build-geant4

#!/bin/bash

modulefile=/etc/modulefiles/geant4/geant4-git
sourceDir=${HOME}/programs/geant4/repo

echo "Pulling update from git repository"
cd $sourceDir
git pull origin master --tags
tag=`git describe --always --tag`
cd -

buildDir=/tmp/geant4-build
installDir=/opt/geant4/$tag

if [ -d $installDir ]
then 
    rm -rf $installDir
fi

if [ -d $buildDir ]
then
    echo "Removing previous build"
    rm -r $buildDir
fi

mkdir $buildDir
cd $buildDir

cmake3 $sourceDir -DCMAKE_INSTALL_PREFIX=$installDir \
    -DGEANT4_BUILD_MULTITHREADED=ON \
    -DGEANT4_INSTALL_DATA=ON \
    -DGEANT4_INSTALL_DATADIR=$installDir/data \
    -DGEANT4_USE_GDML=ON \
    -DGEANT4_USE_OPENGL_X11=ON \
    -DGEANT4_USE_QT=ON \
    -DGEANT4_USE_RAYTRACER_X11=ON \
    -DGEANT4_USE_SYSTEM_CLHEP=OFF \
    -DGEANT4_USE_SYSTEM_EXPAT=OFF \
    -DGEANT4_USE_SYSTEM_ZLIB=OFF \
    -DGEANT4_USE_XM=ON \
    -DGEANT4_BUILD_CXXSTD=c++11 \
    && make -j24 install \
    && rm -rf $buildDir 

echo "Updating the modulefile at " $modulefile
awk -v t=$tag '{if($1 == "set" && $2 == "version") print $1,$2,t; else print $0}' $modulefile > /tmp/geant4-git
mv /tmp/geant4-git $modulefile
echo "You should ensure that the data paths in the modulefile are accurate!"