无法使用JRuby构建gem本机扩展 [英] Failed to build gem native extension with JRuby

问题描述

我使用 ruby​​-将ruby版本从ruby 1.9.3-p125更改为JRuby 1.7.0-preview1。构建。当我在项目上执行 jruby -S bundle install 时，会出现以下错误，

I change the ruby version from ruby 1.9.3-p125 to JRuby 1.7.0-preview1 with ruby-build. When I execute jruby -S bundle install on my project, there are some errors as below,

...
Using bson (1.6.2) 
Installing bson_ext (1.6.2) with native extensions
Gem::Installer::ExtensionBuildError: ERROR: Failed to build gem native extension.

        /Users/joshchang/.rbenv/versions/jruby-1.7.0-preview1/bin/jruby extconf.rb 
NotImplementedError: C extension support is not enabled. Pass -Xcext.enabled=true to JRuby or set JRUBY_OPTS or modify .jrubyrc to enable.

   (root) at /Users/joshchang/.rbenv/versions/jruby-1.7.0-preview1/lib/ruby/shared/mkmf.rb:8
  require at org/jruby/RubyKernel.java:991
   (root) at /Users/joshchang/.rbenv/versions/jruby-1.7.0-preview1/lib/ruby/shared/rubygems/custom_require.rb:1
   (root) at extconf.rb:1
...

有什么建议吗？

推荐答案

JRUBY_OPTS =-Xcext.enabled = true gem install< your gem> 应该可以！

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