使用Apple Silicon M1机器。尝试安装 ruby gemgem install sassc -v '2.1.0'.
问题是 clang 编译器还没有 Apple M1 的“native”标志。Related https://stackoverflow.com/questions/65966969/why-does-march-native-not-work-on-apple-m1
给出的错误：（注意我用“yournamehere”替换了我的名字）
Fetching sassc 2.1.0
Installing sassc 2.1.0 with native extensions
Gem::Ext::BuildError: ERROR: Failed to build gem native extension.
current directory: /Users/yournamehere/.asdf/installs/ruby/2.7.2/lib/ruby/gems/2.7.0/gems/sassc-2.1.0/ext
/Users/yournamehere/.asdf/installs/ruby/2.7.2/bin/ruby -I /Users/yournamehere/.asdf/installs/ruby/2.7.2/lib/ruby/2.7.0 -r ./siteconf20210303-14183-1uwhwj4.rb extconf.rb
creating Makefile
current directory: /Users/yournamehere/.asdf/installs/ruby/2.7.2/lib/ruby/gems/2.7.0/gems/sassc-2.1.0/ext
make "DESTDIR=" clean
current directory: /Users/yournamehere/.asdf/installs/ruby/2.7.2/lib/ruby/gems/2.7.0/gems/sassc-2.1.0/ext
make "DESTDIR="
compiling ./libsass/src/units.cpp
clang: error: the clang compiler does not support '-march=native'
make: *** [units.o] Error 1
make failed, exit code 2
Gem files will remain installed in /Users/yournamehere/.asdf/installs/ruby/2.7.2/lib/ruby/gems/2.7.0/gems/sassc-2.1.0 for inspection.
Results logged to /Users/yournamehere/.asdf/installs/ruby/2.7.2/lib/ruby/gems/2.7.0/extensions/arm64-darwin-20/2.7.0/sassc-2.1.0/gem_make.out
An error occurred while installing sassc (2.1.0), and Bundler cannot continue.
Make sure that `gem install sassc -v '2.1.0' --source 'https://rubygems.org/'` succeeds before bundling.
In Gemfile:
sassc-rails was resolved to 2.1.2, which depends on
sassc
根据这个答案 https://github.com/sass/sassc-ruby/issues/222#issuecomment-857092485在 sassc-ruby 上，这个标志作为当前的解决方法对我有用：
gem install sassc -- --disable-march-tune-native
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