#!/bin/sh

#
#  Configure
#  ARToolKit5
#
#  This file is part of ARToolKit.
#
#  ARToolKit is free software: you can redistribute it and/or modify
#  it under the terms of the GNU Lesser General Public License as published by
#  the Free Software Foundation, either version 3 of the License, or
#  (at your option) any later version.
#
#  ARToolKit is distributed in the hope that it will be useful,
#  but WITHOUT ANY WARRANTY; without even the implied warranty of
#  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
#  GNU Lesser General Public License for more details.
#
#  You should have received a copy of the GNU Lesser General Public License
#  along with ARToolKit.  If not, see <http://www.gnu.org/licenses/>.
#
#  As a special exception, the copyright holders of this library give you
#  permission to link this library with independent modules to produce an
#  executable, regardless of the license terms of these independent modules, and to
#  copy and distribute the resulting executable under terms of your choice,
#  provided that you also meet, for each linked independent module, the terms and
#  conditions of the license of that module. An independent module is a module
#  which is neither derived from nor based on this library. If you modify this
#  library, you may extend this exception to your version of the library, but you
#  are not obligated to do so. If you do not wish to do so, delete this exception
#  statement from your version.
#
#  Copyright 2015-2016 Daqri, LLC.
#  Copyright 2002-2015 ARToolworks, Inc.
#
#  Author(s): Hirokazu Kato, Philip Lamb
#

#####################################################
#
# ARToolKit Configure for Linux/Unix Video Devices
#
#####################################################

MDIR=".                              \
      lib/SRC                        \
      lib/SRC/AR                     \
      lib/SRC/ARICP                  \
      lib/SRC/AR2                    \
      lib/SRC/ARWrapper              \
      lib/SRC/KPM                    \
      lib/SRC/ARUtil                 \
      lib/SRC/ARMulti                \
      lib/SRC/Gl                     \
      lib/SRC/Video                  \
      lib/SRC/Video/Dummy            \
      lib/SRC/Video/Image            \
      lib/SRC/Video/Video4Linux2     \
      lib/SRC/Video/libdc1394        \
      lib/SRC/Video/GStreamer        \
      lib/SRC/ARosg                  \
      lib/SRC/Eden                   \
      util                           \
      util/calib_camera              \
      util/calib_stereo              \
      util/mk_patt                   \
      util/1394                      \
      util/1394/whiteBalance         \
      util/1394/listCamera           \
      util/1394/checkImage           \
      util/calib_optical             \
      util/calib_stereo              \
      util/check_id                  \
      util/genTexData                \
      util/genMarkerSet              \
      util/dispImageSet              \
      util/dispFeatureSet            \
      util/checkResolution           \
      examples                       \
      examples/simple                \
      examples/simpleLite            \
      examples/simpleMovie           \
      examples/multi                 \
      examples/simpleOSG             \
      examples/stereo                \
      examples/multiCube             \
      examples/multiWin              \
      examples/optical               \
      examples/opticalStereo         \
      examples/nftSimple             \
      examples/nftBook               "
      #util/calib_distortion \

SED=/tmp/SED.$$
trap "rm -f $SED; exit 0" 0 1 2 3 15
VERSION=`grep -E 'AR_HEADER_VERSION_STRING[[:space:]]+"[0-9]+\.[0-9]+(\.[0-9]+)*"' include/AR/config.h.in | grep -Eo "[0-9]+\.[0-9]+(\.[0-9]+)*"`


E=`uname`
MACHINE=`uname -m`
if [ "$E" = "Linux" ]
then
    SYSTEM="linux-$MACHINE"
    echo "\nThis script configures ARToolKit libraries, utilities and examples. For details on dependencies and further information please visit http://artoolkit.org/documentation/doku.php?id=8_Advanced_Topics:build_artoolkit \n\n"
    echo "Standard compiler is gcc and g++ with libstdc++. Do you want to use the Clang compiler with libc++ instead? (y or n)"
    echo -n "Enter : "
    read ANS
    if [ "$ANS" = "y" ]
    then
        CLANGCC="y"
    elif [ "$ANS" = "n" ]
    then
        CLANGCC="n"
    else
        echo "Please enter y or n."
        exit 0
    fi

    INPUT_IMAGE="y"
    DEFAULT_CAP_DEVICE=""
    echo "Do you want to enable the Video4Linux2 capture module? (y or n)"
    echo -n "Enter : "
    read ANS
    if [ "$ANS" = "y" ]
    then
        INPUT_V4L2="y"
    elif [ "$ANS" = "n" ]
    then
        INPUT_V4L2="n"
    else
        echo "Please enter y or n."
        exit 0
    fi
    if [ "$INPUT_V4L2" = "y" ]
    then
        echo "Do you want to use it as the default input device? (y or n)"
        echo -n "Enter : "
        read ANS
        if [ "$ANS" = "y" ]
        then
            DEFAULT_CAP_DEVICE="V4L2"
        elif [ "$ANS" = "n" ]
        then
            DEFAULT_CAP_DEVICE=""
        else
            echo "Please enter y or n."
            exit 0
        fi
    fi

    echo "Do you want to enable the IEEE 1394 Digital Video Camera capture module? (y or n)"
    echo -n "Enter : "
    read ANS
    if [ "$ANS" = "y" ]
    then
        INPUT_CAM1394="y"
    elif [ "$ANS" = "n" ]
    then
        INPUT_CAM1394="n"
    else
        echo "Please enter y or n."
        exit 0
    fi
    if [ "$INPUT_CAM1394" = "y" ]
    then
        if [ "$DEFAULT_CAP_DEVICE" = "" ]
        then
            echo "Do you want to use it as the default input device? (y or n)"
            echo -n "Enter : "
            read ANS
            if [ "$ANS" = "y" ]
            then
                DEFAULT_CAP_DEVICE="CAM1394"
            elif [ "$ANS" = "n" ]
            then
                DEFAULT_CAP_DEVICE=""
            else
                echo "Please enter y or n."
                exit 0
            fi
        fi
        echo "Does your IEEE1394 camera support color image? (y or n)"
        echo -n "Enter : "
        read ANS
        if [ "$ANS" = "y" ]
        then
            COLOR_1394="y"
        elif [ "$ANS" = "n" ]
        then
            COLOR_1394="n"
        else
            echo "Please enter y or n."
            exit 0
        fi

        echo "Do you use a DragonFly as a IEEE 1394 camera? (y or n)"
        echo -n "Enter : "
        read ANS
        if [ "$ANS" = "y" ]
        then
            DRAGON="y"
        elif [ "$ANS" = "n" ]
        then
            DRAGON="n"
        else
            echo "Please enter y or n."
            exit 0
        fi
    fi

    echo "Do you want to enable the GStreamer capture module? (y or n)"
    echo -n "Enter : "
    read ANS
    if [ "$ANS" = "y" ]
    then
        INPUT_GSTREAMER="y"
    elif [ "$ANS" = "n" ]
    then
        INPUT_GSTREAMER="n"
    else
        echo "Please enter y or n."
        exit 0
    fi
    if [ "$INPUT_GSTREAMER" = "y" ]
    then
        echo "Experimental: Do you want to use gstreamer-1.0 instead of gstreamer-0.10? (y or n)"
        echo -n "Enter : "
        read ANS
        if [ "$ANS" = "y" ]
        then
            USE_GSTREAMER_1="y"
        elif [ "$ANS" = "n" ]
        then
            USE_GSTREAMER_1="n"
        else
            echo "Please enter y or n."
            exit 0
        fi
        if [ "$DEFAULT_CAP_DEVICE" = "" ]
        then
            echo "Do you want to use it as the default input device? (y or n)"
            echo -n "Enter : "
            read ANS
            if [ "$ANS" = "y" ]
            then
                DEFAULT_CAP_DEVICE="GSTREAMER"
            elif [ "$ANS" = "n" ]
            then
                DEFAULT_CAP_DEVICE=""
            else
                echo "Please enter y or n."
                exit 0
            fi
        fi
    fi


    if [ "$CLANGCC" = "y" ]
    then
        CC="clang"
        CXX="clang++ -std=c++11 -stdlib=libc++"
        CFLAG="-O3 -fPIC -march=core2 -DHAVE_NFT=1"
        STDCXXLIB="-lc++"
    else
        CC="gcc"
        CXX="g++ -std=c++11 "
        CFLAG="-O3 -fPIC -march=core2 -DHAVE_NFT=1"
        STDCXXLIB="-lstdc++"
    fi

    case "$MACHINE" in
        armv7l)
            # NOTE: raspberry pi 3 workarounds
            if [ "$CLANGCC" = "y" ]; then
                # NOTE: libc++ doesn't seem to work yet on Raspberry Pi
                CXX="clang++ -std=c++11"
                STDCXXLIB="-lstdc++"
                CFLAG="-O3 -fPIC -march=native -DHAVE_NFT=1"
            else
                # NOTE: Some versions of gcc are buggy in their hardware detection code,
                #       so just hardcode the architecture here.
                #       See: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70132
                CFLAG="-O3 -fPIC -mcpu=cortex-a53 -mfpu=neon-vfpv4 -DHAVE_NFT=1"
            fi
            LDFLAG="-L/usr/lib"
            ;;
        x86_64)
            CFLAG="-O3 -fPIC -march=core2 -DHAVE_NFT=1"
            LDFLAG="-L/usr/lib/x86_64-linux-gnu -L/usr/lib64"
            ;;
        *)
            CFLAG="$CFLAG -I/usr/include/i386-linux-gnu"
            LDFLAG="-L/usr/lib/i386-linux-gnu -L/usr/lib"
            ;;
    esac
    
    AR="ar"
    ARFLAGS="rsU"
    RANLIB="true"
    LIBS="-lglut -lGLU -lGL -lX11 -lm -lpthread -ljpeg -lz"

    if [ "$INPUT_V4L2" = "y" ]
    then
        LIBS="$LIBS `pkg-config libudev --libs`"
        CFLAG="$CFLAG `pkg-config libudev --cflags`"
    fi
    if [ "$INPUT_GSTREAMER" = "y" ]
    then
        if [ "$USE_GSTREAMER_1" = "y" ]
        then
            GST_CFLAGS="-DUSE_GSTREAMER_1 `pkg-config --cflags gstreamer-1.0`"
            GST_LIBS="-DUSE_GSTREAMER_1 `pkg-config --libs gstreamer-1.0`"
        else
            GST_CFLAGS=`pkg-config --cflags gstreamer-0.10`
            GST_LIBS=`pkg-config --libs gstreamer-0.10`
        fi
        CFLAG="$CFLAG $GST_CFLAGS"
        LIBS="$LIBS $GST_LIBS"
    fi
    if [ "$INPUT_CAM1394" = "y" ]
    then
        LIBS="$LIBS `pkg-config libdc1394-2 --libs` `pkg-config libraw1394 --libs`"
        CFLAG="$CFLAG `pkg-config libdc1394-2 --cflags` `pkg-config libraw1394 --cflags`"
    fi

    # When linking against libc++, use supplied opencv rather than system opencv.
    if [ "$STDCXXLIB" = "-lc++" ]
    then
        CV_CFLAG="-I\$(INC_DIR)/$SYSTEM"
        CV_LIBS="-L\$(LIB_DIR)/$SYSTEM -lopencv_calib3d -lopencv_features2d -lopencv_imgproc -lopencv_flann -lopencv_core -lz"
    else
        CV_CFLAG=`pkg-config opencv --cflags`
        CV_LIBS=`pkg-config opencv --libs`
        #CV_CFLAG=""
        #CV_LIBS="-lopencv_calib3d -lopencv_features2d -lopencv_imgproc -lopencv_flann -opencv_core -lz"
    fi
elif [ "$E" = "Darwin" ]
then
    SYSTEM="macosx-universal"

    echo "Do you want to use IEEE 1394 Digital Video Camera? (y or n)"
    echo -n "Enter : "
    read ANS
    if [ "$ANS" = "y" ]
    then
        INPUT_CAM1394_MAC="y"
    elif [ "$ANS" = "n" ]
    then
        INPUT_CAM1394_MAC="n"
    else
        echo "Please enter y or n."
        exit 0
    fi
    if [ "$INPUT_CAM1394_MAC" = "y" ]
    then
        if [ "$DEFAULT_CAP_DEVICE" = "" ]
        then
            echo "Do you want to use it as the default input device? (y or n)"
            echo -n "Enter : "
            read ANS
            if [ "$ANS" = "y" ]
            then
                DEFAULT_CAP_DEVICE="CAM1394"
            elif [ "$ANS" = "n" ]
            then
                DEFAULT_CAP_DEVICE=""
            else
                echo "Please enter y or n."
                exit 0
            fi
        fi
        echo "Does your IEEE1394 camera support color image? (y or n)"
        echo -n "Enter : "
        read ANS
        if [ "$ANS" = "y" ]
        then
            COLOR_1394="y"
        elif [ "$ANS" = "n" ]
        then
            COLOR_1394="n"
        else
            echo "Please enter y or n."
            exit 0
        fi

        echo "Do you use a DragonFly as a IEEE 1394 camera? (y or n)"
        echo -n "Enter : "
        read ANS
        if [ "$ANS" = "y" ]
        then
            DRAGON="y"
        elif [ "$ANS" = "n" ]
        then
            DRAGON="n"
        else
            echo "Please enter y or n."
            exit 0
        fi
    fi

    #CC="cc -arch i386 -arch x86_64"
    CC="cc"
    CXX="c++"
    CFLAG="-O -DHAVE_NFT=1"
    LDFLAG=""
    #AR="libtool"
    #ARFLAGS="-static -o"
    #RANLIB="true"
    AR="ar"
    ARFLAGS="-r -u"
    RANLIB="true"
    LIBS="-framework Accelerate -framework CoreVideo -framework Carbon -framework GLUT -framework OpenGL -framework Cocoa -ljpeg"
    if [ "$INPUT_CAM1394_MAC" = "y" ]
    then
        LIBS="$LIBS -ldc1394"
    fi

    #CV_CFLAG="-framework OpenCV"
    #CV_LIBS="-framework OpenCV"
    CV_CFLAG=""
    CV_LIBS="-lopencv_flann -lopencv_core -lopencv_calib3d -lopencv_imgproc -lopencv_highgui"
else
    echo "This configure command supports Linux, and macOS."
    exit 0
fi

if [ "$CLANGCC" = "n" ]
then
    echo "Enable the OpenSceneGraph renderer and examples? (y or n)"
    echo -n "Enter : "
    read ANS
    if [ "$ANS" = "y" ]
    then
        ENABLE_OSG="y"
    elif [ "$ANS" = "n" ]
    then
        ENABLE_OSG="n"
    else
        echo "Please enter y or n."
        exit 0
    fi
else
    ENABLE_OSG="n"
fi #[ "$CLANGCC" = "n" ]

#
# Output step 1.
# Create Makefiles, setting symbols, and selecting directories for compilation.
#

# Prefix any slashes with '\' for sed.
echo $CC | sed -e 's/\//\\\//g' >$SED
CC=`cat $SED`
echo $CXX | sed -e 's/\//\\\//g' >$SED
CXX=`cat $SED`
echo $CFLAG | sed -e 's/\//\\\//g' >$SED
CFLAG=`cat $SED`
echo $LDFLAG | sed -e 's/\//\\\//g' >$SED
LDFLAG=`cat $SED`
echo $AR | sed -e 's/\//\\\//g' >$SED
AR=`cat $SED`
echo $ARFLAGS | sed -e 's/\//\\\//g' >$SED
ARFLAGS=`cat $SED`
echo $RANLIB | sed -e 's/\//\\\//g' >$SED
RANLIB=`cat $SED`
echo $LIBS | sed -e 's/\//\\\//g' >$SED
LIBS=`cat $SED`
echo $CV_CFLAG | sed -e 's/\//\\\//g' >$SED
CV_CFLAG=`cat $SED`
echo $CV_LIBS | sed -e 's/\//\\\//g' >$SED
CV_LIBS=`cat $SED`
echo $VERSION | sed -e 's/\//\\\//g' >$SED
VERSION=`cat $SED`
echo $SYSTEM | sed -e 's/\//\\\//g' >$SED
SYSTEM=`cat $SED`

cat > $SED <<EOF
s/@CC@/$CC/
s/@CXX@/$CXX/
s/@CFLAG@/$CFLAG/
s/@LDFLAG@/$LDFLAG/
s/@AR@/$AR/
s/@ARFLAGS@/$ARFLAGS/
s/@RANLIB@/$RANLIB/
s/@LIBS@/$LIBS/
s/@CV_CFLAG@/$CV_CFLAG/
s/@CV_LIBS@/$CV_LIBS/
s/@VERSION@/$VERSION/
s/@SYSTEM@/$SYSTEM/
s/@STDCXXLIB@/$STDCXXLIB/
EOF

if [ "$INPUT_IMAGE" = "y" ]
then
cat >> $SED <<EOF
s/#(cd Image; make -f Makefile)/(cd Image; make -f Makefile)/
EOF
fi

if [ "$INPUT_V4L2" = "y" ]
then
cat >> $SED <<EOF
s/#(cd Video4Linux2; make -f Makefile)/(cd Video4Linux2; make -f Makefile)/
EOF
fi

if [ "$INPUT_CAM1394" = "y" ]
then
cat >> $SED <<EOF
s/#(cd libdc1394; make -f Makefile)/(cd libdc1394; make -f Makefile)/
EOF
fi

if [ "$INPUT_CAM1394_MAC" = "y" ]
then
cat >> $SED <<EOF
s/#(cd libdc1394; make -f Makefile)/(cd libdc1394; make -f Makefile)/
EOF
fi

if [ "$INPUT_GSTREAMER" = "y" ]
then
cat >> $SED <<EOF
s/#(cd GStreamer; make -f Makefile)/(cd GStreamer;    make -f Makefile)/
EOF
fi

if [ "$ENABLE_OSG" = "y" ]
then
cat >> $SED <<EOF
s/#(cd ARosg;             make -f Makefile)/(cd ARosg;             make -f Makefile)/
s/#(cd simpleOSG;  make -f Makefile)/(cd simpleOSG;  make -f Makefile)/
s/#(cd nftBook;    make -f Makefile)/(cd nftBook;    make -f Makefile)/
s/#(cd stereo;     make -f Makefile)/(cd stereo;     make -f Makefile)/
s/#(cd optical;    make -f Makefile)/(cd optical;    make -f Makefile)/
s/#(cd opticalStereo;    make -f Makefile)/(cd opticalStereo;    make -f Makefile)/
EOF
fi


for i in $MDIR
do
    echo "  create $i/Makefile"
    sed -f $SED <$i/Makefile.in > $i/Makefile
done
echo "  create share/artoolkit5-config"
sed -f $SED <share/artoolkit5-config.in > share/artoolkit5-config
chmod ugo+rx share/artoolkit5-config

#
# Output step 2.
# Record configuration in config.h.
#

if [ "$DRAGON" = "y" ]
then
cat >> $SED <<EOF
s/#undef   ARVIDEO_INPUT_1394CAM_USE_DRAGONFLY/#define ARVIDEO_INPUT_1394CAM_USE_DRAGONFLY/
EOF
fi

if [ "$COLOR_1394" = "y" ]
then
cat >> $SED <<EOF
s/#define   ARVIDEO_INPUT_1394CAM_DEFAULT_PIXEL_FORMAT   AR_PIXEL_FORMAT_MONO/#define   ARVIDEO_INPUT_1394CAM_DEFAULT_PIXEL_FORMAT   AR_PIXEL_FORMAT_RGB/
EOF
fi

if [ "$INPUT_V4L2" = "y" ]
then
cat >> $SED <<EOF
s/#undef  ARVIDEO_INPUT_V4L2/#define ARVIDEO_INPUT_V4L2/
EOF
fi
if [ "$INPUT_CAM1394" = "y" ]
then
cat >> $SED <<EOF
s/#undef  ARVIDEO_INPUT_1394CAM/#define ARVIDEO_INPUT_1394CAM/
EOF
fi

if [ "$INPUT_CAM1394_MAC" = "y" ]
then
cat >> $SED <<EOF
s/#undef  ARVIDEO_INPUT_1394CAM/#define ARVIDEO_INPUT_1394CAM/
EOF
fi

if [ "$INPUT_GSTREAMER" = "y" ]
then
cat >> $SED <<EOF
s/#undef  ARVIDEO_INPUT_GSTREAMER/#define ARVIDEO_INPUT_GSTREAMER/
EOF
fi

if [ "$INPUT_IMAGE" = "y" ]
then
cat >> $SED <<EOF
s/#undef  ARVIDEO_INPUT_IMAGE/#define ARVIDEO_INPUT_IMAGE/
EOF
fi

if [ "$DEFAULT_CAP_DEVICE" = "V4L2" ]
then
cat >> $SED <<EOF
s/#undef  ARVIDEO_INPUT_DEFAULT_V4L2/#define ARVIDEO_INPUT_DEFAULT_V4L2/
EOF
elif [ "$DEFAULT_CAP_DEVICE" = "CAM1394" ]
then
cat >> $SED <<EOF
s/#undef  ARVIDEO_INPUT_DEFAULT_1394/#define ARVIDEO_INPUT_DEFAULT_1394/
EOF
elif [ "$DEFAULT_CAP_DEVICE" = "GSTREAMER" ]
then
cat >> $SED <<EOF
s/#undef  ARVIDEO_INPUT_DEFAULT_GSTREAMER/#define ARVIDEO_INPUT_DEFAULT_GSTREAMER/
EOF
elif [ "$E" = "Linux" ]
then
echo "You have to choose default input device!!"
exit 0
fi

case "$MACHINE" in
arm*)
cat >> $SED <<EOF
s/#define HAVE_INTEL_SIMD.*/#undef HAVE_INTEL_SIMD/
EOF
;;
esac

echo "  create include/AR/config.h"
sed -f $SED <include/AR/config.h.in > include/AR/config.h

echo "Done."