无法在Yosemite DP 7上安装Cocoapods

Question

我在安装在单独分区上的Yosemite DP 7上安装Cocoapods时遇到问题。 由于在Stack Overflow链接上提出了相同的解决方案，我已经尝试按照Cocoapods上的指令使用Xcode 6和10.10 Yosemite并在问题（ https://github.com/CocoaPods/CocoaPods/issues/2219 ）中关闭。

我继续收到以下错误：

Rasmuss-MacBook-Pro:~ rasmusth$ sudo gem install cocoapods
Building native extensions.  This could take a while...
ERROR:  Error installing cocoapods:
    ERROR: Failed to build gem native extension.

    "/System/Library/Frameworks/Ruby.framework/Versions/2.0/usr/bin/ruby" -rubygems /Library/Ruby/Gems/2.0.0/gems/rake-0.9.6/bin/rake RUBYARCHDIR=/Library/Ruby/Gems/2.0.0/gems/xcodeproj-0.17.0/ext RUBYLIBDIR=/Library/Ruby/Gems/2.0.0/gems/xcodeproj-0.17.0/ext
/System/Library/Frameworks/Ruby.framework/Versions/2.0/usr/bin/ruby extconf.rb
checking for -std=c99 option to compiler... *** 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
    --without-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=/System/Library/Frameworks/Ruby.framework/Versions/2.0/usr/bin/ruby
/System/Library/Frameworks/Ruby.framework/Versions/2.0/usr/lib/ruby/2.0.0/mkmf.rb:434:in `try_do': The compiler failed to generate an executable file. (RuntimeError)
You have to install development tools first.
    from /System/Library/Frameworks/Ruby.framework/Versions/2.0/usr/lib/ruby/2.0.0/mkmf.rb:549:in `block in try_compile'
    from /System/Library/Frameworks/Ruby.framework/Versions/2.0/usr/lib/ruby/2.0.0/mkmf.rb:502:in `with_werror'
    from /System/Library/Frameworks/Ruby.framework/Versions/2.0/usr/lib/ruby/2.0.0/mkmf.rb:549:in `try_compile'
    from extconf.rb:24:in `block in <main>'
    from /System/Library/Frameworks/Ruby.framework/Versions/2.0/usr/lib/ruby/2.0.0/mkmf.rb:895:in `block in checking_for'
    from /System/Library/Frameworks/Ruby.framework/Versions/2.0/usr/lib/ruby/2.0.0/mkmf.rb:340:in `block (2 levels) in postpone'
    from /System/Library/Frameworks/Ruby.framework/Versions/2.0/usr/lib/ruby/2.0.0/mkmf.rb:310:in `open'
    from /System/Library/Frameworks/Ruby.framework/Versions/2.0/usr/lib/ruby/2.0.0/mkmf.rb:340:in `block in postpone'
    from /System/Library/Frameworks/Ruby.framework/Versions/2.0/usr/lib/ruby/2.0.0/mkmf.rb:310:in `open'
    from /System/Library/Frameworks/Ruby.framework/Versions/2.0/usr/lib/ruby/2.0.0/mkmf.rb:336:in `postpone'
    from /System/Library/Frameworks/Ruby.framework/Versions/2.0/usr/lib/ruby/2.0.0/mkmf.rb:894:in `checking_for'
    from extconf.rb:23:in `<main>'
rake aborted!
Command failed with status (1): [/System/Library/Frameworks/Ruby.framework/...]
/Library/Ruby/Gems/2.0.0/gems/xcodeproj-0.17.0/ext/xcodeproj/Rakefile:37:in `block in <top (required)>'
Tasks: TOP => default => ext
(See full trace by running task with --trace)


Gem files will remain installed in /Library/Ruby/Gems/2.0.0/gems/xcodeproj-0.17.0 for inspection.
Results logged to /Library/Ruby/Gems/2.0.0/gems/xcodeproj-0.17.0/ext/xcodeproj/gem_make.out

我怀疑这可能与我在一个单独的分区上有优胜美地这一事实有关，但除此之外我一无所知。

Answer 1

我遇到了同样的问题。 经过与其他人相同的步骤后，以下工作。

1. $ xcode-select --install（确认安装命令行工具）

2. 安装nvm stable（和自制程序）：$ \\ curl -sSL https://get.rvm.io | bash -s稳定

3. 关闭/重新开放终端

4. 安装ruby 2.1.2：$ rvm install 2.1

5. 切换到它：$ rvm使用2.1

6. 卸载/重新安装xcodeproj和cocoapods

Answer 2

Xcode 6.0 GM缺少10.10 SDK，因此无法编译gem xcodeproj ，其中包含一些需要10.10 SDK的C代码。 这将在未来修复。 现在你可以像这样解决它：

• 终端：sudo gem卸载cocoapods xcodeproj
• 下载Xcode 6.1（目前Beta 2是当前版本）
• 启动它转到设置 - >位置 - >命令行工具 - >更改为Xcode 6.1 Beta
• 终端：sudo gem安装cocoapods
• 将命令行工具更改回GM（如果您需要/需要）

有关更多信息，请参阅： https ： //github.com/CocoaPods/CocoaPods/issues/2432