- No longer expect test failures on s390x that have disappeared.
- Add patch to fix segmentation fault on aarch64 - boo#1212264:
* llvm14-fix-segfault-on-aarch64.patch
- Make python3-clang noarch again and fix conflicts/provides to
point to %python3_sitelib instead of %python3_sitearch.
- Manage clang-cpp with update-alternatives like other binaries.
- Use %_target_* for determining the compiler host triple (boo#1218701)
- Use %patch -P N instead of deprecated %patchN.
- Fix PowerPC triples: use powerpc[64[le]] instead of ppc[64[le]].
- Disable test that fails on ppc64le.
- Explicitly define PYTHON3_EXECUTABLE, since python 3.11 is being
pulled in by cmake in SLE-15-SP6.
- Use old conflicts/provides for python3-clang on Leap.