我正在尝试让Rails与PostgreSQL协同工作。显然,其中一个必须完成的步骤是sudo gem install pg
。当我执行此命令时,出现以下提示:
jason@buster:~/projects$ sudo gem install pg
Building native extensions. This could take a while...
ERROR: Error installing pg:
ERROR: Failed to build gem native extension.
/usr/bin/ruby1.8 extconf.rb
extconf.rb:2:in `require': no such file to load -- mkmf (LoadError)
from extconf.rb:2
Gem files will remain installed in /var/lib/gems/1.8/gems/pg-0.10.0 for inspection.
Results logged to /var/lib/gems/1.8/gems/pg-0.10.0/ext/gem_make.out
我已经谷歌搜索并尝试了一些基于我找到的内容的东西,但似乎没有什么帮助。有什么建议吗?我在Ubuntu操作系统上。