Concurrency
-----------
Package variants of one recipe (llvm-native, llvm-native.dev,
llvm-native.runtime) share a single target/<triple>/ directory and are
cooked concurrently by the cook_jobs thread pool, but every staging path
under it had a fixed name -- stage.tmp and sysroot.tmp. The variants
therefore raced: one renamed or removed the shared directory while a
sibling was still writing into it.
Canonicalize stage dir failed at '.../stage.tmp': No such file or directory
Renaming failed from '.../sysroot.tmp' to '.../sysroot': File exists
llvm-native cooks clean on its own -- verified, zero errors, all three
variants published -- but failed in every parallel build for this
reason. It was never a compile error, which is what the earlier
'C++/pthread header gaps' note in the config misattributed.
Both stage.tmp sites and the sysroot site now go through one
unique_tmp_dir() helper. A pid alone cannot disambiguate (the pool is
threads in one process), so a process-wide counter supplies uniqueness.
Config
------
Restore gcc-native, llvm-native and rust-native to redbear-full.
gcc-native was set to "ignore" and the other two were commented out as
'not needed for greeter proof'. Both forms are forbidden by AGENTS.md
ABSOLUTE RULE -- NEVER DELETE, NEVER IGNORE, NEVER COMMENT OUT, and by
local/AGENTS.md 'No build-excluded until ported packages': a package
that does not build gets ported, not excluded. llvm-native is required,
not optional -- it supplies the host LLVM dev tree that libclc and
Mesa's iris/radeonsi CLC path need.
vasilito
4fac89eec4