500 - Internal Server Error

ENV GL_BINDIR not set BEGIN failed--compilation aborted at /usr/share/gitolite/gitolite.pm line 52.

Software error:

[Sat May 19 10:50:00 2012] gitweb.cgi: ENV GL_BINDIR not set
[Sat May 19 10:50:00 2012] gitweb.cgi: BEGIN failed--compilation aborted at /usr/share/gitolite/gitolite.pm line 52.
Compilation failed in require at /etc/gitweb.conf line 31.

Error occured when inside die_error: ENV GL_BINDIR not set BEGIN failed--compilation aborted at /usr/share/gitolite/gitolite.pm line 52.