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mac os gem安裝json出現(xiàn)error failed的解決辦法

 更新時間：2014年06月27日 08:46:28   投稿：junjie  
這篇文章主要介紹了mac os gem安裝json出現(xiàn)error failed的解決辦法,系統(tǒng)是mac os Mavericks,失敗提示Failed to build gem native extension,需要的朋友可以參考下

升級到最新的mac os Mavericks。裝json出現(xiàn)錯誤：

復制代碼 代碼如下:

gem install json -v '1.8.1'


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

    /usr/local/var/rbenv/versions/2.0.0-p247/bin/ruby extconf.rb
creating Makefile

make "DESTDIR="
compiling generator.c
In file included from /usr/local/var/rbenv/versions/2.0.0-p247/include/ruby-2.0.0/ruby.h:33,
                 from ../fbuffer/fbuffer.h:5,
                 from generator.c:1:
/usr/local/var/rbenv/versions/2.0.0-p247/include/ruby-2.0.0/ruby/ruby.h:51:21: error: string.h: No such file or directory
/usr/local/var/rbenv/versions/2.0.0-p247/include/ruby-2.0.0/ruby/ruby.h:61:21: error: stdint.h: No such file or directory
/usr/local/var/rbenv/versions/2.0.0-p247/include/ruby-2.0.0/ruby/ruby.h:64:23: error: inttypes.h: No such file or directory
/usr/local/var/rbenv/versions/2.0.0-p247/include/ruby-2.0.0/ruby/ruby.h:68:19: error: stdio.h: No such file or directory


解決辦法：
復制代碼 代碼如下:
xcode-select --install

需要重新安裝Command Line Developer Tools

如果這個辦法還是不行，mac下需要安裝下apple-gcc42

復制代碼 代碼如下:
brew install apple-gcc42

注意brew 0.9.4應該是不帶apple-gcc42的源的，可以使用brew doctor檢查下是否和Mavericks兼容，這里需要升級
復制代碼 代碼如下:
brew update

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