linux下R安装会遇到问题以及解决方法

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How to install R on a local machine, the problems faced and troubleshooting

Download the tarball of R-2.6.2 from http://www.icewalkers.com/Linux/Software/530020/R.html onto your local machine, for eg: ~/dist/R-2.6.2.tar.gzR-2.6.2 is the version currently in use by SSG

unpack it with
```
   ~src>tar xvfz ~/dist/R-2.6.2.tar.gz
```
cd to R-2.6.2
Read the INSTALL text file, the first instruction is to do
```
   ./configure
```

Will get an error for the above command

   configure: error: No F77 compiler found

R requires Fortran compiler. Our desktop machines do have a Fortran compiler (gcc42-fortran). If your desktop machine does not have it, go to Yast and search for Fortran. Select gcc42-fortran and install
So we need to change the search variable in R-2.6.2/.configure file to accept the fortran compiler we have. Apply the patch below in order to do this

~/src/R-2.6.2>patch --ignore-whitespace --backup ./configure << EOF6180c6180<            F95_compilers="f95 fort xlf95 ifort ifc efc pgf95 lf95 gfortran ftn g95"--->            F95_compilers="f95 fort xlf95 ifort ifc efc pgf95 lf95 gfortran gcc42-fortran ftn g95"6192c6192<         3.*) GCC_Fortran_compiler=g77 ;;--->         3.*) GCC_Fortran_compiler=gcc42-fortran ;;EOF

configure with readline=no like this

   ~/src/R-2.6.2> ./configure --with-readline=no

Issue the following command make
link the bin/R so that R can be invoked from anywhere
```
    ~/src/R-2.6.2> ln bin/R R
```