Retro68: a GCC-based cross-compilation environment for 68K and PowerPC Macs

Adafruit is reporting on Retro68, a GCC-based cross-compilation environment that lets developers write modern C++ code for vintage Macintosh systems—specifically sixty-eight K and PowerPC models. The tool addresses a genuine gap: there's currently no contemporary C++23 compiler that targets Apple System Six. Setup instructions are available for Mac, Windows, Docker, and Nix.

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