--- /dev/null
+https://bugs.launchpad.net/intltool/+bug/1490906
+
+fix warnings w/newer perl:
+Unescaped left brace in regex is deprecated, passed through in regex; marked by <-- HERE in m/^(.*)\${ <-- HERE ?([A-Z_]+)}?(.*)$/ at /usr/bin/intltool-update line 1065.
+
+--- a/intltool-update.in
++++ b/intltool-update.in
+@@ -983,13 +983,13 @@ sub SubstituteVariable
+ }
+ }
+
+- if ($str =~ /^(.*)\${?([A-Z_]+)}?(.*)$/)
++ if ($str =~ /^(.*)\$\{?([A-Z_]+)}?(.*)$/)
+ {
+ my $rest = $3;
+ my $untouched = $1;
+ my $sub = "";
+ # Ignore recursive definitions of variables
+- $sub = $varhash{$2} if defined $varhash{$2} and $varhash{$2} !~ /\${?$2}?/;
++ $sub = $varhash{$2} if defined $varhash{$2} and $varhash{$2} !~ /\$\{?$2}?/;
+
+ return SubstituteVariable ("$untouched$sub$rest");
+ }
+@@ -1111,10 +1111,10 @@ sub FindPackageName
+ $name =~ s/\(+$//g;
+ $version =~ s/\(+$//g;
+
+- $varhash{"PACKAGE_NAME"} = $name if (not $name =~ /\${?AC_PACKAGE_NAME}?/);
+- $varhash{"PACKAGE"} = $name if (not $name =~ /\${?PACKAGE}?/);
+- $varhash{"PACKAGE_VERSION"} = $version if (not $name =~ /\${?AC_PACKAGE_VERSION}?/);
+- $varhash{"VERSION"} = $version if (not $name =~ /\${?VERSION}?/);
++ $varhash{"PACKAGE_NAME"} = $name if (not $name =~ /\$\{?AC_PACKAGE_NAME}?/);
++ $varhash{"PACKAGE"} = $name if (not $name =~ /\$\{?PACKAGE}?/);
++ $varhash{"PACKAGE_VERSION"} = $version if (not $name =~ /\$\{?AC_PACKAGE_VERSION}?/);
++ $varhash{"VERSION"} = $version if (not $name =~ /\$\{?VERSION}?/);
+ }
+
+ if ($conf_source =~ /^AC_INIT\(([^,\)]+),([^,\)]+)[,]?([^,\)]+)?/m)
+@@ -1129,11 +1129,11 @@ sub FindPackageName
+ $version =~ s/\(+$//g;
+ $bugurl =~ s/\(+$//g if (defined $bugurl);
+
+- $varhash{"PACKAGE_NAME"} = $name if (not $name =~ /\${?AC_PACKAGE_NAME}?/);
+- $varhash{"PACKAGE"} = $name if (not $name =~ /\${?PACKAGE}?/);
+- $varhash{"PACKAGE_VERSION"} = $version if (not $name =~ /\${?AC_PACKAGE_VERSION}?/);
+- $varhash{"VERSION"} = $version if (not $name =~ /\${?VERSION}?/);
+- $varhash{"PACKAGE_BUGREPORT"} = $bugurl if (defined $bugurl and not $bugurl =~ /\${?\w+}?/);
++ $varhash{"PACKAGE_NAME"} = $name if (not $name =~ /\$\{?AC_PACKAGE_NAME}?/);
++ $varhash{"PACKAGE"} = $name if (not $name =~ /\$\{?PACKAGE}?/);
++ $varhash{"PACKAGE_VERSION"} = $version if (not $name =~ /\$\{?AC_PACKAGE_VERSION}?/);
++ $varhash{"VERSION"} = $version if (not $name =~ /\$\{?VERSION}?/);
++ $varhash{"PACKAGE_BUGREPORT"} = $bugurl if (defined $bugurl and not $bugurl =~ /\$\{?\w+}?/);
+ }
+
+ # \s makes this not work, why?