chzyer/julia-install-notes.md

## julia-install-notes.md

      
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    大部分教程在这里面有
GitHub
如果在make的时候出现这个错误
[lapack_install] Error 127

主要是没有安装libncurses5-dev, gfortran,直接apt-get就行了.
还需要安装m4,
sudo apt-get install m4
过程中需要安装llvm3.0,如果连接比较慢的话,可以先翻墙下载后,将文件cp到./julia/external/llvm-3.0.tar.gz,然后再继续make就行了.

我试着自己安装llvm后发现make julia还是要再安装一遍...所以就不要自己安装了.

如果你恰好已经安装了..可以把解压后的llvm-3.0文件夹也一同复制进./external
如果根据git上的教程,如果你是ubuntu 11.10,将修改Make.inc中USE_SYSTEM_READLINE值为1.然后出现
/usr/local/lib/libreadline.so: undefined reference to `PC'
/usr/local/lib/libreadline.so: undefined reference to `tgetflag'
/usr/local/lib/libreadline.so: undefined reference to `tgetent'
/usr/local/lib/libreadline.so: undefined reference to `UP'
/usr/local/lib/libreadline.so: undefined reference to `tputs'
/usr/local/lib/libreadline.so: undefined reference to `tgoto'
/usr/local/lib/libreadline.so: undefined reference to `tgetnum'
/usr/local/lib/libreadline.so: undefined reference to `BC'
/usr/local/lib/libreadline.so: undefined reference to `tgetstr' 

这是因为readline没有正确安装的缘故.改回0让julia自己下载安装就行.