Upstream commit 0a5d9828c1f6b32e8462a00029b1ba2a720c867b changed how the
extension build script detects an Apple toolchain; adjust accordingly by
forcing it to be false. Keep both fixes so this is more compatible.
allows building bundix but most ruby gems still fail with
```
++ gem install --local --force --http-proxy http://nodtd.invalid --ignore-dependencies --install-dir /nix/store/...-ruby-aarch64-unknown-linux-gnu2.7.6-nio4r-2.5.8-aarch64-unknown-linux-gnu/lib/ruby/gems/2.7.0
--build-root / --backtrace --no-env-shebang -N /nix/store/...-nio4r-2.5.8.gem --
/nix/store/...-ruby-aarch64-unknown-linux-gnu-2.7.6/bin/gem: line 8: require: command not found
/nix/store/...-ruby-aarch64-unknown-linux-gnu-2.7.6/bin/gem: line 9: require: command not found
/nix/store/...-ruby-aarch64-unknown-linux-gnu-2.7.6/bin/gem: line 10: require: command not found
/nix/store/...-ruby-aarch64-unknown-linux-gnu-2.7.6/bin/gem: line 12: required_version: command not found
/nix/store/...-ruby-aarch64-unknown-linux-gnu-2.7.6/bin/gem: line 14: unless: command not found
/nix/store/...-ruby-aarch64-unknown-linux-gnu-2.7.6/bin/gem: line 15: abort: command not found
/nix/store/...-ruby-aarch64-unknown-linux-gnu-2.7.6/bin/gem: line 16: end: command not found
/nix/store/...-ruby-aarch64-unknown-linux-gnu-2.7.6/bin/gem: line 18: args: command not found
/nix/store/...-ruby-aarch64-unknown-linux-gnu-2.7.6/bin/gem: line 20: begin: command not found
/nix/store/...-ruby-aarch64-unknown-linux-gnu-2.7.6/bin/gem: line 21: Gem::GemRunner.new.run: command not found
/nix/store/...-ruby-aarch64-unknown-linux-gnu-2.7.6/bin/gem: line 22: rescue: command not found
/nix/store/...-ruby-aarch64-unknown-linux-gnu-2.7.6/bin/gem: line 23: exit: e.exit_code: numeric argument required
```
@ruby maintainers: please feel free to revert this and let me know,
should it cause any problems.
Stuff that's in the store shouldn't be writable! So let's disable
Bundler's requires_sudo? method, which checks if some files are
writable and suggests using sudo if not, entirely.
Previously, schleuder-cli would print to stderr when run:
Following files may not be writable, so sudo is needed:
/nix/store/qg40x0ysrf9x6sag6qgb1klg87lskdp5-schleuder-cli-0.1.0/lib/ruby/gems/2.7.0
/nix/store/qg40x0ysrf9x6sag6qgb1klg87lskdp5-schleuder-cli-0.1.0/lib/ruby/gems/2.7.0/bin
/nix/store/qg40x0ysrf9x6sag6qgb1klg87lskdp5-schleuder-cli-0.1.0/lib/ruby/gems/2.7.0/bin
/nix/store/qg40x0ysrf9x6sag6qgb1klg87lskdp5-schleuder-cli-0.1.0/lib/ruby/gems/2.7.0/build_info
/nix/store/qg40x0ysrf9x6sag6qgb1klg87lskdp5-schleuder-cli-0.1.0/lib/ruby/gems/2.7.0/bundler
/nix/store/qg40x0ysrf9x6sag6qgb1klg87lskdp5-schleuder-cli-0.1.0/lib/ruby/gems/2.7.0/cache
/nix/store/qg40x0ysrf9x6sag6qgb1klg87lskdp5-schleuder-cli-0.1.0/lib/ruby/gems/2.7.0/doc
/nix/store/qg40x0ysrf9x6sag6qgb1klg87lskdp5-schleuder-cli-0.1.0/lib/ruby/gems/2.7.0/extensions
/nix/store/qg40x0ysrf9x6sag6qgb1klg87lskdp5-schleuder-cli-0.1.0/lib/ruby/gems/2.7.0/gems
/nix/store/qg40x0ysrf9x6sag6qgb1klg87lskdp5-schleuder-cli-0.1.0/lib/ruby/gems/2.7.0/plugins
/nix/store/qg40x0ysrf9x6sag6qgb1klg87lskdp5-schleuder-cli-0.1.0/lib/ruby/gems/2.7.0/specifications
