AC_ARG_WITH(profile4, [ --with-profile4=yes,no If you want to install the 4.0 FX (defaults to yes)], [], [with_profile4=yes])
AC_ARG_WITH(profile4_5,[ --with-profile4_5=yes,no If you want to install the 4.5 FX (defaults to yes)], [], [with_profile4_5=yes])
AC_ARG_WITH(monodroid, [ --with-monodroid=yes,no If you want to build the MonoDroid assemblies (defaults to no)], [], [with_monodroid=no])
AC_ARG_WITH(profile4, [ --with-profile4=yes,no If you want to install the 4.0 FX (defaults to yes)], [], [with_profile4=yes])
AC_ARG_WITH(profile4_5,[ --with-profile4_5=yes,no If you want to install the 4.5 FX (defaults to yes)], [], [with_profile4_5=yes])
AC_ARG_WITH(monodroid, [ --with-monodroid=yes,no If you want to build the MonoDroid assemblies (defaults to no)], [], [with_monodroid=no])