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I am trying to install argon2 gem on JRuby 9.1.13, Here is the gem's homepage. So I run gem install argon2 and got the error

Fetching: argon2-1.1.2.gem (100%)
Building native extensions. This could take a while...
ERROR:  Error installing argon2:
    ERROR: Failed to build gem native extension.

current directory: C:/jruby-9.1.13.0/lib/ruby/gems/shared/gems/argon2-1.1.2/
ext/argon2_wrap
C:/jruby-9.1.13.0/bin/jruby.exe -r ./siteconf20180326-5312-1uqpyqe.rb extconf.rb

I understand that it has something to do with JRuby as I tried to install it on MRI Ruby and succeed.

As per the documentation it was tested on JRuby

Tested platforms are MRI Ruby 2.2, 2.3 and JRuby 9000. No assertions are made on other platforms.

Am I doing it wrong? Or are there any alternative gems for implementing argon2 on JRuby?

James Alain Dantes
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  • The gem's readme further states that [Windows is not a supported platform](https://github.com/technion/ruby-argon2#platform-issues). So unless you install Windows Subsystem for Linux (aka Ubuntu on Windows) or a virtual machine with Linux, you're basically out of luck there. – Jyrki Mar 26 '18 at 19:47
  • Yes Jyrki, I just found out a while ago. Thanks for answering :) – James Alain Dantes Mar 28 '18 at 06:16

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