我正在尝试安装 Gherkin 2.1.5，嗯，实际上它是https://github.com/opencongress/opencongress的依赖项。我正在使用bundle install代码的根目录进行安装，安装了大约 20-30 个包，现在我被困在这个上面了。我在跑步：
Linux 3.2.0-27-generic #43-Ubuntu SMP
Linux Mint 13 Maya
这是停止安装后的输出。
---snip--(a bunch of usings)
Installing gherkin (2.1.5) with native extensions
Gem::Installer::ExtensionBuildError: ERROR: Failed to build gem native extension.
/usr/bin/ruby1.8 extconf.rb
checking for main() in -lc... yes
creating Makefile
make
gcc -I. -I. -I/usr/lib/ruby/1.8/x86_64-linux -I. -D_FORTIFY_SOURCE=2 -D_FORTIFY_SOURCE=2 -fPIC -fno-strict-aliasing -g -g -O2 -fPIC -O0 -Wall -Werror -c gherkin_lexer_ar.c
/Users/aslakhellesoy/scm/gherkin/tasks/../ragel/i18n/ar.c.rl: In function ‘CLexer_scan’:
/Users/aslakhellesoy/scm/gherkin/tasks/../ragel/i18n/ar.c.rl:198:29: error: the comparison will always evaluate as ‘true’ for the address of ‘raise_lexer_error’ will never be NULL [-Werror=address]
/Users/aslakhellesoy/scm/gherkin/tasks/../ragel/i18n/ar.c.rl:198:29: error: the comparison will always evaluate as ‘true’ for the address of ‘raise_lexer_error’ will never be NULL [-Werror=address]
cc1: all warnings being treated as errors
make: *** [gherkin_lexer_ar.o] Error 1
Gem files will remain installed in /usr/lib/ruby/gems/1.8/gems/gherkin-2.1.5 for inspection.
Results logged to /usr/lib/ruby/gems/1.8/gems/gherkin-2.1.5/ext/gherkin_lexer_ar/gem_make.out
我以前从来没有用过 ruby 编程，所以我对整个安装过程有点脱节。我刚刚弄清楚如何安装红布，并认为我做得很好。感谢您的任何建议。