code: def has_library(compiler, libname):
      
      with tempfile.NamedTemporaryFile("w", suffix=".cpp") as srcfile:
          srcfile.write("int main (int argc, char **argv) { return 0; }")
          srcfile.flush()
          outfn = srcfile.name + ".so"
          try:
              compiler.link_executable(
                  [srcfile.name],
                  outfn,
                  libraries=[libname],
              )
          except setuptools.distutils.errors.LinkError:
              return False
          if not os.path.exists(outfn):
              return False
          os.remove(outfn)
      return True
docs: Return a boolean indicating whether a library is found.