* Mark Wielaard: > Hi Florian, > > On Thu, 2023-02-16 at 11:48 +0100, Florian Weimer via Elfutils-devel > wrote: >> * Mark Wielaard: >> >> > + [AC_MSG_ERROR([__cxa_demangle not found in libstdc++ use >> > --disable-demangler to disable demangler support.])]), >> >> Missing punctuation after libstdc++? > > You probably mean you like to see a comma after libstdc++?
Comma or semicolon. > That sounds reasonable. But I had to double quote the argument to > AC_MSG_ERROR, otherwise the comma was seen as a argument separator? Ohh. I had not consider that. > Which I find slightly odd, but I don't fully grok autoconf quotes. > > Does the following do what you expect? Yes, but even though I patched dozens of m4 files lately, I still don't get the quoting rules. For me, it's mostly “add […] until it breaks, then remove one layer” … Thanks, Florian
