To use the Intel compiler, one must use an environment variable that specifies
the path to the license file. E.g.,
export INTEL_LICENSE_FILE=/usr/local/intel/license
Other commercial compilers use a very similar mechanism. I had hoped to
capture such information in a cache file so that I could avoid polluting the
shell where I am invoking cmake:
% cmake -C my-cache <src-dir>
Such a cache file could look like:
set(CMAKE_Fortran_COMPILER
"/usr/local/intel/2018/compilers_and_libraries_2018.3.222/linux/bin/intel64/ifort"
CACHE path "Fortran compiler")
set(ENV{INTEL_LICENSE_FILE} "/usr/local/intel/license" CACHE path "Intel
license")
Unfortunately, the compiler is not “seeing” the env variable and complains that
there is no license. Is there a solution to this, or am I forced to set the
env variable each time I try to build?
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