Hi Jan, On Wed, Apr 21, 2021 at 09:21:26AM +0200, Jan Engelhardt wrote: > > On Wednesday 2021-04-21 04:17, Duncan Roe wrote: > >> >+if test -z "$DOXYGEN"; then > >> > >> If you use AS_IF above, you could also make use of it here :) > > > >Happy to do that, but could you spell out the actual line please? My grasp of m4 > >is tenuous at best - I only copy stuff that I see working elsewhere. > > AS_IF([test -z "$DOXYGEN], [what if true], [what if false]) > Can I use HAVE_DOXYGEN instead? Is this right: AS_IF(HAVE_DOXYGEN, [what if true], [what if false]) or this? AS_IF($HAVE_DOXYGEN, [what if true], [what if false]) > [...] Cheers ... Duncan.
