On Wed, 2013-08-21 at 11:13 -0700, Darren Hart wrote: > +if test "x$enable_biostest" != "xno"; then Use AS_IF() please; systemd's current configure.ac is not consistent in this respect, but it will save debugging painful m4 crap later: https://bugzilla.gnome.org/show_bug.cgi?id=681413