安装 Rails 失败，多次尝试未果

mamian — Wed, 30 Nov 2016 09:38:23 +0800

当我输入

→ sudo gem install rails


Building native extensions.  This could take a while...
ERROR:  Error installing rails:
    ERROR: Failed to build gem native extension.

    /usr/local/opt/ruby/bin/ruby -r ./siteconf20161130-77662-u8g67w.rb extconf.rb
checking if the C compiler accepts ... yes
checking if the C compiler accepts -Wno-error=unused-command-line-argument-hard-error-in-future... no
Building nokogiri using packaged libraries.
*** extconf.rb failed ***
Could not create Makefile due to some reason, probably lack of necessary
libraries and/or headers.  Check the mkmf.log file for more details.  You may
need configuration options.

Provided configuration options:
    --with-opt-dir
    --with-opt-include
    --without-opt-include=${opt-dir}/include
    --with-opt-lib
    --without-opt-lib=${opt-dir}/lib
    --with-make-prog
    --without-make-prog
    --srcdir=.
    --curdir
    --ruby=/usr/local/Cellar/ruby/2.3.1_2/bin/$(RUBY_BASE_NAME)
    --help
    --clean
    --use-system-libraries
/usr/local/lib/ruby/site_ruby/2.3.0/rubygems/dependency.rb:308:in `to_specs': Could not find 'mini_portile2' (~> 2.1.0) among 6 total gem(s) (Gem::MissingSpecError)
Checked in 'GEM_PATH=/Users/MAMIAN/.gem/ruby/2.3.0:/usr/local/lib/ruby/gems/2.3.0:/usr/local/Cellar/ruby/2.3.1_2/lib/ruby/gems/2.3.0', execute `gem env` for more information
    from /usr/local/lib/ruby/site_ruby/2.3.0/rubygems/dependency.rb:320:in `to_spec'
    from /usr/local/lib/ruby/site_ruby/2.3.0/rubygems/core_ext/kernel_gem.rb:65:in `gem'
    from extconf.rb:468:in `<main>'

extconf failed, exit code 1

Gem files will remain installed in /usr/local/lib/ruby/gems/2.2.0/gems/nokogiri-1.6.8.1 for inspection.
Results logged to /usr/local/lib/ruby/gems/2.2.0/extensions/x86_64-darwin-15/2.2.0/nokogiri-1.6.8.1/gem_make.out

ruby 2.2.3p173 (2015-08-18 revision 51636) [x86_64-darwin15]
rvm 1.27.0 (latest) by Wayne E. Seguin wayneeseguin@gmail.com, Michal Papis mpapis@gmail.com [https://rvm.io/]

Google 查了查，上面的方法都试了，还是不行，特地来问下

macOS 10.12

已经解决了，利用 rvm 安装了 ruby 解决

mamian (asdsaferwfvre)

安装 Rails 失败，多次尝试未果