+dnl FreeBSD needs a bit of magic to bring getline() into scope.
+dnl We do this here rather than in (say) h/mh.h because this macro must
+dnl be defined before <stdio.h> is pulled in.
+AS_IF([test `uname` = FreeBSD],
+ [CPPFLAGS="$CPPFLAGS -D_WITH_GETLINE"])
+