Ruby on railsのインストールat windows…失敗

調子乗ってrailsっての入れちゃうぞー。 gem install railsってのでええんやろ？！→駄目でした

>gem install rails
Temporarily enhancing PATH to include DevKit...
Building native extensions.  This could take a while...
ERROR:  Error installing rails:
        ERROR: Failed to build gem native extension.

    current directory: C:/_MyProgram/Ruby23-x64/lib/ruby/gems/2.3.0/gems/nokogiri-1.6.7.1/ext/nokogiri
C:/_MyProgram/Ruby23-x64/bin/ruby.exe -r ./siteconf20160110-22920-13vsfxl.rb extconf.rb
checking if the C compiler accepts ... *** 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
        --srcdir=.
        --curdir
        --ruby=C:/_MyProgram/Ruby23-x64/bin/ruby
        --help
        --clean
C:/_MyProgram/Ruby23-x64/lib/ruby/2.3.0/mkmf.rb:456:in `try_do': The compiler failed to generate an executable file. (RuntimeError)
You have to install development tools first.
        from C:/_MyProgram/Ruby23-x64/lib/ruby/2.3.0/mkmf.rb:571:in `block in try_compile'
        from C:/_MyProgram/Ruby23-x64/lib/ruby/2.3.0/mkmf.rb:522:in `with_werror'
        from C:/_MyProgram/Ruby23-x64/lib/ruby/2.3.0/mkmf.rb:571:in `try_compile'
        from extconf.rb:80:in `nokogiri_try_compile'
        from extconf.rb:87:in `block in add_cflags'
        from C:/_MyProgram/Ruby23-x64/lib/ruby/2.3.0/mkmf.rb:629:in `with_cflags'
        from extconf.rb:86:in `add_cflags'
        from extconf.rb:336:in `<main>'

To see why this extension failed to compile, please check the mkmf.log which can be found here:

  C:/_MyProgram/Ruby23-x64/lib/ruby/gems/2.3.0/extensions/x64-mswin64-100/2.3.0/nokogiri-1.6.7.1/mkmf.log

extconf failed, exit code 1

Gem files will remain installed in C:/_MyProgram/Ruby23-x64/lib/ruby/gems/2.3.0/gems/nokogiri-1.6.7.1 for inspection.
Results logged to C:/_MyProgram/Ruby23-x64/lib/ruby/gems/2.3.0/extensions/x64-mswin64-100/2.3.0/nokogiri-1.6.7.1/gem_make.out

最初はvirtualBox入れてlinux上でやるべきなのかな

r888888888/danbooruってソフトを使ってみたかったんだがな。レポジトリでも落としておくか＞danbooru-master.zip