On Thu, Nov 11, 2021 at 3:11 AM Rich Felker <dalias@libc.org> wrote:

> As far as I can tell you're not invoking configure to cross compile.
> You told it the target (note: this should really be called host but it
> doesn't matter) is arm but you're invoking the compiler as "clang" so
> it will just be whatever clang's default target is (probably x86_64).
>
> If you want to cross compile, you need something like
> CC="/usr/lib/llvm-13/bin/clang --target=armv7-a" and you also need to
> have a suitable compiler-rt for arm available.
>
> We should probably do something to detect this kind of breakage
> earlier than at long double type mismatch.
>
> Rich
>

Thanks Rich, this worked. I actually put "--target=armv7a-linux-eabihf"
into CFLAGS. I had done that at some earlier stage, but it caused another
problem so I removed it.

Now for the job of cross compiling compiler-rt...