尝试安装此gem时，我会收到以下内容：
Temporarily enhancing path to include DevKit...
Building native extensions. This could take a while...
ERROR: Error installing json:
ERROR: Failed to build gem native extension
C:/Ruby22-x64/bin/ruby.exe -r ./siteconf20161103-12844-13cqnmb.rb extconf.rb creating Makefile
make "DESTDIR=" clean
'make' is not recognized as an internal or external command, operable program, or batch file.
make "DESTDIR="
'make is not recognized as an internal or external command, operable program, or batch file.
make failed, exit code 1
Gem files will remain installed in C:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/json-1.8.3 for inspection.
Results logged to C:/Ruby22-x64/lib/ruby/gems/2.2.0/extensions/x64-mingw32/2.2.0/json-1.8.3/gem_make.out
gem_make.out文件不在该文件夹中。这是我需要安装的最后一个宝石。我需要做些什么来解决这个问题？