gem install 时报错，no such file to load -- zlib (解决方案)

很多初玩ruby的同学，

通过ruby 的gem install安装时，经常会遇到的错误 

[root@localhost zlib]# gem install rails51Testing软件测试网s4N_9DB^w

ERROR:  Loading command: install (LoadError)51Testing软件测试网-Zi3zly*R

cannot load such file -- zlib51Testing软件测试网_ BMhu/rr Z[ T

ERROR:  While executing gem ... (NoMethodError)51Testing软件测试网_E(Df;`!bM8X1e@y

undefined method `invoke_with_build_args' for nil:NilClass51Testing软件测试网;yP0l
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解决方案：

进入ruby源码文件夹 
? Y$J5uxM2JqR0安装ruby自身提供的zlib包 51Testing软件测试网/c ffMqT(~i
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#cd ext/zlib51Testing软件测试网yfR+DOJm'r"o
#ruby ./extconf.rb
O9n[6l }1y[0#make51Testing软件测试网*`9K-Q d6{_mU'K
#make install

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问题解决

l.hRbO0

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-----

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附上另外一个错误的解决方案51Testing软件测试网 `~QSCR1LX

--with-openssl-include=/usr/local/ssl/include/ --with-openssl-lib=/usr/local/ssl/lib  

/~$S |k0u(nj+a0

也是一样的处理思路：51Testing软件测试网 J)ZE xa.Z

#cd ext/openssl
#ruby ./extconf.rb
#make
#make install

TL:Vg%H0