code: def run_build_lib(folder):
      
      try:
          retcode = subprocess.call("cd %s; make" % folder, shell=True)
          retcode = subprocess.call("rm -rf _build/html/doxygen", shell=True)
          retcode = subprocess.call("mkdir _build", shell=True)
          retcode = subprocess.call("mkdir _build/html", shell=True)
          retcode = subprocess.call("cp -rf doxygen/html _build/html/doxygen", shell=True)
          if retcode < 0:
              sys.stderr.write("build terminated by signal %s" % (-retcode))
      except OSError as e:
          sys.stderr.write("build execution failed: %s" % e)
docs: Run the doxygen make command in the designated folder.