buildOpenCV.sh

#!/bin/bash
# License: MIT. See license file in root directory
# Copyright(c) JetsonHacks (2017-2018)

OPENCV_VERSION=3.4.1
# Jetson TX2
ARCH_BIN=6.2
# Jetson TX1
# ARCH_BIN=5.3
CMAKE_INSTALL_PREFIX=/usr/local
# Download the opencv_extras repository
# If you are installing the opencv testdata, ie
#  OPENCV_TEST_DATA_PATH=../opencv_extra/testdata
# Make sure that you set this to YES
# Value should be YES or NO
DOWNLOAD_OPENCV_EXTRAS=NO

source scripts/jetson_variables

# Print out the current configuration
echo "Build configuration: "
echo " NVIDIA Jetson $JETSON_BOARD"
echo " Operating System: $JETSON_L4T_STRING [Jetpack $JETSON_JETPACK]"
echo " Current OpenCV Installation: $JETSON_OPENCV"
echo " OpenCV binaries will be installed in: $CMAKE_INSTALL_PREFIX"

if [ $DOWNLOAD_OPENCV_EXTRAS == "YES" ] ; then
 echo "Also installing opencv_extras"
fi

# Repository setup
sudo apt-add-repository universe
sudo apt-get update

cd $HOME
sudo apt-get install -y \
    cmake \
    libavcodec-dev \
    libavformat-dev \
    libavutil-dev \
    libeigen3-dev \
    libglew-dev \
    libgtk2.0-dev \
    libgtk-3-dev \
    libjasper-dev \
    libjpeg-dev \
    libpng12-dev \
    libpostproc-dev \
    libswscale-dev \
    libtbb-dev \
    libtiff5-dev \
    libv4l-dev \
    libxvidcore-dev \
    libx264-dev \
    qt5-default \
    zlib1g-dev \
    pkg-config

# https://devtalk.nvidia.com/default/topic/1007290/jetson-tx2/building-opencv-with-opengl-support-/post/5141945/#5141945
cd /usr/local/cuda/include
sudo patch -N cuda_gl_interop.h '/home/nvidia/buildOpenCVTX2/patches/OpenGLHeader.patch' 
# Clean up the OpenGL tegra libs that usually get crushed
cd /usr/lib/aarch64-linux-gnu/
sudo ln -sf tegra/libGL.so libGL.so


cd $HOME

# Python 2.7
sudo apt-get install -y python-dev python-numpy python-py python-pytest
# Python 3.5
sudo apt-get install -y python3-dev python3-numpy python3-py python3-pytest


# GStreamer support
sudo apt-get install -y libgstreamer1.0-dev libgstreamer-plugins-base1.0-dev 

git clone https://github.com/opencv/opencv.git
cd opencv
git checkout -b v${OPENCV_VERSION} ${OPENCV_VERSION}
if [ $OPENCV_VERSION = 3.4.1 ] ; then
  # For 3.4.1, use this commit to fix samples/gpu/CMakeLists.txt
  git merge ec0bb66e5e176ffe267948a98508ac6721daf8ad
fi

if [ $DOWNLOAD_OPENCV_EXTRAS == "YES" ] ; then
 echo "Installing opencv_extras"
 # This is for the test data
 cd $HOME
 git clone https://github.com/opencv/opencv_extra.git
 cd opencv_extra
 git checkout -b v${OPENCV_VERSION} ${OPENCV_VERSION}
fi


cd $HOME/opencv
mkdir build
cd build
# Jetson TX2 
# Here are some options to install source examples and tests
#     -D INSTALL_TESTS=ON \
#     -D OPENCV_TEST_DATA_PATH=../opencv_extra/testdata \
#     -D INSTALL_C_EXAMPLES=ON \
#     -D INSTALL_PYTHON_EXAMPLES=ON \
# There are also switches which tell CMAKE to build the samples and tests
# Check OpenCV documentation for details


time cmake -D CMAKE_BUILD_TYPE=RELEASE \
      -D CMAKE_INSTALL_PREFIX=${CMAKE_INSTALL_PREFIX} \
      -D WITH_CUDA=ON \
      -D CUDA_ARCH_BIN=${ARCH_BIN} \
      -D CUDA_ARCH_PTX="" \
      -D ENABLE_FAST_MATH=ON \
      -D CUDA_FAST_MATH=ON \
      -D WITH_CUBLAS=ON \
      -D WITH_LIBV4L=ON \
      -D WITH_GSTREAMER=ON \
      -D WITH_GSTREAMER_0_10=OFF \
      -D WITH_QT=ON \
      -D WITH_OPENGL=ON \
      ../

if [ $? -eq 0 ] ; then
  echo "CMake configuration make successful"
else
  # Try to make again
  echo "CMake issues " >&2
  echo "Please check the configuration being used"
  exit 1
fi

# Consider $ sudo nvpmodel -m 2 or $ sudo nvpmodel -m 0
NUM_CPU=$(nproc)
time make -j$(($NUM_CPU - 1))
if [ $? -eq 0 ] ; then
  echo "OpenCV make successful"
else
  # Try to make again; Sometimes there are issues with the build
  # because of lack of resources or concurrency issues
  echo "Make did not build " >&2
  echo "Retrying ... "
  # Single thread this time
  make
  if [ $? -eq 0 ] ; then
    echo "OpenCV make successful"
  else
    # Try to make again
    echo "Make did not successfully build" >&2
    echo "Please fix issues and retry build"
    exit 1
  fi
fi

echo "Installing ... "
sudo make install
echo "OpenCV installed in: $CMAKE_INSTALL_PREFIX"