我最近开始使用 Joe Kutner 的书“使用 JRuby 部署”来探索 JRuby ,但是在尝试安装jruby-lint gem 时遇到了问题。下面是我尝试的输出,包括 Java、JRuby 和我的操作系统的版本号。
我不明白输出,尤其是为什么 nokogiri 不会安装为 jruby-lint 依赖项,而是会自行安装。虽然现在报告 jruby-lint gem 已正确安装,但它还没有提供要使用的jrlint可执行文件/脚本,我不知道从哪里开始。有任何想法吗?
C:\Dev\repos\twitalytics>jruby --version
jruby 1.7.3 (1.9.3p385) 2013-02-21 dac429b on Java HotSpot(TM) 64-Bit Server VM 1.7.0_21-b11 [Windows 7-amd64]
C:\Dev\repos\twitalytics>jruby -S gem install jruby-lint
Building native extensions. This could take a while...
ERROR: Error installing jruby-lint:
ERROR: Failed to build gem native extension.
C:/Dev/jruby-1.7.3/bin/jruby.exe 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 C:/Dev/jruby-1.7.3/lib/ruby/shared/mkmf.rb:8
require at org/jruby/RubyKernel.java:1027
(root) at C:/Dev/jruby-1.7.3/lib/ruby/shared/rubygems/custom_require.rb:1
(root) at extconf.rb:5
Gem files will remain installed in C:/Users/Owen/.gem/jruby/1.8/gems/nokogiri-1.6.0.rc1 for inspection.
Results logged to C:/Users/Owen/.gem/jruby/1.8/gems/nokogiri-1.6.0.rc1/ext/nokogiri/gem_make.out
C:\Dev\repos\twitalytics>set JRUBY_OPTS=--1.8
C:\Dev\jruby-1.7.3>jruby --version
jruby 1.7.3 (ruby-1.8.7p370) 2013-02-21 dac429b on Java HotSpot(TM) 64-Bit Server VM 1.7.0_21-b11 [Windows 7-amd64]
C:\Dev\repos\twitalytics>jruby -S gem install jruby-lint
ERROR: Error installing jruby-lint:
nokogiri requires Ruby version >= 1.9.2.
C:\Dev\repos\twitalytics>jruby -S gem install nokogiri
Fetching: nokogiri-1.5.9-java.gem (100%)
Successfully installed nokogiri-1.5.9-java
1 gem installed
C:\Dev\repos\twitalytics>jruby -S gem install jruby-lint
Fetching: jruby-lint-0.4.1.gem (100%)
Successfully installed jruby-lint-0.4.1
1 gem installed
C:\Dev\repos\twitalytics>jrlint
'jrlint' is not recognized as an internal or external command,
operable program or batch file.