Bug#967944: llvm-11 build/install failure on armhf, mipsel and mips64el

[Matthias Klose]

Package: src:llvm-toolchain-11
Version: 1:11.0.0~+rc1-1
Severity: important
Tags: sid bullseye

llvm-11 install failure on armhf, mipsel and mips64el:

[...]
dh_install --fail-missing
dh_install: warning: Compatibility levels before 10 are deprecated (level 9 in use)
dh_install: warning: Please use dh_missing --list-missing/--fail-missing instead
dh_install: warning: This feature will be removed in compat 12.
dh_install: warning: Cannot find (any matches for)
"/usr/lib/llvm-11/include/ompt-multiplex.h" (tried in ., debian/tmp)

dh_install: warning: libomp-11-dev missing files:
/usr/lib/llvm-11/include/ompt-multiplex.h
dh_install: error: missing files, aborting
make[1]: *** [debian/rules:767: override_dh_install] Error 25
make[1]: Leaving directory '/<<PKGBUILDDIR>>'