code: def _rpm_py_has_popt_devel_dep(self):
          
          found = False
          with open('../include/rpm/rpmlib.h') as f_in:
              for line in f_in:
                  if re.match(r'^#include .*popt.h.*$', line):
                      found = True
                      break
          return found
docs: Check if the RPM Python binding has a depndency to popt-devel.
  
          Search include header files in the source code to check it.