Golden Cheetah install and build instructions are documented
for each platform;

INSTALL-WIN32   For building on Microsoft Windows
INSTALL-LINUX   For building on Ubuntu Linux
INSTALL-MAC     For building on Apple OS X

Alternatively official builds are available from http://www.goldencheetah.org
whilst latest developer builds are available from http://goldencheetah.stand2surf.net
Languages
Standard ML 68.3%
C++ 28.1%
C 2.7%
Yacc 0.2%
QMake 0.2%
Other 0.1%