Linker error when using static members

Question

I\'m using Qt 4.7 and Cmake 2.8.3 with g++ 4.2.1 on Mac OS X.

I\'m getting a bizarre linker error when using static or global variables in one of my files. Here\'s t

Answer 1

Static data members must be explicitly defined in exactly one compilation unit

See this link: http://www.parashift.com/c++-faq-lite/ctors.html#faq-10.12