/usr/bin/h2ph version [unknown] calling Getopt::Std::getopts (version 1.15 [paranoid]), running under Perl version 5.44.0. Usage: h2ph [-OPTIONS [-MORE_OPTIONS]] [--] [PROGRAM_ARG1 ...] The following single-character options are accepted: With arguments: -d Boolean (without arguments): -D -r -l -h -a -Q -e Options may be merged together. -- stops processing of options. Space is not required between options and their arguments. For more details run perldoc -F /usr/bin/h2ph [Now continuing due to backward compatibility and excessive paranoia. See 'perldoc Getopt::Std' about $Getopt::Std::STANDARD_HELP_VERSION.] Cannot open /usr/local/lib/perl5/site_perl/_h2ph_pre.ph: Read-only file system at /usr/bin/h2ph line 753.