#! /bin/bash

## Install liblapack-3.7.0
## Default location is dir=$HOME/ii
## Execute this in $dir/script/
### Must only be performed after inst_blas-3-7.0.txt
## Source: http://www.netlib.org/lapack/#_lapack_version_3_7_0
HOME=/home/$(whoami)
dir=$HOME/ii
export dir=/home/$(whoami)/ii
#export PATH=$PATH:$HOME/ii/gcc-trunk/bin
#export LD_LIBRARY_PATH=$LD_LIBRARY_PATH:$HOME/ii/gcc-trunk/lib64
## Note: Can't install wihtout sudo apt-get install gfortran. ~/ii/gcc-trunk/lib/ won't work.

cd $dir
if [ -d $dir/configrepo ]; then
        echo "$dir/configrepo" existed
else
        mkdir $dir/configrepo
fi
cd $dir/configrepo

rm -rf lapack-3.7.0.tgz
wget http://comsics.usm.my/tlyoon/configrepo/howto/customise_centos/BLAS_and_LAPACK/lapack-3.7.0.tgz 
tar -xzvf lapack-3.7.0.tgz
cd lapack-3.7.0
#cp INSTALL/make.inc.gfortran make.inc  ||  cp make.inc.example 
which g77 || sed -i -e 's/g77/gfortran/' make.inc 

ulimit -s unlimited
make tmglib blaslib cblaslib lapack_install lapacklib -j 4 
#make lapack_testing

## cd TESTING; make  ### execute this line if want to perform testing on the lapack library installed.

cp $dir/configrepo/lapack-3.7.0/*.a $dir/lib/