On Sun, May 22, 2016 at 11:23 PM, carl hansen <carlhansen1234@gmail.com>
wrote:

> >> automake --version
> Unescaped left brace in regex is deprecated, passed through in regex;
> marked by <-- HERE in m/\${ <-- HERE ([^ \t=:+{}]+)}/ at
> /opt/gsrc/bin/automake line 3936.
> automake (GNU automake) 1.15
> Copyright (C) 2014 Free Software Foundation, Inc.
> License GPLv2+: GNU GPL version 2 or later ....
>
>
> using perl 5.22.1
>
> how to fix ?
>
>
>
>  was:

   $text =~ s/\${([^ \t=:+{}]+)}/substitute_ac_subst_variables_worker
($1)/ge;

following the message, this seems to work; not thoroughly tested:

   $text =~ s/\$\{([^ \t=:+{}]+)\}/substitute_ac_subst_variables_worker
($1)/ge;

leaning toothpicks....