install_cmake3

#!/bin/bash

# Currently the default Cmake version on the Coeus is: 2.8.12.2.
# The current version of Cmake3 (3.18.1) cannot boostrap from this version.
# If you are installing for the first time, you should first install
# Cmake version 3.1.3 and make sure your .bashrc 
# has been modified to include $HOME/common/bin in your path. 
# You can check your version using $ cmake --version
# Then run this script again to install your preferred version of Cmake3.

if [[ "$1" = "" ]]
then
    echo "Please specify the desired version, e.g. 3.13.2"
    exit 1
fi

module load gcc-9.2.0

# Install the specified version of Cmake3
# in the common subdirectory of the user's home directory
BASE_DIR=$HOME
export SRC_DIR=$BASE_DIR/common/src
export INSTALL_DIR=$BASE_DIR/common/install
mkdir -p $INSTALL_DIR
mkdir -p $SRC_DIR

CMAKE_VER_NO=$1
CMAKE_MAJ_NO=${CMAKE_VER_NO%.*}
CMAKE_VERSION=cmake-$CMAKE_VER_NO
cd $SRC_DIR
wget https://cmake.org/files/v$CMAKE_MAJ_NO/$CMAKE_VERSION.tar.gz
tar xvf $CMAKE_VERSION.tar.gz
export BUILD_DIR=$SRC_DIR/$CMAKE_VERSION/build
mkdir -p $BUILD_DIR && cd $BUILD_DIR
cmake ../ -DCMAKE_INSTALL_PREFIX:PATH=$INSTALL_DIR
make -j10
make install