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想安裝memcached寶石在我的窗戶8.Am收到以下錯誤而執行gem install memcachedMemcached的寶石安裝錯誤
我已經安裝Devkit命令，並使用ruby1.9.3
C:\Users\aran>gem install memcached
Temporarily enhancing PATH to include DevKit...
Building native extensions. This could take a while.
..
ERROR: Error installing memcached:
ERROR: Failed to build gem native extension.
C:/ProgramData/RailsInstaller/Ruby1.9.3/bin/ruby.exe extconf.rb
checking for sasl/sasl.h... no
Please install SASL to continue. The package is called libsasl2-dev on Ubuntu an
d cyrus-sasl on Gentoo.
*** 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
--srcdir=.
--curdir
--ruby=C:/ProgramData/RailsInstaller/Ruby1.9.3/bin/ruby
Gem files will remain installed in C:/ProgramData/RailsInstaller/Ruby1.9.3/lib/r
uby/gems/1.9.1/gems/memcached-1.6.1 for inspection.
Results logged to C:/ProgramData/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/ge
ms/memcached-1.6.1/ext/gem_make.out
我該如何糾正這個錯誤？