I've also found this article which seem to confirm all this: I've also tried to compile a simple 'Hello, World' program and it works out of the box (i.e., no licensing hoops to jump through, etc).
The version format certainly looks different compared to before. Intel(R) C++ Intel(R) 64 Compiler Classic for applications running on Intel(R) 64, Version 2021.1 Build 20201112_000000 # apt-get install intel-oneapi-compiler-dpcpp-cpp-and-cpp-classicĪnd then: $ source /opt/intel/oneapi/setvars.sh Specifically, I did the following: # echo 'deb all main' >/etc/apt//intel-oneapi.list Perhaps this is old news, but yesterday I've learned that the Intel C/C++ compilers ( icc/ icpc) are available as part of the new oneAPI thing (where it's called 'classic' as opposed to the 'data parallel' one).