OP2/PyOP2

Add support for Intel OneAPI compilers

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dsroberts commented

PyOP2 can't autodetect the Intel OneAPI compilers. Adding detection in the sniff_compiler() function would be pretty straightforward, output from icx --version looks like this:

Intel(R) oneAPI DPC++/C++ Compiler 2024.2.0 (2024.2.0.20240602)
Target: x86_64-unknown-linux-gnu
Thread model: posix
InstalledDir: /apps/intel-tools/.packages/2024.2.0/compiler/2024.2/bin/compiler
Configuration file: /apps/intel-tools/.packages/2024.2.0/compiler/2024.2/bin/compiler/../icx.cfg

The OneAPI compilers may have to be considered separately to the classic Intel compilers as the -no-multibyte-chars option has been removed with no replacement (as far as I can tell) and some LLVM flags are supported (e.g. -ffast-math).