* Add "which" dependency, otherwise it builds with lots of
"command not found" errors.
* -lgcc_s, otherwise many commands basically fail without pthread_cancel.
* Fix X11 dependencies, otherwise it would be plan9port with none of UI
programs working.
- Update to 20140306
- Fixed libXt dependency. The compiler could not find X11/IntrinsicP.h, even though it is available through the nix store. I think there must be some issue with the 9c compiler being used and not obeying the CFLAGS that nix is supposed to pass. There are probably other dependencies I'm missing, but 9c found in my /usr/include.
plan9port ships with an INSTALL script. This commit modifies the
builder to use the script instead of a custom build script. The
commit also adds a patch to build fontsrv, which is otherwise
omitted from the build.
