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Getting Started with LLVM Core Libraries by Rafael Auler, Bruno Cardoso Lopes

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Cross-compiling with Clang command-line arguments

Now that you know each toolchain component, we will show you how to use Clang as a cross-compiler by using the appropriate driver arguments.

Note

All the examples in this section are tested in an x86_64 machine running Ubuntu 12.04. We use Ubuntu-specific tools to download some dependencies, but the Clang-related commands should work in any other OS environment without (or with minor) modifications.

Driver options for the target

Clang uses the –target=<triple> driver option to dynamically select the target triple for which code needs to be generated. Beyond the triple, other options can be used to make target selection more accurate:

  • The -march=<arch> option selects the target base architecture. The ...

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