Fails to build on M1 Mac Mini

[jakubgs]

Description

Currently building of this library fails if architecture is detected as arm64, but works for arm. This appears to be due to this line:

sqlcipher/config.sub

Line 1170 in f7e9e90

| arm | arm[lb]e | arme[lb] | armv* \

As far as I can tell just adding arm64 to this list in one form or another makes it work and build.

Expected Behavior

 > ./configure | grep 'build system' 
checking build system type... arm64-apple-darwin20.6.0

Actual Behavior

 > ./configure | grep 'build system'
Invalid configuration `arm64-apple-darwin20.6.0': machine `arm64-apple' not recognized
configure: error: /nix/store/ppzr8yab3s3883skd0da5i4ylzpksk9l-bash-5.1-p8/bin/bash ./config.sub arm64-apple-darwin20.6.0 failed

Steps to Reproduce

Hardware: Mac Mini G5E (M1)
Software: Darwin 20.6.0
SQLCipher version: 3.4.2 and 4.5.0

[jakubgs]

I've narrowed down the issue to uname -p - which is used by config.guess - which outputs different things in different contexts:

Env	uname -p	uname -m
/bin/zsh	arm	arm64
/opt/homebrew/bin/zsh	arm	arm64
Nix Shell	arm64	arm64

Which causes config.guess to output arm64-apple-darwin20.6.0 under Nix shell and arm-apple-darwin20.6.0 outside.

[jakubgs]

I've tested the current config.guess from the official repo and it appears to fix the issue:

 > bash ./config.guess
aarch64-apple-darwin20.6.0

Because it includes this fix: https://git.savannah.gnu.org/gitweb/?p=config.git;a=commit;h=2593751ef

[jakubgs]

I've updated config.guess and config.sub to the most recent version from official repo: #414

My stab at trying to solve this issue.

[sjlombardo]

Closing related ticket per #414, ticket open with Nix team to resolve in shell.

[jakubgs]

Update: This issue appears to be related to GNU Coreutils and its uname utility:

 > /opt/homebrew//Cellar/coreutils/9.0/bin/guname -m
arm64
 > /opt/homebrew//Cellar/coreutils/9.0/bin/guname -p
arm64

And it's not Nix specific. So the options are either fix GNU Coreutils (will take ages) or update config.guess in SQLite (will take ages as well).