for older autoconf's, use a dumb definition of AC_HELP_STRING
for older autoconf's, use a dumb definition of AC_HELP_STRING
FranklinChen/Hugs,FranklinChen/Hugs,FranklinChen/Hugs,FranklinChen/Hugs,FranklinChen/Hugs,FranklinChen/Hugs,FranklinChen/Hugs