At the moment it works only on Debian and derivatives but it should be easily
extendable to other systems as well. Patches are welcome.
+Only gcc is detected as compiler at the moment. If other compilers support
+hardening flags as well, please report them.
+
For more information about hardening flags have a look at [1].
[1]: https://wiki.debian.org/Hardening
on the system. It doesn't have to be explicitly installed. To read the man
page use `perldoc bin/blhc`.
+If there's no output, no flags are missing and the build log is fine.
+
For more examples see the man page.