在OSX10.9上安装kdtree，未能编译本机扩展

Question

您可能会遇到一个问题，在您的机器上编译kdtree gem的本机扩展。该错误可能类似于以下内容：

X-MacBook-Pro:Pitot X$ sudo gem install kdtree
Building native extensions.  This could take a while...
ERROR:  Error installing kdtree:
ERROR: Failed to build gem native extension.

/Users/X/.rvm/rubies/ruby-1.9.3-p327/bin/ruby extconf.rb
creating Makefile

make
compiling kdtree.c
In file included from /Users/X/.rvm/rubies/ruby-1.9.3-p327/include/ruby-1.9.1/ruby.h:32,
             from kdtree.c:1:
/Users/X/.rvm/rubies/ruby-1.9.3-p327/include/ruby-1.9.1/ruby/ruby.h:48:21: error: string.h: No such file or directory
/Users/X/.rvm/rubies/ruby-1.9.3-p327/include/ruby-1.9.1/ruby/ruby.h:58:21: error: stdint.h: No such file or directory
/Users/X/.rvm/rubies/ruby-1.9.3-p327/include/ruby-1.9.1/ruby/ruby.h:61:23: error: inttypes.h: No such file or directory
/Users/X/.rvm/rubies/ruby-1.9.3-p327/include/ruby-1.9.1/ruby/ruby.h:65:19: error: stdio.h: No such file or directory

<snip>

Answer 1

可以通过运行以下命令来解决这个问题：

xcode-select --install

然后跑：

sudo gem install kdtree

在运行邦德勒之前。