07/07/24 05:39:41 +zPlem+W
sudo gem install fastthread
しようとすると、
Select which gem to install for your platform (x86_64-linux)
1. fastthread 1.0 (ruby)
2. fastthread 1.0 (mswin32)
3. fastthread 0.6.4.1 (ruby)
......
>1
Building native extensions. This could take a while...
extconf.rb:1:in `require': no such file to load -- mkmf (LoadError)
from extconf.rb:1
ERROR: While executing gem ... (RuntimeError)
ERROR: Failed to build gem native extension.
Gem files will remain installed in /var/lib/gems/1.8/gems/fastthread-1.0 for inspection.
Results logged to /var/lib/gems/1.8/gems/fastthread-1.0/ext/fastthread/gem_make.out
となってインストールできないんだけど設定とかの問題なの？