clover: Test if detected clang libraries are usable
clang-cpp.so is broken in LLVM-9 and doesn't exist in LLVM<9. meson will find the library in system dirs and try to use it
Fixes: ff1a3a00 Signed-off-by: Jan Vesely jano.vesely@gmail.com
clang-cpp.so is broken in LLVM-9 and doesn't exist in LLVM<9. meson will find the library in system dirs and try to use it
Fixes: ff1a3a00 Signed-off-by: Jan Vesely jano.vesely@gmail.com