Ah, correct. He's using asm files for fcontext from boost.context. Looks like those are copied into his tree from boost during build phase, and those files were

Ah, correct. He's using asm files for fcontext from boost.context. Looks like those are copied into his tree from boost during build phase, and those files were the only I found. Thanks for pointing out. I maybe will need to test it on ARM one day, now I have peace of mind regarding ARM.