Ich habe Probleme mit der Installation von rmagick in einem Berglöwen. Ich habe Xcode 4.4 und Entwicklertools installiert. Immer noch mit diesem Problem konfrontiert.

    Installing rmagick (2.13.1) with native extensions Unfortunately, a fatal error has occurred. Please report this error to the Bundler issue tracker at https://github.com/carlhuda/bundler/issues so that we can fix it. Thanks!
    /Users/mohit/.rvm/rubies/ruby-1.9.3-p125/lib/ruby/site_ruby/1.9.1/rubygems/installer.rb:552:in `rescue in block in build_extensions': ERROR: Failed to build gem native extension. (Gem::Installer::ExtensionBuildError)

            /Users/mohit/.rvm/rubies/ruby-1.9.3-p125/bin/ruby extconf.rb 
    checking for Ruby version >= 1.8.5... yes
    extconf.rb:128: Use RbConfig instead of obsolete and deprecated Config.
    checking for clang... 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
        --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/mohit/.rvm/rubies/ruby-1.9.3-p125/bin/ruby
    /Users/mohit/.rvm/rubies/ruby-1.9.3-p125/lib/ruby/1.9.1/mkmf.rb:381:in `try_do': The compiler failed to generate an executable file. (RuntimeError)
    You have to install development tools first.
        from /Users/mohit/.rvm/rubies/ruby-1.9.3-p125/lib/ruby/1.9.1/mkmf.rb:506:in `try_cpp'
        from /Users/mohit/.rvm/rubies/ruby-1.9.3-p125/lib/ruby/1.9.1/mkmf.rb:931:in `block in have_header'
        from /Users/mohit/.rvm/rubies/ruby-1.9.3-p125/lib/ruby/1.9.1/mkmf.rb:790:in `block in checking_for'
        from /Users/mohit/.rvm/rubies/ruby-1.9.3-p125/lib/ruby/1.9.1/mkmf.rb:284:in `block (2 levels) in postpone'
        from /Users/mohit/.rvm/rubies/ruby-1.9.3-p125/lib/ruby/1.9.1/mkmf.rb:254:in `open'
        from /Users/mohit/.rvm/rubies/ruby-1.9.3-p125/lib/ruby/1.9.1/mkmf.rb:284:in `block in postpone'
        from /Users/mohit/.rvm/rubies/ruby-1.9.3-p125/lib/ruby/1.9.1/mkmf.rb:254:in `open'
        from /Users/mohit/.rvm/rubies/ruby-1.9.3-p125/lib/ruby/1.9.1/mkmf.rb:280:in `postpone'
        from /Users/mohit/.rvm/rubies/ruby-1.9.3-p125/lib/ruby/1.9.1/mkmf.rb:789:in `checking_for'
        from /Users/mohit/.rvm/rubies/ruby-1.9.3-p125/lib/ruby/1.9.1/mkmf.rb:930:in `have_header'
        from extconf.rb:193:in `<main>'


    Gem files will remain installed in /Users/mohit/.rvm/gems/ruby-1.9.3-p125/gems/rmagick-2.13.1 for inspection.
    Results logged to /Users/mohit/.rvm/gems/ruby-1.9.3-p125/gems/rmagick-2.13.1/ext/RMagick/gem_make.out
        from /Users/mohit/.rvm/rubies/ruby-1.9.3-p125/lib/ruby/site_ruby/1.9.1/rubygems/installer.rb:530:in `block in build_extensions'
        from /Users/mohit/.rvm/rubies/ruby-1.9.3-p125/lib/ruby/site_ruby/1.9.1/rubygems/installer.rb:505:in `each'
        from /Users/mohit/.rvm/rubies/ruby-1.9.3-p125/lib/ruby/site_ruby/1.9.1/rubygems/installer.rb:505:in `build_extensions'
        from /Users/mohit/.rvm/rubies/ruby-1.9.3-p125/lib/ruby/site_ruby/1.9.1/rubygems/installer.rb:180:in `install'
        from /Users/mohit/.rvm/gems/ruby-1.9.3-p125/gems/bundler-1.1.0/lib/bundler/source.rb:90:in `block in install'
        from /Users/mohit/.rvm/gems/ruby-1.9.3-p125/gems/bundler-1.1.0/lib/bundler/rubygems_integration.rb:82:in `preserve_paths'
        from /Users/mohit/.rvm/gems/ruby-1.9.3-p125/gems/bundler-1.1.0/lib/bundler/source.rb:89:in `install'
        from /Users/mohit/.rvm/gems/ruby-1.9.3-p125/gems/bundler-1.1.0/lib/bundler/installer.rb:73:in `block in install_gem_from_spec'
        from /Users/mohit/.rvm/gems/ruby-1.9.3-p125/gems/bundler-1.1.0/lib/bundler/rubygems_integration.rb:97:in `with_build_args'
        from /Users/mohit/.rvm/gems/ruby-1.9.3-p125/gems/bundler-1.1.0/lib/bundler/installer.rb:72:in `install_gem_from_spec'
        from /Users/mohit/.rvm/gems/ruby-1.9.3-p125/gems/bundler-1.1.0/lib/bundler/installer.rb:56:in `block in run'
        from /Users/mohit/.rvm/gems/ruby-1.9.3-p125/gems/bundler-1.1.0/lib/bundler/installer.rb:55:in `run'
        from /Users/mohit/.rvm/gems/ruby-1.9.3-p125/gems/bundler-1.1.0/lib/bundler/installer.rb:12:in `install'
        from /Users/mohit/.rvm/gems/ruby-1.9.3-p125/gems/bundler-1.1.0/lib/bundler/cli.rb:220:in `install'
        from /Users/mohit/.rvm/gems/ruby-1.9.3-p125/gems/bundler-1.1.0/lib/bundler/vendor/thor/task.rb:22:in `run'
        from /Users/mohit/.rvm/gems/ruby-1.9.3-p125/gems/bundler-1.1.0/lib/bundler/vendor/thor/invocation.rb:118:in `invoke_task'
        from /Users/mohit/.rvm/gems/ruby-1.9.3-p125/gems/bundler-1.1.0/lib/bundler/vendor/thor.rb:263:in `dispatch'
        from /Users/mohit/.rvm/gems/ruby-1.9.3-p125/gems/bundler-1.1.0/lib/bundler/vendor/thor/base.rb:386:in `start'
        from /Users/mohit/.rvm/gems/ruby-1.9.3-p125/gems/bundler-1.1.0/bin/bundle:13:in `<top (required)>'
        from /Users/mohit/.rvm/gems/ruby-1.9.3-p125/bin/bundle:19:in `load'
        from /Users/mohit/.rvm/gems/ruby-1.9.3-p125/bin/bundle:19:in `<main>'