[ITK-users] Cmake Error : string does not recognize sub-command MAKE_C_IDENTIFIER

[David Cole]

>     CMake Error at
> /usr/share/cmake/Modules/GenerateExportHeader.cmake:319 (string):
>       string does not recognize sub-command MAKE_C_IDENTIFIER
> ...
> The compiler is gcc version 4.8.1 and cmake version 3.0.0-rc4.

This may mean you are *actually* using a CMake version less than
2.8.12. (MAKE_C_IDENTIFIER was added in the 2.8.12 release.)

What does:

    /usr/bin/cmake --version

report?

How about "which cmake"?