Bug#1017961: mozjs102: Fails to build on armel

[Simon McVittie]

On Mon, 22 Aug 2022 at 20:25:17 -0400, Jeremy Bicha wrote:
> I did notice this repeatedly in the build log:
> 
> {standard input}: Assembler messages:
> {standard input}: Error: selected processor does not support `dmb sy'
> in ARM mode
> {standard input}: Error: selected processor does not support `ldrexb
> r0,[r1]' in ARM mode
> {standard input}: Error: selected processor does not support `strexb
> r3,r2,[r1]' in ARM mode

I think the answer might be to switch to the fallback atomics
implementation on armel. I'm testing a patch on amdahl, but it's going
to take a while to get a result.

    smcv