Re: \{n\} are not recognized as repetition counter in regular expressions.

Paul Eggert <[email protected]> Thu, 22 May 2025 12:30:37 -0700
Newsgroups gmane.comp.lib.gnulib.bugs,gmane.comp.gnu.m4.bugs,gmane.comp.sysutils.autoconf.bugs
Organization UCLA Computer Science Department
Message-ID <[email protected]>
On 2025-05-22 10:42, Eric Blake wrote:
> BSD has tried hard to make their m4 be a drop-in replacement
> enough that autoconf will use it instead of mandating GNU m4

Is this a real problem, though? I just now tried running Autoconf's 
'configure' on FreeBSD 15, and FreeBSD 15's /usr/bin/m4 quickly failed 
Autoconf's 'configure' test because it didn't support GNU m4's -F option.