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INSTALL-cross-compile.md

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Cross-compiling STklos

How to cross-compile

Cross-compilation is just like compilation

./configure prefix=some-tmp-dir CC=some-C-compiler CFLAGS=your-c-flags ...
make
make install

The relevant environment variables are described in the output of configure --help.

However:

  • You need a STklos binary in order to compile STklos. When not cross-compiling,

    • the binary is generated as src/stklos
    • the build proceeds using src/stklos as the STklos binary that can be used to compile .stk files However, when cross-compiling src/stklos will be a binary for a different (target) architecture, and the build will fail, unless we have a native STklos in the system that can be used instead.

  • Put the full path of the STklos binary in the STKLOS_BINARY variable when calling make:

./configure --prefix=/usr/some/place
make `STKLOS_BINARY=/usr/local/bin/stklos`
make install

Now you can copy the usr/some/place directory to the target machine.