# buildOpenCVTX2 error

**URL:** <https://forums.developer.nvidia.com/t/buildopencvtx2-error/60785>\
**Category:** Jetson TX2\
**Created:** [April 28, 2018, 6:04am UTC](https://forums.developer.nvidia.com/t/buildopencvtx2-error/60785 "2018-04-28T06:04:54Z")\
**Posts on this page:** 5\
**Page:** 1

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**Author:** ![18301295852](https://developer.download.nvidia.com/images/forums/profile-default-devtalk-84.png) [@18301295852](https://forums.developer.nvidia.com/u/18301295852)\
**Post date:** [April 28, 2018, 6:04am UTC](https://forums.developer.nvidia.com/t/buildopencvtx2-error/60785/1 "2018-04-28T06:04:54Z")

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hi,I want to install buildOpenCVTX2(3.3),but there is some errors,TX2 default GNU version is 5 and I set it to 4.7,but error is still exist,how should i do?  
usr/local/cuda-8.0/include/host\_config.h:119:2: error: #error – unsupported GNU version! gcc versions later than 5 are not supported!  
#error – unsupported GNU version! gcc versions later than 5 are not supported!

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**Author:** ![WayneWWW](https://sea2.discourse-cdn.com/nvidia/user_avatar/forums.developer.nvidia.com/waynewww/32/14043_2.png) [@WayneWWW](https://forums.developer.nvidia.com/u/WayneWWW)\
**Post date:** [April 30, 2018, 7:10am UTC](https://forums.developer.nvidia.com/t/buildopencvtx2-error/60785/2 "2018-04-30T07:10:08Z")

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Please share your configuration of opencv installation.

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<div class="post-metadata">

**Author:** ![18301295852](https://developer.download.nvidia.com/images/forums/profile-default-devtalk-84.png) [@18301295852](https://forums.developer.nvidia.com/u/18301295852)\
**Post date:** [May 9, 2018, 6:34am UTC](https://forums.developer.nvidia.com/t/buildopencvtx2-error/60785/3 "2018-05-09T06:34:27Z")

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jetpack 3.1,following is the configuration of opencv installation

#!/bin/bash

# License: MIT. See license file in root directory

# Copyright(c) JetsonHacks (2017)

cd $HOME  
sudo apt-get install -y   
libglew-dev   
libtiff5-dev   
zlib1g-dev   
libjpeg-dev   
libpng12-dev   
libjasper-dev   
libavcodec-dev   
libavformat-dev   
libavutil-dev   
libpostproc-dev   
libswscale-dev   
libeigen3-dev   
libtbb-dev   
libgtk2.0-dev   
cmake   
pkg-config

# Python 2.7

sudo apt-get install -y python-dev python-numpy python-py python-pytest -y

# GStreamer support

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

git clone [GitHub - opencv/opencv: Open Source Computer Vision Library](https://github.com/opencv/opencv.git)  
cd opencv  
git checkout -b v3.3.0 3.3.0

# This is for the test data

cd $HOME  
git clone [GitHub - opencv/opencv\_extra: OpenCV extra data](https://github.com/opencv/opencv_extra.git)  
cd opencv\_extra  
git checkout -b v3.3.0 3.3.0

cd $HOME/opencv  
mkdir build  
cd build

# Jetson TX2

cmake   
-DCMAKE\_BUILD\_TYPE=Release   
-DCMAKE\_INSTALL\_PREFIX=/usr   
-DBUILD\_PNG=OFF   
-DBUILD\_TIFF=OFF   
-DBUILD\_TBB=OFF   
-DBUILD\_JPEG=OFF   
-DBUILD\_JASPER=OFF   
-DBUILD\_ZLIB=OFF   
-DBUILD\_EXAMPLES=ON   
-DBUILD\_opencv\_java=OFF   
-DBUILD\_opencv\_python2=ON   
-DBUILD\_opencv\_python3=OFF   
-DENABLE\_PRECOMPILED\_HEADERS=OFF   
-DWITH\_OPENCL=OFF   
-DWITH\_OPENMP=OFF   
-DWITH\_FFMPEG=ON   
-DWITH\_GSTREAMER=ON   
-DWITH\_GSTREAMER\_0\_10=OFF   
-DWITH\_CUDA=ON   
-DWITH\_GTK=ON   
-DWITH\_VTK=OFF   
-DWITH\_TBB=ON   
-DWITH\_1394=OFF   
-DWITH\_OPENEXR=OFF   
-DCUDA\_TOOLKIT\_ROOT\_DIR=/usr/local/cuda-8.0   
-DCUDA\_ARCH\_BIN=6.2   
-DCUDA\_ARCH\_PTX=“”   
-DINSTALL\_C\_EXAMPLES=ON   
-DINSTALL\_TESTS=ON   
-DOPENCV\_TEST\_DATA\_PATH=../opencv\_extra/testdata   
../

# Consider using all 6 cores; $ sudo nvpmodel -m 2 or $ sudo nvpmodel -m 0

make -j4

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<div class="post-metadata">

**Author:** ![WayneWWW](https://sea2.discourse-cdn.com/nvidia/user_avatar/forums.developer.nvidia.com/waynewww/32/14043_2.png) [@WayneWWW](https://forums.developer.nvidia.com/u/WayneWWW)\
**Post date:** [May 9, 2018, 7:21am UTC](https://forums.developer.nvidia.com/t/buildopencvtx2-error/60785/4 "2018-05-09T07:21:30Z")

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You could also use our script to install opencv, though it is opencv 3.4.

[https://github.com/AastaNV/JEP/blob/master/script/install\_opencv3.4.0.sh](https://github.com/AastaNV/JEP/blob/master/script/install_opencv3.4.0.sh)

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<div class="post-metadata">

**Author:** ![18301295852](https://developer.download.nvidia.com/images/forums/profile-default-devtalk-84.png) [@18301295852](https://forums.developer.nvidia.com/u/18301295852)\
**Post date:** [May 9, 2018, 11:55am UTC](https://forums.developer.nvidia.com/t/buildopencvtx2-error/60785/5 "2018-05-09T11:55:02Z")

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but there is some problems with gcc and cuda-8.0?