this post was submitted on 14 Feb 2026
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retrocomputing

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Does anyone know how I can cross-compile software for a 1999 iMac G3 with a PowerPC processor? Are there resources on how to develop for this CPU and is there any community around it?

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[–] dparticiple@sh.itjust.works 7 points 11 hours ago

I can't speak for cross-compilation, but I was a serious Mac developer on System 7 - MacOS 9 back in the day, and Metrowerks CodeWarrior was my tool of choice for C/C++ . A thread on 68KMLA from a few years ago has an extensive discussion of CodeWarrior: https://68kmla.org/bb/threads/metrowerks-codewarrior-best-version-and-updates.42338/

Bravo for keeping this great old software and hardware going (System 7 is perhaps my favorite OS of all time). Let us know what you build!