configure

#!/bin/bash

source configure.in

function unknown_option {
    echo "Unknown option: $1"
    echo "Run ./configure --help to get help"
    exit 1
}

function run_clean {
    read -n 1 -s -p "Are you sure to delete release/debug builds? [y/n]
" yesorno;
    if [ "$yesorno" == "y" ]; then
        echo "Removing release and debug builds"
        rm -rf $RELEASE_DIR $DEBUG_DIR
    fi
    exit 0
}

CXXFLAGS="$CXXFLAGS \
  -DCUDA_ROOT=$CUDA_ROOT \
  -DEXTERN_LIB_PATH=$EXTERN_LIB_PATH \
  -DEXTERN_INCLUDE_PATH=$EXTERN_INCLUDE_PATH"

DISABLE_PS=true
DISABLE_CUDA=false

while [ $# -gt 0 ]
do
    case $1 in
        --help | -h)
            want_help=yes ;;
        -c | --clean)
            run_clean ;;
        --disable-cuda)
            DISABLE_CUDA=true; shift ;;
        --enable-ps)
            DISABLE_PS=false; shift ;;
        --prefix=*)
            CXXFLAGS="$CXXFLAGS -DCMAKE_INSTALL_PREFIX=`expr "x$1" : "x--prefix=\(.*\)"`"; shift ;;
        -D)
            CXXFLAGS="$CXXFLAGS -D$2=ON"; shift ;;
        -D*)
            CXXFLAGS="$CXXFLAGS -D`expr "x$1" : "x-D\(.*\)"`" ;;
        *)
            unknown_option $1 ;;
    esac
    shift
done

echo "DISABLE_PS=$DISABLE_PS"
if $DISABLE_PS -e true; then
  CXXFLAGS="$CXXFLAGS -DDISABLE_PS=ON"
else
  CXXFLAGS="$CXXFLAGS -DDISABLE_PS=OFF"
fi

if $DISABLE_CUDA -e true; then
  CXXFLAGS="$CXXFLAGS -DDISABLE_CUDA=ON"
else
  CXXFLAGS="$CXXFLAGS -DDISABLE_CUDA=OFF"
fi

#================================ help description =============================
if test "x$want_help" = xyes; then
    cat <<EOF
Usage: ./configure [OPTION]...
Configurations:
    -h, --help              Display this help and exit
    -c, --clean             Clean up debug and release build
    --disable-cuda          Disable building with CUDA
    --enable-pa             Enable building with PS
    --prefix                Specify install path
    -Dvar=value | -D value  Specify definitions to be passed on to cmake
EOF
exit 0;
fi
#===============================================================================

#================================ main configuration =============================
echo -e "\n\n\n========================== Release =========================="
if [ ! -d $RELEASE_DIR ]; then
    mkdir $RELEASE_DIR
fi
cd $RELEASE_DIR
CC=$C_COMPILER CXX=$CXX_COMPILER cmake -DCMAKE_BUILD_TYPE=Release $CXXFLAGS ..
cd ..

echo -e "\n\n\n========================== Debug =========================="
if [ ! -d $DEBUG_DIR ]; then
    mkdir $DEBUG_DIR
fi
cd $DEBUG_DIR
CC=$C_COMPILER CXX=$CXX_COMPILER cmake -DCMAKE_BUILD_TYPE=Debug $CXXFLAGS ..
cd ..