLAG=OFF and the libz3-dev
build-dep is dropped there. bullseye+ (libz3 >= 4.8.10) keep it on.
commit 1c1a6579ecc0e6ff17c5b1972b0a04870d71fa64
Author: Sylvestre Ledru <sylvestre@debian.org>
Date: Sun Jun 14 21:24:06 2026 +0200
d/rules: fix libclang-rt-dev/-dev-win windows file conflict and focal sccache parse error
- Remove the Windows compiler-rt builtins from libclang-rt-X.Y-dev (they
belong to -dev-win). The greedy lib/*/*clang_rt* glob put them in both
packages -> dpkg 'trying to overwrite' -> autopkgtest install failure on
bookworm. Drop the ineffective rm -f in override_dh_auto_install (wrong
stage + wrong path + cannot rm a dir) and add rm -fr after dh_install.
- De-tab the sccache SCCACHE_BASEDIR version-guard block so the $(warning)
line is not parsed as a recipe ('recipe commences before first target')
on distros with sccache < 0.14 (e.g. focal).
commit f9491238ea7167b2b9781505b600dccabbb9b84b
Author: Sylvestre Ledru <sylvestre@debian.org>
Date: Sun Jun 14 19:07:23 2026 +0200
fix control after rebase
commit 52a8beae37cd694cdfcfce73da21aa580bd0edb7
Author: Sylvestre Ledru <sylvestre@debian.org>
Date: Sun Jun 14 19:05:16 2026 +0200
fix the rebase
commit 7d3f0f1e855fd805a51f292d66c31f3ec968b421
Author: Sylvestre Ledru <sylvestre@debian.org>
Date: Sun Jun 14 16:25:36 2026 +0200
d/rules: set SCCACHE_BASEDIR to keep sccache cache hits across the changing build directory paths
commit c172c2f6094c55a9ca4df27d6d0d7d4e2da59594
Author: Sylvestre Ledru <sylvestre@debian.org>
Date: Sun Jun 14 15:32:38 2026 +0200
rebase of the patches
commit c620afbdda7eed7391b02c45d0e85dd76ffc9cca
Merge: 54345ff 92e0377
Author: Sylvestre Ledru <sylvestre@debian.org>
Date: Sun Jun 14 13:46:03 2026 +0200
Merge remote-tracking branch 'origin/22' into snapshot
# Conflicts:
# debian/build-wasm-mingw.mk
# debian/control
# debian/control.in
# debian/packages.libclc
# debian/patches/compiler-rt/emutls-win32-winnt-vista.diff
# debian/patches/disable-omptest.diff
# debian/patches/disable-openmp-per-target.diff
# debian/patches/issue-54242.diff
# debian/patches/lldb/lldb-soname.diff
# debian/patches/llvm-runtimes-builtins-build-check.diff
# debian/patches/openmp-fix-runtimes-build.diff
# debian/patches/series
# debian/rules
# debian/tests.mk
# debian/unpack.sh
commit 92e037709e8df35e61d68e731b82475fd722649e
Author: Sylvestre Ledru <sylvestre@debian.org>
Date: Sun Jun 14 10:45:58 2026 +0200
lldb: ship a system-wide /etc/lldb/lldbinit, configuring the distro debuginfod server on Debian and Ubuntu. Thanks to Norbert Lange for the patch
commit 803529dadcafa885922bca06f4071196dc968ce1
Author: Sylvestre Ledru <sylvestre@debian.org>
Date: Sun Jun 14 10:44:03 2026 +0200
orig-tar.sh: use "New upstream release" for dot releases
commit 03edc70c353d6715bfe1d15ca5b48eeeb522666a
Author: Sylvestre Ledru <sylvestre@debian.org>
Date: Sun Jun 14 10:40:28 2026 +0200
* New upstream release
* lldb: ship a system-wide /etc/lldb/lldbinit, configuring the distro
debuginfod server on Debian and Ubuntu.
Thanks to Norbert Lange for the patch
commit ebec4f64590544087f60feafda1a76e7443c2045
Merge: 0837823 8d3b66b
Author: Sylvestre Ledru <sylvestre@debian.org>
Date: Sun Jun 14 08:24:10 2026 +0000
Merge branch 'lldb_global_config' into '22'
lldb: add a default config file
See merge request pkg-llvm-team/llvm-toolchain!219
commit 54345ff1173edade2bd4f46b6bb28905b5b2dd67
Merge: 504587d f86075c
Author: Sylvestre Ledru <sylvestre@debian.org>
Date: Sun Jun 14 08:23:37 2026 +0000
Merge branch 'add-patch-headers' into 'snapshot'
Add patch headers to certain undocumented patches
See merge request pkg-llvm-team/llvm-toolchain!218
commit 504587dfe8d9b5a20f4f65f4277c3d67505dfdc7
Author: Sylvestre Ledru <sylvestre@debian.org>
Date: Sat Jun 13 12:18:00 2026 +0200
rebase of the patches
commit 8d3b66b3e23ee7aff6a5ed2c1a6c455a015720ff
Author: Norbert Lange <nolange79@gmail.com>
Date: Fri Jun 12 10:42:31 2026 +0200
lldb: add a default config file
Install /etc/lldb/lldbinit.
If on Debian or Ubuntu, configure the distro debuginfod server. Otherwise the file only contains comments.
commit f86075c35f573398ff8d6411099fdfd9c50db793
Author: Max Gilmour <max.gilmour@canonical.com>
Date: Fri Jun 5 10:09:17 2026 -0700
Add patch headers to certain undocumented patches
Edited patches:
- d/p/clang-baseline-fix-i386.patch
- d/p/clang-arm-default-vfp3-on-armv7a.patch
- d/p/openmp-soname.diff
- d/p/clang-format-version.diff
commit cfdc1713195d5849ae87ddeca2a4c238d6ba85ea
Author: Sylvestre Ledru <sylvestre@debian.org>
Date: Sat May 30 14:11:25 2026 +0200
rebase of the patches
commit 848f1921d6638e253e906419dbfdbc70c38b4bd7
Author: Sylvestre Ledru <sylvestre@debian.org>
Date: Fri May 29 19:36:25 2026 +0200
rebase of the patches
commit f23e6da937b54ced32de2cbbb8866e444c14e2a4
Author: Sylvestre Ledru <sylvestre@debian.org>
Date: Thu May 28 10:42:19 2026 +0200
rebase of the patches
commit 9d3c2e0bcd11c2fc40356c4fd8be3fc469edbb70
Author: Sylvestre Ledru <sylvestre@debian.org>
Date: Wed May 27 09:21:13 2026 +0200
fix changelog
commit 8e69ed4923ca4cce028134a2298c2fe04f2f2538
Author: Sylvestre Ledru <sylvestre@debian.org>
Date: Wed May 27 09:18:38 2026 +0200
offload: restore VERSION/SOVERSION on LLVMOffload and omptarget
Upstream commit 3383f0d6fe01 ("[Offload] Fix build install directory
and remove 'add_llvm_library'") replaced add_llvm_library() with plain
add_library() for the LLVMOffload and omptarget shared libraries.
add_llvm_library() implicitly set VERSION/SOVERSION to
LLVM_VERSION_MAJOR.LLVM_VERSION_MINOR, producing
libLLVMOffload.so.23.0 and libomptarget.so.23.0.
Without that, the libraries are installed unversioned and dh_install
fails to find them. Add a Debian patch that re-applies the
set_target_properties() needed to keep the versioned SONAME.
commit a6580713fcb117981cd8ed9f3b99c6c5f6bea2e4
Author: Sylvestre Ledru <sylvestre@debian.org>
Date: Tue May 26 22:48:06 2026 +0200
wasm: skip libcxx ibm.h _l/vasprintf fallbacks on WASI
The libcxx ibm.h fallback redeclares strtod_l/strtof_l/strtold_l and
vasprintf as inline with _LIBCPP_HIDE_FROM_ABI, which adds __abi_tag__.
WASI's libc already declares these without abi_tag, and clang rejects
adding abi_tag in a redeclaration, breaking the wasm32-wasi libcxx
build. Skip the fallback definitions on __wasi__.
commit 64148fdf50f4c984a49185c1ce5d04a83e78a704
Author: Sylvestre Ledru <sylvestre@debian.org>
Date: Sat May 23 17:30:22 2026 +0200
enable PRIF (coarray) support thanks to Alastair McKinstry (Closes: #1136346)
commit bad7ef5714bb8bacee49b638ecab98fd3cfbbc8d
Author: Sylvestre Ledru <sylvestre@debian.org>
Date: Fri May 22 19:36:09 2026 +0200
rebase of the patches
commit c5574c7cae51ff2488f6a2cbd60aa5c939eef652
Author: Sylvestre Ledru <sylvestre@debian.org>
Date: Sat May 16 09:19:43 2026 +0200
rebase of the patch
commit aa9fb6b42d4829a428aa471500002d23dc9b9e9f
Author: Sylvestre Ledru <sylvestre@debian.org>
Date: Sat May 9 23:48:31 2026 +0200
libclc: drop spirv-unknown-vulkan from LIBCLC_TARGETS_LIST. The logical SPIR-V arch (spirv) routes to clang's SPIRVTargetInfo, whose validateTarget() requires a fully versioned Vulkan OS plus a shader-stage environment (Pixel..Amplification) and rejects bare "vulkan" with "SPIR-V target requires a valid shader stage environment". Keep only spirv64-unknown-vulkan, which uses SPIRV64TargetInfo and has no such check.
commit 499686812eb3d170a557d52f8e4fa3fea7877dee
Author: Sylvestre Ledru <sylvestre@debian.org>
Date: Sat May 9 08:11:05 2026 +0200
try to unbreak the build with offload on bullseye
commit a95cfebc381123af9ed17b18a7d53d9ab1d5aa9b
Author: Sylvestre Ledru <sylvestre@debian.org>
Date: Sat May 9 07:55:09 2026 +0200
libclc: replace clspv--/clspv64-- with spirv-unknown-vulkan/ spirv64-unknown-vulkan triples (upstream 6ef9671 removed the clspv archs).
commit 0e9548b90c869fe08a73f4873c9dafe26ef3f88a
Author: Sylvestre Ledru <sylvestre@debian.org>
Date: Thu May 7 22:03:16 2026 +0200
d/rules: work around flang SIGILL on trixie/arm64
On Debian trixie/arm64 the freshly-built flang binary aborts with
"Illegal instruction" when invoked on __fortran_builtins.f90 during
the stage 2 build, breaking the snapshot. Strip -mbranch-protection=*
from CFLAGS/CXXFLAGS/LDFLAGS so the produced binary doesn't use PAC/BTI
codegen. Scoped to Debian-trixie-arm64 only to avoid affecting other
suites or derivatives.
commit bc02b89fbe689fbe4ff7670147bafd2db1b1d30d
Author: Sylvestre Ledru <sylvestre@debian.org>
Date: Tue May 5 11:24:04 2026 +0200
d/build-wasm-mingw.mk: Rename d/cross-build.mk to d/build-wasm-mingw.mk for clarity (the file only covers the wasm and mingw cross-builds, not all cross-compilation work). Update the include in debian/rules and the changelog entry accordingly.
commit ffb939c1a52184756c25ba8f5f03433811dee20e
Author: Sylvestre Ledru <sylvestre@debian.org>
Date: Tue May 5 11:14:13 2026 +0200
d/cross-build.mk: Move the wasm32/wasm64 + mingw-w64 compiler-rt and libcxx pattern rules, the STAGE_2_WASM_C(XX)FLAGS filters and the stamps/debian-{wasm,mingw}-build aggregators into a dedicated include file. Pure relocation, no behavioural change.
https://salsa.debian.org/api/v4/projects/pkg-llvm-team%2Fllvm-toolchain API request failed: 401 Unauthorized at /srv/qa.debian.org/data/vcswatch/vcswatch line 410.
![[bug history graph]](https://qa.debian.org/data/bts/graphs/l/llvm-toolchain-snapshot.png){kind=link}