Bug 9686

Blocker for me , as the docker-build collapses..

anyhow is thier a way to build amd64+arm64 binary.. 

qemu and proot static in their would be also nice to haves , however have good static source. for overall emulation ie gentoo-arm64 emerge package on amd64 docker hosts...  

bash dies in docker from the initial base , so scripts die... not fun, but via busy box i could continue to run them ie bb-bash , then invoke emulator. etc. set as entry point.. etc.. 

/busybox/bash run ./proot -R /... -q umeq /bin/bash (Debian dev has umeq a hacked qemu static build on github and a hacked proot static. ) 


for now if you can I was hoping for some info to build a fat bin for amd64-arm64 for cross building... via docker container. 
I can build on my local machine etc. 


also might be a plus to having a multi-arch-fat-binary docker container aimed at cross builders. thus can run a native bash on host mode cpu if docker build dies to soon. quay.io is far more patient. however , dockerhub is less... 
I just get stiffed by about 30-40 seconds ... before i can set up a few more scripts and symlinks using from scratch... 


https://github.com/gentoo/gentoo-docker-images/blob/master/amd64/

uses busybox to set up for now been using scratch , however more work and upkeep. but ruining the build.sh , means as the base tarball updates , so too dose the build. 

A: use emulation (for now far more likely) 
B: if lucky has arm64 server with docker etc... 

busybox base , and /busyboy to call native bash latter , failsafe buys time..  add a few symlinks add a few binfmt files etc. 


anyhow , any tips one could have I'll take, on making a fat binary.. to cover multiple use scenarios ... 

if they added qemu static proot binfmt misc etc to busybox that would be dead-sexy in the future.