Strange httpd-error.log

[Leonardo M. Ramé]

Hi, I installed the Apache::MP3 module, to stream mp3 files, it works ok, but I found this on my httpd-error.log:

[Sat Oct 29 15:11:03 2011] [notice] Digest: generating secret for digest authentication ...
[Sat Oct 29 15:11:03 2011] [notice] Digest: done
[Sat Oct 29 15:11:04 2011] [notice] mod_python: Creating 8 session mutexes based on 256 max processes and 0 max threads.
[Sat Oct 29 15:11:04 2011] [notice] mod_python: using mutex_directory /tmp
[Sat Oct 29 15:11:04 2011] [notice] Apache/2.2.18 (FreeBSD) mod_ssl/2.2.18 OpenSSL/0.9.8q DAV/2 mod_python/3.3.1 Python/2.6.5 PHP/5.3.6 with Suhosin-Patch mod_perl/2.0.5 Perl/v5.10.1 configu
Usage: /usr/local/sbin/httpd [-D name] [-d directory] [-f file]
                             [-C "directive"] [-c "directive"]
                             [-k start|restart|graceful|graceful-stop|stop]
                             [-v] [-V] [-h] [-l] [-L] [-t] [-T] [-S]
Options:
  -D name            : define a name for use in <IfDefine name> directives
  -d directory       : specify an alternate initial ServerRoot
  -f file            : specify an alternate ServerConfigFile
  -C "directive"     : process directive before reading config files
  -c "directive"     : process directive after reading config files
  -e level           : show startup errors of level (see LogLevel)
  -E file            : log startup errors to file
  -v                 : show version number
  -V                 : show compile settings
  -h                 : list available command line options (this page)
  -l                 : list compiled in modules
  -L                 : list available configuration directives
  -t -D DUMP_VHOSTS  : show parsed settings (currently only vhost settings)
  -S                 : a synonym for -t -D DUMP_VHOSTS
  -t -D DUMP_MODULES : show all loaded modules
  -M                 : a synonym for -t -D DUMP_MODULES
  -t                 : run syntax check for config files
  -T                 : start without DocumentRoot(s) check
[Sat Oct 29 15:11:25 2011] Wav.pm: Inline::C installed, but your C compiler doesn't seem to work with it

Does anyone knows how to fix this?.

Thanks in advance,
Leonardo.