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buildLibrealsense.sh
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#!/bin/bash
# Builds the Intel Realsense library librealsense on a Jetson Nano Development Kit
# Copyright (c) 2016-19 Jetsonhacks
# MIT License
# Jetson Nano; L4T 32.4.3
LIBREALSENSE_DIRECTORY=${HOME}/librealsense
LIBREALSENSE_VERSION=v2.36.0
INSTALL_DIR=$PWD
NVCC_PATH=/usr/local/cuda-10.2/bin/nvcc
USE_CUDA=true
function usage
{
echo "usage: ./buildLibrealsense.sh [[-c ] | [-h]]"
echo "-nc | --build_with_cuda Build no CUDA (Defaults to with CUDA)"
echo "-h | --help This message"
}
# Iterate through command line inputs
while [ "$1" != "" ]; do
case $1 in
-nc | --build_no_cuda ) USE_CUDA=false
;;
-h | --help ) usage
exit
;;
* ) usage
exit 1
esac
shift
done
echo "Build with CUDA: "$USE_CUDA
red=`tput setaf 1`
green=`tput setaf 2`
reset=`tput sgr0`
# e.g. echo "${red}The red tail hawk ${green}loves the green grass${reset}"
echo ""
echo "Please make sure that no RealSense cameras are currently attached"
echo ""
read -n 1 -s -r -p "Press any key to continue"
echo ""
if [ ! -d "$LIBREALSENSE_DIRECTORY" ] ; then
# clone librealsense
cd ${HOME}
echo "${green}Cloning librealsense${reset}"
git clone https://github.com/IntelRealSense/librealsense.git
fi
# Is the version of librealsense current enough?
cd $LIBREALSENSE_DIRECTORY
VERSION_TAG=$(git tag -l $LIBREALSENSE_VERSION)
if [ ! $VERSION_TAG ] ; then
echo ""
tput setaf 1
echo "==== librealsense Version Mismatch! ============="
tput sgr0
echo ""
echo "The installed version of librealsense is not current enough for these scripts."
echo "This script needs librealsense tag version: "$LIBREALSENSE_VERSION "but it is not available."
echo "Please upgrade librealsense or remove the librealsense folder before attempting to install again."
echo ""
exit 1
fi
# Checkout version the last tested version of librealsense
git checkout $LIBREALSENSE_VERSION
# Install the dependencies
cd $INSTALL_DIR
sudo ./scripts/installDependencies.sh
cd $LIBREALSENSE_DIRECTORY
git checkout $LIBREALSENSE_VERSION
# Now compile librealsense and install
mkdir build
cd build
# Build examples, including graphical ones
echo "${green}Configuring Make system${reset}"
# Build with CUDA (default), the CUDA flag is USE_CUDA, ie -DUSE_CUDA=true
export CUDACXX=$NVCC_PATH
export CMAKE_CUDA_COMPILER=$NVCC_PATH
export PATH=${PATH}:/usr/local/cuda/bin
export LD_LIBRARY_PATH=${LD_LIBRARY_PATH}:/usr/local/cuda/lib64
/usr/bin/cmake ../ -DBUILD_EXAMPLES=true -DFORCE_LIBUVC=true -DBUILD_WITH_CUDA="$USE_CUDA" -DCMAKE_BUILD_TYPE=release -DBUILD_PYTHON_BINDINGS=bool:true -DPYTHON_EXECUTABLE=/usr/bin/python3
# The library will be installed in /usr/local/lib, header files in /usr/local/include
# The demos, tutorials and tests will located in /usr/local/bin.
echo "${green}Building librealsense, headers, tools and demos${reset}"
NUM_CPU=$(nproc)
time make -j$(($NUM_CPU - 1))
if [ $? -eq 0 ] ; then
echo "librealsense make successful"
else
# Try to make again; Sometimes there are issues with the build
# because of lack of resources or concurrency issues
echo "librealsense did not build " >&2
echo "Retrying ... "
# Single thread this time
time make
if [ $? -eq 0 ] ; then
echo "librealsense make successful"
else
# Try to make again
echo "librealsense did not successfully build" >&2
echo "Please fix issues and retry build"
exit 1
fi
fi
echo "${green}Installing librealsense, headers, tools and demos${reset}"
sudo make install
if grep -Fxq 'export PYTHONPATH=$PYTHONPATH:/usr/local/lib' ~/.bashrc ; then
echo "PYTHONPATH already exists in .bashrc file"
else
echo 'export PYTHONPATH=$PYTHONPATH:/usr/local/lib' >> ~/.bashrc
echo "PYTHONPATH added to ~/.bashrc. Pyhon wrapper is now available for importing pyrealsense2"
fi
cd $LIBREALSENSE_DIRECTORY
echo "${green}Applying udev rules${reset}"
# Copy over the udev rules so that camera can be run from user space
sudo cp config/99-realsense-libusb.rules /etc/udev/rules.d/
sudo udevadm control --reload-rules && udevadm trigger
echo "${green}Library Installed${reset}"
echo " "
echo " -----------------------------------------"
echo "The library is installed in /usr/local/lib"
echo "The header files are in /usr/local/include"
echo "The demos and tools are located in /usr/local/bin"
echo " "
echo " -----------------------------------------"
echo " "