Add initial multiarchitecture support via Debian cross-compiled binaries

[tianon]

No description provided.

[tianon]

(Opening this now to essentially make Travis verify my assumptions about the repeatability of these cross-compiled binaries too.)

[tianon]

*whistle* no idea how this happened 🦀

[tianon]

Now with an updated generate-stackbrew-library.sh script!

$ ./generate-stackbrew-library.sh
# this file is generated via https://github.com/docker-library/hello-world/blob/7d0ee592e4ed60e2da9d59331e16ecdcadc1ed87/generate-stackbrew-library.sh

Maintainers: Tianon Gravi <[email protected]> (@tianon),
             Joseph Ferguson <[email protected]> (@yosifkit)
GitRepo: https://github.com/docker-library/hello-world.git
GitCommit: 7d0ee592e4ed60e2da9d59331e16ecdcadc1ed87

Tags: latest
Architectures: amd64, arm32v5, arm32v7, arm64v8, ppc64le, s390x
amd64-GitCommit: 7d0ee592e4ed60e2da9d59331e16ecdcadc1ed87
amd64-Directory: amd64/hello-world
arm32v5-GitCommit: 7d0ee592e4ed60e2da9d59331e16ecdcadc1ed87
arm32v5-Directory: arm32v5/hello-world
arm32v7-GitCommit: 7d0ee592e4ed60e2da9d59331e16ecdcadc1ed87
arm32v7-Directory: arm32v7/hello-world
arm64v8-GitCommit: 7d0ee592e4ed60e2da9d59331e16ecdcadc1ed87
arm64v8-Directory: arm64v8/hello-world
ppc64le-GitCommit: 7d0ee592e4ed60e2da9d59331e16ecdcadc1ed87
ppc64le-Directory: ppc64le/hello-world
s390x-GitCommit: 7d0ee592e4ed60e2da9d59331e16ecdcadc1ed87
s390x-Directory: s390x/hello-world

Tags: nanoserver
Architectures: windows-amd64
windows-amd64-GitCommit: 7d0ee592e4ed60e2da9d59331e16ecdcadc1ed87
windows-amd64-Directory: amd64/hello-world/nanoserver
Constraints: nanoserver

[tianon]

And since GitHub makes file sizes a bit hard to see/compare, here's the relevant file sizes too:

-rwxr-xr-x 1 root root 1.9K Jun 13 23:20 ./amd64/hello-seattle/hello
-rw-r--r-- 1 root root  846 Jun 13 23:20 ./amd64/hello-seattle/nanoserver/hello.txt
-rwxr-xr-x 1 root root 1.8K Jun 13 23:20 ./amd64/hello-world/hello
-rw-r--r-- 1 root root  826 Jun 13 23:20 ./amd64/hello-world/nanoserver/hello.txt
-rwxr-xr-x 1 root root 1.9K Jun 13 23:20 ./amd64/hola-mundo/hello
-rw-r--r-- 1 root root  847 Jun 13 23:20 ./amd64/hola-mundo/nanoserver/hello.txt
-rwxr-xr-x 1 root root 1.7K Jun 13 23:20 ./arm32v5/hello-seattle/hello
-rwxr-xr-x 1 root root 1.7K Jun 13 23:20 ./arm32v5/hello-world/hello
-rwxr-xr-x 1 root root 1.7K Jun 13 23:20 ./arm32v5/hola-mundo/hello
-rwxr-xr-x 1 root root 1.7K Jun 13 23:20 ./arm32v7/hello-seattle/hello
-rwxr-xr-x 1 root root 1.6K Jun 13 23:20 ./arm32v7/hello-world/hello
-rwxr-xr-x 1 root root 1.7K Jun 13 23:20 ./arm32v7/hola-mundo/hello
-rwxr-xr-x 1 root root 4.7K Jun 13 23:20 ./arm64v8/hello-seattle/hello
-rwxr-xr-x 1 root root 4.7K Jun 13 23:20 ./arm64v8/hello-world/hello
-rwxr-xr-x 1 root root 4.7K Jun 13 23:20 ./arm64v8/hola-mundo/hello
-rwxr-xr-x 1 root root  65K Jun 13 23:20 ./ppc64le/hello-seattle/hello
-rwxr-xr-x 1 root root  65K Jun 13 23:20 ./ppc64le/hello-world/hello
-rwxr-xr-x 1 root root  65K Jun 13 23:20 ./ppc64le/hola-mundo/hello
-rwxr-xr-x 1 root root 2.0K Jun 13 23:20 ./s390x/hello-seattle/hello
-rwxr-xr-x 1 root root 2.0K Jun 13 23:20 ./s390x/hello-world/hello
-rwxr-xr-x 1 root root 2.0K Jun 13 23:20 ./s390x/hola-mundo/hello

(no idea why ppc64le has such huge binaries, but they do run, so *shrug*)