Function get_version_helper

configure.py:1363–1377

(cc, regexp)

# https://github.com/openssl/openssl/blob/OpenSSL_1_0_2-stable/crypto/sha/asm/sha512-x86_64.pl#L112-L129
#
def get_version_helper(cc, regexp):
  try:
    proc = subprocess.Popen(shlex.split(cc) + ['-v'], stdin=subprocess.PIPE,
                            stderr=subprocess.PIPE, stdout=subprocess.PIPE)
  except OSError:
    error('''No acceptable C compiler found!

       Please make sure you have a C compiler installed on your system and/or
       consider adjusting the CC environment variable if you installed
       it in a non-standard prefix.''')

  with proc:
    match = re.search(regexp, to_utf8(proc.communicate()[1]))

  return match.group(2) if match else '0.0'

def get_nasm_version(asm):
  try: