If you have osx arm64 and gcc (not clang) installed...

[Walter Bright]

On 4/8/2026 10:23 AM, Derek Fawcus wrote:
> Do you specifically want what gcc on osx on ARM64 would produce, or gcc on ARM64?

OSX does things differently. It has to be an osx specific compiler.

> I have an ARM mac to hand, and have an ARM64 Linux VM within it, containing 
> gcc.  So I could compile under the latter.  You could also, just install UTM and 
> then an ARM64 debian VM within it.
> 
> Alternately, there is a guide for compiling gcc 13 from scratch for ARM online, 
> intended specifically for the osx scenario.  You could follow that.  I did for a 
> non ARM device simply as I wanted a copy of gcc-13 which wasn't packaged for my 
> Linux system.
> 

Thank you for the information! I managed to pry the gcc ARM64 prolog bytes out 
of chatgpt.