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asked 2018-04-04 08:12:37 -0600

Jérémy K gravatar image

Building native libraries not working

When following the instructions for building native libraries for OpenCV with cmake, I don't get any /libs folder with the .so file and the .jar file isn't generated either.

I'm following these steps:

1. Installing dependencies:

sudo apt-get update && sudo apt-get install oracle-java8-jdk cmake ant
sudo apt-get install build-essential cmake pkg-config libpng12-0 libpng12-dev libpng++-dev libpng3 libpnglite-dev zlib1g-dbg zlib1g zlib1g-dev pngtools  libtiff4 libtiffxx0c2 libtiff-tools libjpeg8 libjpeg8-dev libjpeg8-dbg libjpeg-progs libavcodec-dev   libavformat-dev libgstreamer0.10-0-dbg libgstreamer0.10-0 libgstreamer0.10-dev  libunicap2 libunicap2-dev libdc1394-22-dev libdc1394-22 libdc1394-utils swig libv4l-0 libv4l-dev

2. Adding export paths:

export ANT_HOME=/usr/share/ant/
export PATH=${PATH}:${ANT_HOME}/bin
export JAVA_HOME=/usr/lib/jvm/jdk-8-oracle-arm32-vfp-hflt/
export PATH=$PATH:$JAVA_HOME/bin

3. Downloading OpenCV:

wget https://github.com/opencv/opencv/archive/3.2.0.zip
mv 3.2.0 opencv.zip
unzip opencv.zip 
cd opencv-3.2.0/

4. Make & Install:

mkdir build
cd build
cmake -D CMAKE_BUILD_TYPE=RELEASE -D WITH_OPENCL=OFF -D BUILD_PERF_TESTS=OFF -D BUILD_SHARED_LIBS=OFF -D JAVA_INCLUDE_PATH=$JAVA_HOME/include -D JAVA_AWT_LIBRARY=$JAVA_HOME/jre/lib/arm/libawt.so -D JAVA_JVM_LIBRARY=$JAVA_HOME/jre/lib/arm/server/libjvm.so -D CMAKE_INSTALL_PREFIX=/usr/local ..
make
make install

I'm running this on a Raspberry Pi. A part of the output of cmake is: 

--   Java:
--     ant:                         /usr/bin/ant (ver 1.9.4)
--     JNI:                         NO
--     Java wrappers:               NO
--     Java tests:                  NO

which concerns me..

Thanks in advance for your help!

Building native libraries not working

When following the instructions for building native libraries for OpenCV with cmake, I don't get any /libs folder with the .so file and the .jar file isn't generated either.

I'm following these steps:

1. Installing dependencies:

sudo apt-get update && sudo apt-get install oracle-java8-jdk cmake ant
sudo apt-get install build-essential cmake pkg-config libpng12-0 libpng12-dev libpng++-dev libpng3 libpnglite-dev zlib1g-dbg zlib1g zlib1g-dev pngtools  libtiff4 libtiffxx0c2 libtiff-tools libjpeg8 libjpeg8-dev libjpeg8-dbg libjpeg-progs libavcodec-dev   libavformat-dev libgstreamer0.10-0-dbg libgstreamer0.10-0 libgstreamer0.10-dev  libunicap2 libunicap2-dev libdc1394-22-dev libdc1394-22 libdc1394-utils swig libv4l-0 libv4l-dev

2. Adding export paths:

export ANT_HOME=/usr/share/ant/
export PATH=${PATH}:${ANT_HOME}/bin
export JAVA_HOME=/usr/lib/jvm/jdk-8-oracle-arm32-vfp-hflt/
export PATH=$PATH:$JAVA_HOME/bin

3. Downloading OpenCV:

wget https://github.com/opencv/opencv/archive/3.2.0.zip
mv 3.2.0 opencv.zip
unzip opencv.zip 
cd opencv-3.2.0/

4. Make & Install:

mkdir build
cd build
cmake -D CMAKE_BUILD_TYPE=RELEASE -D WITH_OPENCL=OFF -D BUILD_PERF_TESTS=OFF -D BUILD_SHARED_LIBS=OFF -D JAVA_INCLUDE_PATH=$JAVA_HOME/include -D JAVA_AWT_LIBRARY=$JAVA_HOME/jre/lib/arm/libawt.so -D JAVA_JVM_LIBRARY=$JAVA_HOME/jre/lib/arm/server/libjvm.so -D CMAKE_INSTALL_PREFIX=/usr/local ..
make
make install

I'm running this on a Raspberry Pi. A part of the output of cmake is: 

--   Python (for build):            /usr/bin/python2.7
--
--   Java:
--     ant:                         /usr/bin/ant (ver 1.9.4)
--     JNI:                         NO
--     Java wrappers:               NO
--     Java tests:                  NO

which concerns me..

Thanks in advance for your help!

Building native libraries not working

When following the instructions for building native libraries for OpenCV with cmake, I don't get any /libs folder with the .so file and the .jar file isn't generated either.

I'm following these steps:

1. Installing dependencies:

sudo apt-get update && sudo apt-get install oracle-java8-jdk cmake ant
sudo apt-get install build-essential cmake pkg-config libpng12-0 libpng12-dev libpng++-dev libpng3 libpnglite-dev zlib1g-dbg zlib1g zlib1g-dev pngtools  libtiff4 libtiffxx0c2 libtiff-tools libjpeg8 libjpeg8-dev libjpeg8-dbg libjpeg-progs libavcodec-dev   libavformat-dev libgstreamer0.10-0-dbg libgstreamer0.10-0 libgstreamer0.10-dev  libunicap2 libunicap2-dev libdc1394-22-dev libdc1394-22 libdc1394-utils swig libv4l-0 libv4l-dev

2. Adding export paths:

export ANT_HOME=/usr/share/ant/
export PATH=${PATH}:${ANT_HOME}/bin
export JAVA_HOME=/usr/lib/jvm/jdk-8-oracle-arm32-vfp-hflt/
export PATH=$PATH:$JAVA_HOME/bin

3. Downloading OpenCV:

wget https://github.com/opencv/opencv/archive/3.2.0.zip
mv 3.2.0 opencv.zip
unzip opencv.zip 
cd opencv-3.2.0/

4. Make & Install:

mkdir build
cd build
cmake -D CMAKE_BUILD_TYPE=RELEASE -D WITH_OPENCL=OFF -D BUILD_PERF_TESTS=OFF -D BUILD_SHARED_LIBS=OFF -D JAVA_INCLUDE_PATH=$JAVA_HOME/include -D JAVA_AWT_LIBRARY=$JAVA_HOME/jre/lib/arm/libawt.so -D JAVA_JVM_LIBRARY=$JAVA_HOME/jre/lib/arm/server/libjvm.so -D CMAKE_INSTALL_PREFIX=/usr/local ..
make
make install

I'm running this on a Raspberry Pi. A part of the output of cmake is: 

--   OpenCV modules:
--     To be built:                 calib3d core dnn features2d flann highgui imgcodecs imgproc ml objdetect photo python_bindings_generator shape stitching superres ts video videoio videostab
--     Disabled:                    js world
--     Disabled by dependency:      -
--     Unavailable:                 cudaarithm cudabgsegm cudacodec cudafeatures2d cudafilters cudaimgproc cudalegacy cudaobjdetect cudaoptflow cudastereo cudawarping cudev java python2 python3 viz

<-- some other stuff -->

--   Python (for build):            /usr/bin/python2.7
--
--   Java:
--     ant:                         /usr/bin/ant (ver 1.9.4)
--     JNI:                         NO
--     Java wrappers:               NO
--     Java tests:                  NO

which concerns me..

Thanks in advance for your help!

Building native libraries not working

When following the instructions for building native libraries for OpenCV with cmake, I don't get any /libs folder with the .so file and the .jar file isn't generated either.

I'm following these steps:

1. Installing dependencies:

sudo apt-get update && sudo apt-get install oracle-java8-jdk cmake ant
sudo apt-get install build-essential cmake pkg-config libpng12-0 libpng12-dev libpng++-dev libpng3 libpnglite-dev zlib1g-dbg zlib1g zlib1g-dev pngtools  libtiff4 libtiffxx0c2 libtiff-tools libjpeg8 libjpeg8-dev libjpeg8-dbg libjpeg-progs libavcodec-dev   libavformat-dev libgstreamer0.10-0-dbg libgstreamer0.10-0 libgstreamer0.10-dev  libunicap2 libunicap2-dev libdc1394-22-dev libdc1394-22 libdc1394-utils swig libv4l-0 libv4l-dev

2. Adding export paths:

export ANT_HOME=/usr/share/ant/
export PATH=${PATH}:${ANT_HOME}/bin
export JAVA_HOME=/usr/lib/jvm/jdk-8-oracle-arm32-vfp-hflt/
export PATH=$PATH:$JAVA_HOME/bin

3. Downloading OpenCV:

wget https://github.com/opencv/opencv/archive/3.2.0.zip
mv 3.2.0 opencv.zip
unzip opencv.zip 
cd opencv-3.2.0/

4. Make & Install:

mkdir build
cd build
cmake -D CMAKE_BUILD_TYPE=RELEASE -D WITH_OPENCL=OFF -D BUILD_PERF_TESTS=OFF -D BUILD_SHARED_LIBS=OFF -D JAVA_INCLUDE_PATH=$JAVA_HOME/include -D JAVA_AWT_LIBRARY=$JAVA_HOME/jre/lib/arm/libawt.so -D JAVA_JVM_LIBRARY=$JAVA_HOME/jre/lib/arm/server/libjvm.so -D CMAKE_INSTALL_PREFIX=/usr/local ..
make
make install

I'm running this on a Raspberry Pi. A part of the output of cmake is: 

--   OpenCV modules:
--     To be built:                 calib3d core dnn features2d flann highgui imgcodecs imgproc ml objdetect photo python_bindings_generator shape stitching superres ts video videoio videostab
--     Disabled:                    js world
--     Disabled by dependency:      -
--     Unavailable:                 cudaarithm cudabgsegm cudacodec cudafeatures2d cudafilters cudaimgproc cudalegacy cudaobjdetect cudaoptflow cudastereo cudawarping cudev java python2 python3 viz

<-- some other stuff -->

--   Python (for build):            /usr/bin/python2.7
--
--   Java:
--     ant:                         /usr/bin/ant (ver 1.9.4)
--     JNI:                         NO
--     Java wrappers:               NO
--     Java tests:                  NO

which concerns me..

Thanks in advance for your help!

Edit: Also noticed this error in cmake:

-- Could NOT find JNI (missing:  JAVA_INCLUDE_PATH2 JAVA_AWT_INCLUDE_PATH)

Building native libraries not working

When following the instructions for building native libraries for OpenCV with cmake, I don't get any /libs folder with the .so file and the .jar file isn't generated either.

I'm following these steps:

1. Installing dependencies:

sudo apt-get update && sudo apt-get install oracle-java8-jdk cmake ant
sudo apt-get install build-essential cmake pkg-config libpng12-0 libpng12-dev libpng++-dev libpng3 libpnglite-dev zlib1g-dbg zlib1g zlib1g-dev pngtools  libtiff4 libtiffxx0c2 libtiff-tools libjpeg8 libjpeg8-dev libjpeg8-dbg libjpeg-progs libavcodec-dev   libavformat-dev libgstreamer0.10-0-dbg libgstreamer0.10-0 libgstreamer0.10-dev  libunicap2 libunicap2-dev libdc1394-22-dev libdc1394-22 libdc1394-utils swig libv4l-0 libv4l-dev

2. Adding export paths:

export ANT_HOME=/usr/share/ant/
export PATH=${PATH}:${ANT_HOME}/bin
export JAVA_HOME=/usr/lib/jvm/jdk-8-oracle-arm32-vfp-hflt/
export PATH=$PATH:$JAVA_HOME/bin

3. Downloading OpenCV:

wget https://github.com/opencv/opencv/archive/3.2.0.zip
https://github.com/opencv/opencv/archive/3.4.0.zip
mv 3.2.0 3.4.0 opencv.zip
unzip opencv.zip 
cd opencv-3.2.0/
opencv-3.4.0/

4. Make & Install:

mkdir build
cd build
cmake -D CMAKE_BUILD_TYPE=RELEASE -D WITH_OPENCL=OFF -D BUILD_PERF_TESTS=OFF -D BUILD_SHARED_LIBS=OFF -D JAVA_INCLUDE_PATH=$JAVA_HOME/include -D JAVA_AWT_LIBRARY=$JAVA_HOME/jre/lib/arm/libawt.so -D JAVA_JVM_LIBRARY=$JAVA_HOME/jre/lib/arm/server/libjvm.so -D CMAKE_INSTALL_PREFIX=/usr/local ..
make
make install

I'm running this on a Raspberry Pi. A part of the output of cmake is: 

--   OpenCV modules:
--     To be built:                 calib3d core dnn features2d flann highgui imgcodecs imgproc ml objdetect photo python_bindings_generator shape stitching superres ts video videoio videostab
--     Disabled:                    js world
--     Disabled by dependency:      -
--     Unavailable:                 cudaarithm cudabgsegm cudacodec cudafeatures2d cudafilters cudaimgproc cudalegacy cudaobjdetect cudaoptflow cudastereo cudawarping cudev java python2 python3 viz

<-- some other stuff -->

--   Python (for build):            /usr/bin/python2.7
--
--   Java:
--     ant:                         /usr/bin/ant (ver 1.9.4)
--     JNI:                         NO
--     Java wrappers:               NO
--     Java tests:                  NO

which concerns me..

Thanks in advance for your help!

Edit: Also noticed this error in cmake:

-- Could NOT find JNI (missing:  JAVA_INCLUDE_PATH2 JAVA_AWT_INCLUDE_PATH)
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