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This is how Omnia determines the compiler:

Checks for Clang then everything else is GCC.

Good luck.

On Mon, Jul 16, 2018 at 3:48 AM, Sarah <> wrote:
> I am writing a build script in Lua for my language and I need to find
> out if the user has either Clang or GCC installed. My first idea was
> to run os.execute("clang") and check the return code, but clang just
> errors straight to the console.
> I don't want to search through directories to detect compilers as it
> is quite an overhead for a build script. Any ideas on how I could
> solve this issue?