無法安裝Rails

Question

我正試圖在OS X Lion上安裝Rails並獲取下面的消息。我已經安裝了Ruby並更新到了rubyGems版本1.8.5。

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

/opt/local/bin/ruby extconf.rb 
creating Makefile 
make 
/usr/bin/gcc-4.2 -I. -I/opt/local/lib/ruby/1.8/i686-darwin10 -I/opt/local/lib/ruby/1.8/i686-darwin10 -I. -I/opt/local/include -D_XOPEN_SOURCE -D_DARWIN_C_SOURCE -fno-common -O2 -arch x86_64 -fno-common -pipe -fno-common -O3 -Wall -arch x86_64 -c parser.c 
make: /usr/bin/gcc-4.2: No such file or directory 
make: *** [parser.o] Error 1 

Gem files will remain installed in /opt/local/lib/ruby/gems/1.8/gems/json-1.7.0 for inspection. 
Results logged to /opt/local/lib/ruby/gems/1.8/gems/json-1.7.0/ext/json/ext/parser/gem_make.out 

Answer 1

它看起來像你的gcc缺失。似乎發生在獅子。嘗試重新安裝XCode和命令行工具，或者通過安裝一個Homebrew