How to tell a gem not to be installed on JRuby?
Question
如何配置gem，使其无法安装在JRuby上？
1 answers
solution1
3 ACCPTED 2012-02-20 16:56:53
in *.gemspec:
s.platform = 'ruby'
possible platform values:
ruby
C Ruby (MRI) or Rubinius, but NOT Windows
ruby_18
ruby AND version 1.8
ruby_19
ruby AND version 1.9
mri
Same as ruby, but not Rubinius
mri_18
mri AND version 1.8
mri_19
mri AND version 1.9
rbx
Same as ruby, but only Rubinius (not MRI)
jruby
JRuby
mswin
Windows
mingw
Windows 'mingw32' platform (aka RubyInstaller)
mingw_18
mingw AND version 1.8
mingw_19
mingw AND version 1.9
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