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在MAC OS X LION同时安装rmagic宝石，我正在拼命此错误：安装rmagick宝石失败狮子
Installing rmagick (2.13.1) with native extensions
Gem::Installer::ExtensionBuildError: ERROR: Failed to build gem native extension.
/Users/joel/.rvm/rubies/ruby-1.9.2-p290/bin/ruby extconf.rb
checking for Ruby version >= 1.8.5... yes
checking for gcc... yes
checking for Magick-config... yes
checking for ImageMagick version >= 6.4.9... yes
checking for HDRI disabled version of ImageMagick... yes
checking for stdint.h... *** 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=/Users/joel/.rvm/rubies/ruby-1.9.2-p290/bin/ruby
/Users/joel/.rvm/rubies/ruby-1.9.2-p290/lib/ruby/1.9.1/mkmf.rb:368:in `try_do': The complier failed to generate an executable file. (RuntimeError)
You have to install development tools first.
from /Users/joel/.rvm/rubies/ruby-1.9.2-p290/lib/ruby/1.9.1/mkmf.rb:452:in `try_cpp'
from /Users/joel/.rvm/rubies/ruby-1.9.2-p290/lib/ruby/1.9.1/mkmf.rb:834:in `block in have_header'
from /Users/joel/.rvm/rubies/ruby-1.9.2-p290/lib/ruby/1.9.1/mkmf.rb:693:in `block in checking_for'
from /Users/joel/.rvm/rubies/ruby-1.9.2-p290/lib/ruby/1.9.1/mkmf.rb:280:in `block (2 levels) in postpone'
from /Users/joel/.rvm/rubies/ruby-1.9.2-p290/lib/ruby/1.9.1/mkmf.rb:254:in `open'
from /Users/joel/.rvm/rubies/ruby-1.9.2-p290/lib/ruby/1.9.1/mkmf.rb:280:in `block in postpone'
from /Users/joel/.rvm/rubies/ruby-1.9.2-p290/lib/ruby/1.9.1/mkmf.rb:254:in `open'
from /Users/joel/.rvm/rubies/ruby-1.9.2-p290/lib/ruby/1.9.1/mkmf.rb:276:in `postpone'
from /Users/joel/.rvm/rubies/ruby-1.9.2-p290/lib/ruby/1.9.1/mkmf.rb:692:in `checking_for'
from /Users/joel/.rvm/rubies/ruby-1.9.2-p290/lib/ruby/1.9.1/mkmf.rb:833:in `have_header'
from extconf.rb:193:in `<main>'
Gem files will remain installed in /Users/joel/.rvm/gems/ruby-1.9.2-p290/gems/rmagick-2.13.1 for inspection.
Results logged to /Users/joel/.rvm/gems/ruby-1.9.2-p290/gems/rmagick-2.13.1/ext/RMagick/gem_make.out
An error occured while installing rmagick (2.13.1), and Bundler cannot continue.
Make sure that `gem install rmagick -v '2.13.1'` succeeds before bundling.
使用该安装程序前手安装ImageMagick的
http://cactuslab.com/imagemagick/ 我选了ImageMagick 6.7.3-2 for Mac OS X Lion
我花了几个小时在这上面，希望有人能够给我带头如何解决这个问题。
其他错误消息：
Can't install RMagick 2.13.1. Can't find MagickWand.h.