Re: [Boost-users] Context and coroutine for ARM

Subject: Re: [Boost-users] Context and coroutine for ARM
From: d25fe0be_at_[hidden]
Date: 2017-05-13 18:58:10

> I am a bit surprised the code compiled on Pi, but I think they fixed that somehow in their own branch of gcc (since its version is 4.9.2-10)
> 
> pi_at_rpi1 ~ $ g++ -v
> ...
> gcc version 4.9.2 (Raspbian 4.9.2-10)

Try `gcc -dM - -E < /dev/null | grep __GCC_ATOMIC_INT_LOCK_FREE`, it should output 2 in you Pi, and output 1 when using your cross-compiler.

And ATOMIC_INT_LOCK_FREE is defined to be __GCC_ATOMIC_INT_LOCK_FREE, so the code compiles.