AM_PATH_CHECK is deprecated, so check it defined
AM_PATH_CHECK is deprecated, so check it defined

thedrow/r3,c9s/r3,c9s/r3,thedrow/r3,c9s/r3,sjones608/r3,sjones608/r3,sjones608/r3,thedrow/r3,thedrow/r3,c9s/r3,thedrow/r3,RickySu/r3,sjones608/r3,RickySu/r3,sjones608/r3,c9s/r3,RickySu/r3,RickySu/r3,RickySu/r3