Question

windows 10. ruby 2.2.4。我已经尝试了所有的devkit东西以及解决这个问题的方法。我已经看了好几个小时，没有成功。当我尝试捆绑时，它不会安装json。当我尝试安装json时，它说

"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 ./siteconf20160303-4132-alefq2.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"

Answer 1

我面临着同样的问题。我克隆的仓库中的Gemfile.lock的json版本比我已经安装的版本旧。我没有设法卸载较新的版本，但是我确实用新版本替换了Gemfile.lock中的旧版本号，现在看来可以正常工作了。

Answer 2

您应该运行devkit installation scripts 特别要注意devkitvars.bat。

无法安装json（Ruby不起作用）

2 个答案: