#!/bin/bash
cd ${0%/*} || exit 1    # run from this directory

if [ "$PWD" != "$WM_PROJECT_DIR" ]
then
    echo
    echo "Error: Current directory is not \$WM_PROJECT_DIR"
    echo "    The environment variables are not consistent with the installation."
    echo "    Please source configuration files."
    echo 
    echo "Examples:"
    echo "    bash: . etc/bashrc"
    echo "    tcsh: source etc/cshrc"
    echo 
    echo "    If you sourced the configuration files, please check the 'foamInstall' entry."   
    echo
    exit 1
fi

if [ -z "$PARAVIEW_SYSTEM" ] && [ -z "$QT_BIN_DIR" ]
then
    echo 
    echo "\$QT_BIN_DIR not set. To compile Paraview from sources"
    echo "the command \$QT_BIN_DIR/qmake needs to be valid."
    echo
    echo "Examples: "
    echo "    Ubuntu:   \"export QT_BIN_DIR=/usr/bin\""
    echo "    Fedora:   \"export QT_BIN_DIR=/usr/lib64/qt4/bin\""
    echo "    openSuse: \"export QT_BIN_DIR=/usr/bin\""
    echo 
    read -r -p "Proceed without compiling ParaView [Y/n] " response
    if [[ $response =~ ^([nN][oO]|[nN])$ ]]
    then
        exit 0
    fi
fi 

# Check whether we will be compiling cudaSolvers
if [ -f $CUDA_BIN_DIR/nvcc ]
then
    echo
    echo "Cuda compiler detected at $CUDA_BIN_DIR/nvcc;"
    echo "cudaSolvers will be compiled by default."
    echo

    # If yes, check presence of $CUDA_ARCH 
    if [ -z "$CUDA_ARCH" ]
    then
        echo
        echo "\$CUDA_ARCH is required by nvcc compiler but not set."
        echo "Check section '-gpu-architecture' in 'man nvcc' for details." 
        echo
        read -r -p "Proceed without compiling cudaSolvers? [Y/n] " response
        if [[ $response =~ ^([nN][oO]|[nN])$ ]]
        then
            exit 0
        fi
        export CUDA_IGNORE
    fi
    echo "Cuda architecture set to: $CUDA_ARCH"
fi

# wmake is required for subsequent targets
( cd wmake/src && make )

# build ThirdParty sources
( cd $WM_THIRD_PARTY_DIR && ./AllMake.pre )

# We make sure the ThirdParty packages environment variables are up-to-date
# before compiling the rest of OpenFOAM
. $WM_PROJECT_DIR/etc/settings.sh

# build OpenFOAM libraries and applications
src/Allwmake
applications/Allwmake

if [ "$1" = doc ]
then
    doc/Allwmake
fi

# build ThirdParty sources that depend on main installation
export WM_NCOMPPROCS=1
( cd $WM_THIRD_PARTY_DIR && ./AllMake.post )

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