background
Compile indent-2.2.12, call instruction bootstrap, error message:
#### running automake
Unescaped left brace in regex is deprecated here (and will be fatal in Perl 5.30), passed through in regex; marked by <-- HERE in m/\${ <-- HERE ([^ \t=:+{}]+)}/ at /usr/local/bin/automake line 3930.
automake (GNU automake) 1.14.1
Copyright (C) 2013 Free Software Foundation, Inc.
License GPLv2+: GNU GPL version 2 or later <http://gnu.org/licenses/gpl-2.0.html>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.
Written by Tom Tromey <[email protected]>
and Alexandre Duret-Lutz <[email protected]>.
Unescaped left brace in regex is deprecated here (and will be fatal in Perl 5.30), passed through in regex; marked by <-- HERE in m/\${ <-- HERE ([^ \t=:+{}]+)}/ at /usr/local/bin/automake line 3930.
rm: cannot remove 'README': No such file or directory
solve
Automake will upgrade to version 1.14.1 1.16.1