AC_ARG_ENABLE(pop, AC_HELP_STRING([--enable-pop], [Enable POP3 support]),
[ if test x$enableval = xyes ; then
AC_DEFINE(USE_POP,1,[ Define if you want support for the POP3 protocol. ])
AC_ARG_ENABLE(pop, AC_HELP_STRING([--enable-pop], [Enable POP3 support]),
[ if test x$enableval = xyes ; then
AC_DEFINE(USE_POP,1,[ Define if you want support for the POP3 protocol. ])