我试图使用ruby1.9.1在Ubuntu Natty Narwhal 11.04上安装rails.
我安装了apt-get install ruby1.9.1-full包含dev包的ruby .我用Google搜索了错误,所有人都建议我安装我已经拥有的1.9.1-dev.
Building native extensions. This could take a while...
ERROR: Error installing rails:
ERROR: Failed to build gem native extension.
/usr/bin/ruby1.8 extconf.rb
extconf.rb:36:in `require': no such file to load -- mkmf (LoadError)
from extconf.rb:36
Gem files will remain installed in /usr/lib/ruby/gems/1.8/gems/bcrypt-ruby-3.0.1 for inspection.
Results logged to /usr/lib/ruby/gems/1.8/gems/bcrypt-ruby-3.0.1/ext/mri/gem_make.out
在运行bundle install时,我在'pg'gem中得到以下错误我将gem更改为sqlite然后也得到相同的错误.这是我的错误消息.
Gem::Installer::ExtensionBuildError: ERROR: Failed to build gem native extension.
/usr/bin/ruby1.9.1 extconf.rb
/usr/lib/ruby/1.9.1/rubygems/custom_require.rb:36:in `require': cannot load such file -- mkmf (LoadError)
from /usr/lib/ruby/1.9.1/rubygems/custom_require.rb:36:in `require'
from extconf.rb:2:in `<main>'
Gem files will remain installed in /var/lib/gems/1.9.1/gems/pg-0.16.0 for inspection.
Results logged to /var/lib/gems/1.9.1/gems/pg-0.16.0/ext/gem_make.out
An error occurred while installing pg (0.16.0), and Bundler cannot continue.
Make sure that `gem install pg -v '0.16.0'` succeeds before bundling.
我试过apt-get install libpg-dev gem install pg -v '0.16.0'什么都没有帮助我
我正在尝试在Ubuntu上安装Rails:
sudo gem install rails
但我遇到了麻烦:
Building native extensions. This could take a while...
ERROR: Error installing rails:
ERROR: Failed to build gem native extension.
/usr/bin/ruby1.9.1 extconf.rb
/usr/local/lib/site_ruby/1.9.1/rubygems/custom_require.rb:36:in `require': cannot load such file -- mkmf (LoadError)
from /usr/local/lib/site_ruby/1.9.1/rubygems/custom_require.rb:36:in `require'
from extconf.rb:1:in `<main>'
Gem files will remain installed in /usr/lib/ruby/gems/1.9.1/gems/json-1.7.7 for inspection.
Results logged to /usr/lib/ruby/gems/1.9.1/gems/json-1.7.7/ext/json/ext/generator/gem_make.out
问题是什么？
Saads-Mac-Pro:~ SMD$ gem install rails
Building native extensions. This could take a while...
/Users/SMD/.rvm/rubies/ruby-2.0.0- p247/lib/ruby/site_ruby/2.0.0/rubygems/ext/builder.rb:54: warning: Insecure world writable dir /usr in PATH, mode 040777
ERROR: Error installing rails:
ERROR: Failed to build gem native extension.
/Users/SMD/.rvm/rubies/ruby-2.0.0-p247/bin/ruby extconf.rb
*** extconf.rb failed ***
Could not create Makefile due to some reason, probably lack of necessary
libraries and/or headers. Check the mkmf.log file for more details. You may
need configuration options.
Provided configuration options:
--with-opt-dir
--without-opt-dir
--with-opt-include
--without-opt-include=${opt-dir}/include
--with-opt-lib
--without-opt-lib=${opt-dir}/lib
--with-make-prog
--without-make-prog …