Public bug reported:
Commit e66125ce24f6 ("UBUNTU: [Packaging] Add llvm-21-dev to build-depends
for perf", LP: #2138328) added llvm-21-dev as an unqualified Build-Depends
entry to enable LLVM-accelerated addr2line() in perf.
Because llvm-21-dev is not annotated with :native or an architecture
restriction, dpkg attempts to satisfy it for the target (cross)
architecture during cross-compilation (e.g. arm64 from amd64). Since
the llvm-21-dev package is not available for all cross targets or cannot
co-install alongside the native toolchain, cross-builds fail to resolve
build dependencies.
The fix (already applied in stonking as commit 2aebbf625fd4) makes three
changes to debian.master/control.stub.in:
- Replaces "llvm-21-dev" with "llvm-21-tools:native <!stage1>" so the
LLVM dependency is satisfied from the build host architecture.
- Adds "libllvm21 <!stage1>" as a separate library dependency.
- Adds "libstd-rust-dev" with an explicit architecture list.
This needs to be cherry-picked to resolute.
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
** Tags: packaging resolute
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https://bugs.launchpad.net/bugs/2165407
Title:
resolute: llvm-21-dev build-depends breaks cross-builds
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