Sets construction variables for the Intel C/C++ compiler
(Linux and Windows, version 7 and later).
Calls the &t-gcc; or &t-msvc;
(on Linux and Windows, respectively)
to set underlying variables.
CC
CXX
LINK
AR
INTEL_C_COMPILER_VERSION
Set by the "intelc" Tool
to the major version number of the Intel C compiler
selected for use.