to libclang-cpp.so similar to libLLVM.so. This is required when
multiple versions of the library are loaded into the same
process. (boo#1219405, boo#1221183, boo#1233220)
- Require libffi when we build openmp for offloading.
- Correct target name for libomptarget in file list.
- Update llvm16.keyring from upstream.
OBS-URL: https://build.opensuse.org/package/show/devel:tools:compiler/llvm16?expand=0&rev=38
