你好我正在试图在windows上安装ruby，我安装了所有的gem，但是当我运行下面的命令时我无法安装yajl-ruby： gem install yajl-ruby。 它给我这个错误： Temporarily enhancing PATH for MSYS/MINGW... Building native extensions. This could take a while... ERROR: Error installing yajl-ruby: ERROR: Failed to build gem native extension.我在安装yajl-ruby的时候出现了一些错误
current directory: C:/Ruby24-x64/lib/ruby/gems/2.4.0/gems/yajl-ruby-1.3.0/ext/yajl C:/Ruby24-x64/bin/ruby.exe -r ./siteconf20170617-12896-vt754k.rb extconf.rb creating Makefile current directory: C:/Ruby24-x64/lib/ruby/gems/2.4.0/gems/yajl-ruby-1.3.0/ext/ya jl make "DESTDIR=" clean 'make' n'est pas reconnu en tant que commande interne ou externe, un programme exécutable ou un fichier de commandes.
current directory: C:/Ruby24-x64/lib/ruby/gems/2.4.0/gems/yajl-ruby-1.3.0/ext/yajl make "DESTDIR=" 'make' n'est pas reconnu en tant que commande interne ou externe, un programme exécutable ou un fichier de commandes.
make failed, exit code 1
Gem files will remain installed in C:/Ruby24-x64/lib/ruby/gems/2.4.0/gems/yajl-r uby-1.3.0 for inspection. Results logged to C:/Ruby24-x64/lib/ruby/gems/2.4.0/extensions/x64-mingw32/2.4.0 /yajl-ruby-1.3.0/gem_make.out