ubuntu 16.10, OpenCV build fails - stdlib.h missing
Hello, I'm trying to build OpenCV on Ubuntu 16.10. The build process is interrupted with the error shown below. Obviously the file "/usr/include/c++/6/stdlib.h" exists in my system. I have tried this...
View ArticleCaffe section in the opencv's makefile
What does Caffe section do in the opencv build. I've tried to google it but without any outcome. 
View ArticleBuild failure with android ndk r13b and c++_shared
Because of other dependencies we need to build openCV with ndk r13b and the stl c++_shared. We build on mac OSX. First we had to fix a small thing in *android.toolchain.cmake* since apparently some...
View ArticleUndefined freetype symbols when building openCV 3.2.0
openCV: 3.2.0 OS: Yosemite 10.10.5 compiler: Apple LLVM version 7.0.2 (clang-700.1.81) I built openCV 3.2.0 successfully, but then I found out that I needed `ffmpeg` support. I installed `ffmpeg` with...
View Articlefata error: LAPACKE_H_PATH-NOTFOUND when building OpenCV 3.2
Hello I get this error when building OpenCV 3.2: In file included from /home/username/opencv-3.2.0/opencv/modules/core/src/hal_internal.cpp:49:0:...
View Articleopencv 3.2 build nvcc device fatal error C1083
I'm trying to build OpenCV 3.2 with CUDA and TBB enabled. I've followed the usual directions and generated my solution with CMake. When I try to build opencv_world in Visual Studio 2013 I get the NVCC...
View ArticleOpenCV 3.1 build for windows imshow doesn't work
> Blockquote I build OpenCV 3.1 with CMake 3.2.2 with Visual Studio 2013 64 in Windows 7 WITH_WIN32UI flag is set to true but when I try to imshow I get the following runtime error: >OpenCV...
View ArticleBuild Opencv 3.2 fails on Windows 8.1 with VS2013
Building Opencv-3.2.0 failed on my Windows 8.1 VM, using cmake 3.5.2 and visual studio 2013: First, Visual Studio fails without showing any helpful message, but after digging I found out...
View ArticleBuilding OpenCV
I'm trying to build OpenCV 3.2.0 with CMake 3.7.2 (same problem with CMake 3.4.0) and during the configure step I get lots of error messages related to ocv_get_all_libs: CMake Error at...
View ArticleFailed to build OpenCV for Android 2.4.11 under Ubuntu 16.04
Hi, i am getting error when try to build OpenCV for Android (version 2.4.11) under Ubunto 16.04. It failed at **97% Building OpenCV Android library project with error Buildfile: build.xml does not...
View ArticleOpenCV build error
What can I resolve this error? > -- Found VTK ver. 6.2.0 (usefile: /usr/lib/cmake/vtk-6.2/UseVTK.cmake) CMake Error at cmake/OpenCVModule.cmake:268 (message): The directory...
View ArticleBuild OpenCV 3.2 with IPP_A
I want to build OpenCV 3.2 (for Visual Studio 2015, Win64) with IPP_A. When I tick `WITH_IPP_A` in CMake and configure again, I get the following values: IPP_A_INCLUDE_DIR = IPP_A_INCLUDE_DIR-NOTFOUND...
View ArticleBuild opencv 3.1 with Visual Studio 2008
I'm trying to build Opencv 3.1 with Visual Studio 2008 but I get some errors as: - `stdint.h` not found - `__cpuidex` not defined - `data()` is not a member function of `std::vector` Is it possible...
View ArticleBuilt library is twice as large as the distributed one
When I use `cmake` to build `libopencv_java3.so` in release mode with default configuration I got a library of **17MB** I can reduce that to **10MB** by adding some flags and disabling some modules....
View Articlebuild OpenCV 3.1 for android with openCL support
Hi All! I tried OpenCL on my OpenCV project and the result is a huge improvement in terms of performance so I would like to try OpenCL on android. I use this...
View ArticleHow to compile opencv with local libpng version?
I'm on a ubuntu-like Linux machine without root access. I have a local version of libpng-1.6.26 that I installed in my home account (the default libpng is libpng12). I successfully built opencv-2.4.13...
View ArticleError building opencv with extra modules in Visual Studio
I have configured and generated opencv 3.2 with extra modules on CMAKE successfully using a 32-bit compiler of Visual Studio 2015 (vs14). However, when building this project in Visual Studio I get...
View ArticleIssue with build on symbols OpenCV 3.2.0 / VS2015 / Release (x64)
Hey all I've been hitting a problem for a couple of days now of getting OpenCV to run within a project with VS2015 but am having library linking problems. Specifically, I'm the maintainer of the...
View ArticleLinking error when building OpenCV 3.2.0 with Python support
I build OpenCV 3.2.0 from the sources (including the contrib modules) using the `3.2.0` branch. And when I import it within python, through `import cv2`, I get an `undefined symbol` error. That in my...
View Articleopengl_interop.o build error
I recently started to use OpenCV on Qt Creator 4.2.1. Now I am trying to run opengl_interop.cpp from samples/opengl but I am getting this error: **opengl_interop.o: undefined reference to symbol...
View Article