2
gem install unf_ext -v '0.0.6'
localhost:workflow_boyun ryan007$ gem install unf_ext -v '0.0.6'
Building native extensions. This could take a while...
ERROR: Error installing unf_ext:
ERROR: Failed to build gem native extension.
/Users/ryan007/.rvm/rubies/ruby-1.9.3-p392/bin/ruby extconf.rb
checking for main() in -lstdc++... *** 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/ryan007/.rvm/rubies/ruby-1.9.3-p392/bin/ruby
--with-stdc++lib
--without-stdc++lib
/Users/ryan007/.rvm/rubies/ruby-1.9.3-p392/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/ryan007/.rvm/rubies/ruby-1.9.3-p392/lib/ruby/1.9.1/mkmf.rb:461:in `try_link0'
from /Users/ryan007/.rvm/rubies/ruby-1.9.3-p392/lib/ruby/1.9.1/mkmf.rb:476:in `try_link'
from /Users/ryan007/.rvm/rubies/ruby-1.9.3-p392/lib/ruby/1.9.1/mkmf.rb:619:in `try_func'
from /Users/ryan007/.rvm/rubies/ruby-1.9.3-p392/lib/ruby/1.9.1/mkmf.rb:845:in `block in have_library'
from /Users/ryan007/.rvm/rubies/ruby-1.9.3-p392/lib/ruby/1.9.1/mkmf.rb:790:in `block in checking_for'
from /Users/ryan007/.rvm/rubies/ruby-1.9.3-p392/lib/ruby/1.9.1/mkmf.rb:284:in `block (2 levels) in postpone'
from /Users/ryan007/.rvm/rubies/ruby-1.9.3-p392/lib/ruby/1.9.1/mkmf.rb:254:in `open'
from /Users/ryan007/.rvm/rubies/ruby-1.9.3-p392/lib/ruby/1.9.1/mkmf.rb:284:in `block in postpone'
from /Users/ryan007/.rvm/rubies/ruby-1.9.3-p392/lib/ruby/1.9.1/mkmf.rb:254:in `open'
from /Users/ryan007/.rvm/rubies/ruby-1.9.3-p392/lib/ruby/1.9.1/mkmf.rb:280:in `postpone'
from /Users/ryan007/.rvm/rubies/ruby-1.9.3-p392/lib/ruby/1.9.1/mkmf.rb:789:in `checking_for'
from /Users/ryan007/.rvm/rubies/ruby-1.9.3-p392/lib/ruby/1.9.1/mkmf.rb:840:in `have_library'
from extconf.rb:2:in `<main>'
Gem files will remain installed in /Users/ryan007/.rvm/gems/[email protected]/gems/unf_ext-0.0.6 for inspection.
Results logged to /Users/ryan007/.rvm/gems/[email protected]/gems/unf_ext-0.0.6/ext/unf_ext/gem_make.out
我发现'xcode-select'运行正常,但没有帮助我的宝石。 (我在OS X 10.9.1中安装了'debugger' gem,Ruby 1.9.3)。从Apple Developer Tools安装命令行工具软件包是很有效的,如[Xcode 4.4及更高版本安装命令行工具](http://stackoverflow.com/questions/9329243/xcode-4-4-and-later-install-command-line-tools),所以也试试。 –