On Sat, Apr 1, 2023, at 11:38 PM, Paul Eggert wrote: > This is surely a bug in mcpp's configure.ac: it's greatly underquoted. I > don't recall ever seeing a script that underquoted before. Agreed, that looks like the authors quoted things only when they absolutely had to. > * lib/autoconf/programs.m4 (_AC_PATH_PROG_FLAVOR_GNU): > Add two ‘@%:@(’s to cater to underquoted callers. > * lib/m4sugar/m4sh.m4 (_AS_PATH_WALK): Use quadrigraph instead of > ‘#’, for underquoted callers. Should we convert these to AS_CASE instead maybe? Or would that not help? I'll experiment. zw
