问答:错误:安装cocoapods时出错:错误:无法构建gem原生扩展 - 问答

Building native extensions. This could take a while... ERROR: Error installing cocoapods: ERROR: Failed to build gem native extension. "/usr/local/rvm/rubies/ruby-1.9.3-p194/bin/ruby" -rubygems /usr/local/rvm/gems/ruby-1.9.3-p194/gems/rake-10.1.1/bin/rake RUBYARCHDIR=/Users/rangreenberg/gems/gems/xcodeproj-0.14.1/ext RUBYLIBDIR=/Users/rangreenberg/gems/gems/xcodeproj-0.14.1/ext /usr/local/rvm/rubies/ruby-1.9.3-p194/bin/ruby extconf.rb checking for -std=c99 option to compiler... *** 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=/usr/local/rvm/rubies/ruby-1.9.3-p194/bin/ruby /usr/local/rvm/rubies/ruby-1.9.3-p194/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 /usr/local/rvm/rubies/ruby-1.9.3-p194/lib/ruby/1.9.1/mkmf.rb:491:in `block in try_compile' from /usr/local/rvm/rubies/ruby-1.9.3-p194/lib/ruby/1.9.1/mkmf.rb:443:in `with_werror' from /usr/local/rvm/rubies/ruby-1.9.3-p194/lib/ruby/1.9.1/mkmf.rb:491:in `try_compile' from extconf.rb:24:in `block in

' from /usr/local/rvm/rubies/ruby-1.9.3-p194/lib/ruby/1.9.1/mkmf.rb:790:in `block in checking_for' from /usr/local/rvm/rubies/ruby-1.9.3-p194/lib/ruby/1.9.1/mkmf.rb:284:in `block (2 levels) in postpone' from /usr/local/rvm/rubies/ruby-1.9.3-p194/lib/ruby/1.9.1/mkmf.rb:254:in `open' from /usr/local/rvm/rubies/ruby-1.9.3-p194/lib/ruby/1.9.1/mkmf.rb:284:in `block in postpone' from /usr/local/rvm/rubies/ruby-1.9.3-p194/lib/ruby/1.9.1/mkmf.rb:254:in `open' from /usr/local/rvm/rubies/ruby-1.9.3-p194/lib/ruby/1.9.1/mkmf.rb:280:in `postpone' from /usr/local/rvm/rubies/ruby-1.9.3-p194/lib/ruby/1.9.1/mkmf.rb:789:in `checking_for' from extconf.rb:23:in `

' rake aborted! Command failed with status (1): [/usr/local/rvm/rubies/ruby-1.9.3-p194/bin/...] Tasks: TOP => default => ext (See full trace by running task with --trace) Gem files will remain installed in /Users/rangreenberg/gems/gems/xcodeproj-0.14.1 for inspection. Results logged to /Users/rangreenberg/gems/gems/xcodeproj-0.14.1/ext/xcodeproj/gem_make.out