しんせつ

anemone_install.log

$ gem install anemone                                                                                                     [40/62]
Fetching: mini_portile-0.6.2.gem (100%)
Successfully installed mini_portile-0.6.2
Fetching: nokogiri-1.6.6.2.gem (100%)
Building native extensions.  This could take a while...
ERROR:  Error installing anemone:
        ERROR: Failed to build gem native extension.

    /usr/local/Cellar/ruby/2.1.2_2/bin/ruby extconf.rb
checking if the C compiler accepts ... yes
checking if the C compiler accepts -Wno-error=unused-command-line-argument-hard-error-in-future... no
Building nokogiri using packaged libraries.
-----
The file "/usr/include/iconv.h" is missing in your build environment,
which means you haven't installed Xcode Command Line Tools properly.

To install Command Line Tools, try running `xcode-select --install` on
terminal and follow the instructions.  If it fails, open Xcode.app,
select from the menu "Xcode" - "Open Developer Tool" - "More Developer
Tools" to open the developer site, download the installer for your OS
version and run it.
-----
*** 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/Cellar/ruby/2.1.2_2/bin/ruby
        --help
        --clean
        --use-system-libraries
        --enable-static
        --disable-static
        --with-zlib-dir
        --without-zlib-dir
        --with-zlib-include
        --without-zlib-include=${zlib-dir}/include
        --with-zlib-lib
        --without-zlib-lib=${zlib-dir}/lib
        --enable-cross-build
        --disable-cross-build

extconf failed, exit code 1

Gem files will remain installed in /usr/local/lib/ruby/gems/2.1.0/gems/nokogiri-1.6.6.2 for inspection.
Results logged to /usr/local/lib/ruby/gems/2.1.0/extensions/x86_64-darwin-13/2.1.0/nokogiri-1.6.6.2/gem_make.out

$ xcode-select --install
xcode-select: note: install requested for command line developer tools

$ gem install anemone
Building native extensions.  This could take a while...
Successfully installed nokogiri-1.6.6.2
Fetching: robotex-1.0.0.gem (100%)
Successfully installed robotex-1.0.0
Fetching: anemone-0.7.2.gem (100%)
Successfully installed anemone-0.7.2
Parsing documentation for anemone-0.7.2
Installing ri documentation for anemone-0.7.2
Parsing documentation for nokogiri-1.6.6.2
Installing ri documentation for nokogiri-1.6.6.2
Parsing documentation for robotex-1.0.0
Installing ri documentation for robotex-1.0.0
Done installing documentation for anemone, nokogiri, robotex after 8 seconds
3 gems installed