@@ -, +, @@ -- before patch Readonly::XS is 0 -- after patch it has a version number. --- C4/Installer/PerlModules.pm | 1 + 1 file changed, 1 insertion(+) --- a/C4/Installer/PerlModules.pm +++ a/C4/Installer/PerlModules.pm @@ -78,6 +78,7 @@ sub version_info { my ( $self, $module ) = @_; return -1 unless grep { /^$module$/ } keys(%$PERL_DEPS); + $Readonly::XS::MAGIC_COOKIE="Do NOT use or require Readonly::XS unless you're me."; eval "require $module"; my $pkg_version = $module->can("VERSION") ? $module->VERSION : 0; my $min_version = $PERL_DEPS->{$module}->{'min_ver'} // 0; --