File baselibs.conf of Package llvm12

libLLVM12
libclang12
libLTO12
llvm12-devel
  provides "llvm-devel-<targettype> = <version>"
  conflicts "otherproviders(llvm-devel-<targettype>)"
clang12-devel
  provides "clang-devel-<targettype> = <version>"
  conflicts "otherproviders(clang-devel-<targettype>)"
llvm12-LTO-devel
  provides "llvm-LTO-devel-<targettype> = <version>"
  conflicts "otherproviders(llvm-LTO-devel-<targettype>)"