This is a CMake Environment Variable. Its initial value is taken from the calling process environment.
Preferred executable for compiling
C language files. Will only be used by
CMake on the first configuration to determine
C compiler, after which the
CC is stored in the cache as
CMAKE_C_COMPILER. For any configuration run
(including the first), the environment variable will be ignored if the
CMAKE_C_COMPILER variable is defined.
Options that are required to make the compiler work correctly can be included; they can not be changed.
$ export CC="custom-compiler --arg1 --arg2"