运行捆绑安装时找不到头文件
我刚刚开始学习 Rails。
我正在使用 Michael Hartl 的 Ruby on Rails 教程构建我的第一个应用程序。
书上说要用这个gem文件。
source 'http://rubygems.org'
gem 'rails', '3.0.0.rc'
gem 'sqlite3-ruby', '1.2.5', :require => 'sqlite3'
group :development do
gem 'rspec-rails', '2.0.0.beta.18'
end
group :test do
gem 'rspec', '2.0.0.beta.18'
end
但是，当我在终端中运行bundle install时，出现以下错误：
Fetching source index for http://rubygems.org/
Using rake (0.8.7)
Using abstract (1.0.0)
Using activesupport (3.0.0.rc)
Using builder (2.1.2)
Using i18n (0.4.1)
Using activemodel (3.0.0.rc)
Using erubis (2.6.6)
Using rack (1.2.1)
Using rack-mount (0.6.13)
Using rack-test (0.5.4)
Using tzinfo (0.3.23)
Using actionpack (3.0.0.rc)
Using mime-types (1.16)
Using polyglot (0.3.1)
Using treetop (1.4.8)
Using mail (2.2.6.1)
Using actionmailer (3.0.0.rc)
Using arel (0.4.0)
Using activerecord (3.0.0.rc)
Using activeresource (3.0.0.rc)
Using bundler (1.0.0)
Using diff-lcs (1.1.2)
Installing nokogiri (1.4.3.1) with native extensions /Library/Ruby/Site/1.8/rubygems/installer.rb:483:in `build_extensions': ERROR: Failed to build gem native extension. (Gem::Installer::ExtensionBuildError)
/System/Library/Frameworks/Ruby.framework/Versions/1.8/usr/bin/ruby extconf.rb
mkmf.rb can't find header files for ruby at /System/Library/Frameworks/Ruby.framework/Versions/1.8/usr/lib/ruby/ruby.h
I am just getting started learning rails.
I am building my first app using Ruby on Rails tutorial by Michael Hartl.
the book said to use this gem file.
source 'http://rubygems.org'
gem 'rails', '3.0.0.rc'
gem 'sqlite3-ruby', '1.2.5', :require => 'sqlite3'
group :development do
gem 'rspec-rails', '2.0.0.beta.18'
end
group :test do
gem 'rspec', '2.0.0.beta.18'
end
However I get the following error when I run bundle install in the terminal:
Fetching source index for http://rubygems.org/
Using rake (0.8.7)
Using abstract (1.0.0)
Using activesupport (3.0.0.rc)
Using builder (2.1.2)
Using i18n (0.4.1)
Using activemodel (3.0.0.rc)
Using erubis (2.6.6)
Using rack (1.2.1)
Using rack-mount (0.6.13)
Using rack-test (0.5.4)
Using tzinfo (0.3.23)
Using actionpack (3.0.0.rc)
Using mime-types (1.16)
Using polyglot (0.3.1)
Using treetop (1.4.8)
Using mail (2.2.6.1)
Using actionmailer (3.0.0.rc)
Using arel (0.4.0)
Using activerecord (3.0.0.rc)
Using activeresource (3.0.0.rc)
Using bundler (1.0.0)
Using diff-lcs (1.1.2)
Installing nokogiri (1.4.3.1) with native extensions /Library/Ruby/Site/1.8/rubygems/installer.rb:483:in `build_extensions': ERROR: Failed to build gem native extension. (Gem::Installer::ExtensionBuildError)
/System/Library/Frameworks/Ruby.framework/Versions/1.8/usr/bin/ruby extconf.rb
mkmf.rb can't find header files for ruby at /System/Library/Frameworks/Ruby.framework/Versions/1.8/usr/lib/ruby/ruby.h
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路径表明您使用的是 Mac，对吧？也许这个答案可以解决您的问题？
gem 在 Snow Leopard 中安装 mysql 失败
错误看起来相同。接受的答案说“安装与 Snow Leopard 捆绑在一起的 Xcode 解决了这个问题。”
Paths suggest you are using a Mac, right? Maybe this answer solves your problem?
gem install mysql failure in Snow Leopard
Error looks the same. Accepted answer said that "Installing the Xcode that's bundled with the Snow Leopard fixed the problem."
你在Linux上吗？以下是在 Ubuntu Linux 中安装内容时可能遇到的常见问题列表 - http://rbjl.net/20-rubybuntu-2-troubleshooting-common-ruby-ubuntu-problems
我在 Linux 上，必须执行以下操作才能安装 nokogiri：
Are you on Linux? Here is a list of common problems you might run into when installing stuff in Ubuntu Linux - http://rbjl.net/20-rubybuntu-2-troubleshooting-common-ruby-ubuntu-problems
I am on Linux and had to do the following to get nokogiri to install:
仅供参考，Rails 3.0 已于 8 月 29 日发布。因此您可以使用
Just FYI, Rails 3.0 was released on August 29. So you can use