我不想使用Rails安装程序。我选择使用cygwin安装所有内容，因为它提供了类似Unix的shell功能。我输入了ruby＆amp;＆amp; rails。安装了cygwin可以提供的与ruby和rails相关的所有内容。然后我尝试制作我的第一个应用程序，但它向我显示以下错误。我可能破坏了什么？
我错过了一些C公式吗？还是一些Ruby库？
请求滚动到底部以查看错误。
$ rails new app
exist
identical README.rdoc
identical Rakefile
identical config.ru
identical .gitignore
identical Gemfile
exist app
identical app/assets/javascripts/application.js
identical app/assets/stylesheets/application.css
identical app/controllers/application_controller.rb
identical app/helpers/application_helper.rb
identical app/views/layouts/application.html.erb
identical app/assets/images/.keep
identical app/mailers/.keep
identical app/models/.keep
identical app/controllers/concerns/.keep
identical app/models/concerns/.keep
exist bin
identical bin/bundle
identical bin/rails
identical bin/rake
identical bin/setup
exist config
identical config/routes.rb
identical config/application.rb
identical config/environment.rb
conflict config/secrets.yml
Overwrite /home/Abhimanyu Aryan/app/config/secrets.yml? (enter "h" for help) [Ynaqdh
force config/secrets.yml
exist config/environments
identical config/environments/development.rb
identical config/environments/production.rb
identical config/environments/test.rb
exist config/initializers
identical config/initializers/assets.rb
identical config/initializers/backtrace_silencers.rb
identical config/initializers/cookies_serializer.rb
identical config/initializers/filter_parameter_logging.rb
identical config/initializers/inflections.rb
identical config/initializers/mime_types.rb
identical config/initializers/session_store.rb
identical config/initializers/wrap_parameters.rb
exist config/locales
identical config/locales/en.yml
identical config/boot.rb
identical config/database.yml
exist db
identical db/seeds.rb
exist lib
exist lib/tasks
identical lib/tasks/.keep
exist lib/assets
identical lib/assets/.keep
exist log
identical log/.keep
exist public
identical public/404.html
identical public/422.html
identical public/500.html
identical public/favicon.ico
identical public/robots.txt
exist test/fixtures
identical test/fixtures/.keep
exist test/controllers
identical test/controllers/.keep
exist test/mailers
identical test/mailers/.keep
exist test/models
identical test/models/.keep
exist test/helpers
identical test/helpers/.keep
exist test/integration
identical test/integration/.keep
identical test/test_helper.rb
exist tmp/cache
exist tmp/cache/assets
exist vendor/assets/javascripts
identical vendor/assets/javascripts/.keep
exist vendor/assets/stylesheets
identical vendor/assets/stylesheets/.keep
run bundle install
Fetching gem metadata from https://rubygems.org/............
Fetching version metadata from https://rubygems.org/...
Fetching dependency metadata from https://rubygems.org/..
Resolving dependencies...
Using rake 10.4.2
Using i18n 0.7.0
Gem::Ext::BuildError: ERROR: Failed to build gem native extension.
/usr/bin/ruby.exe -r ./siteconf20151121-9652-2lj58.rb extconf.rb
creating Makefile
make "DESTDIR=" clean
rm -f
rm -f generator.so *.o *.bak mkmf.log .*.time
make "DESTDIR="
gcc -I. -I/usr/include/ruby-2.2.0 -I/usr/include/ruby-2.2.0/ruby/backward -I/usr/include/ruby-2.2.0 -I. -DJSON_GENERATOR -ggdb -O2 -pipe -Wimplicit-function-declaration -o generator.o -c generator.c
rm -f generator.so
gcc -shared -o generator.so generator.o -L. -L/usr/lib -L. -fstack-protector -Wl,--export-all-symbols -Wl,--enable-auto-image-base,--enable-auto-import -lruby220 -lpthread -lgmp -ldl -lcrypt
/usr/lib/gcc/x86_64-pc-cygwin/4.9.3/../../../../x86_64-pc-cygwin/bin/ld: cannot find -lgmp
/usr/lib/gcc/x86_64-pc-cygwin/4.9.3/../../../../x86_64-pc-cygwin/bin/ld: cannot find -lcrypt
collect2: error: ld returned 1 exit status
Makefile:254: recipe for target 'generator.so' failed
make: *** [generator.so] Error 1
make failed, exit code 2
Gem files will remain installed in /home/Abhimanyu Aryan/.gem/ruby/gems/json-1.8.3 for inspection.
Results logged to /home/Abhimanyu Aryan/.gem/ruby/extensions/x86_64-cygwin/json-1.8.3/gem_make.out
An error occurred while installing json (1.8.3), and Bundler cannot continue.
Make sure that `gem install json -v '1.8.3'` succeeds before bundling.