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CMake error configuring opencv


CMake error configuring opencv

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CMake error configuring opencv
Tag : opencv , By : Dennizzz
Date : December 01 2020, 04:55 PM


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CMake error when configuring OpenCV


Tag : opencv , By : Cesar Sanz
Date : March 29 2020, 07:55 AM
wish helps you I am using cmake-gui trying to build opencv but get this error: , It looks like the line in question is
  math(EXPR SIZEOF_VOID_P_BITS "8 * ${CMAKE_SIZEOF_VOID_P}")
  if(NOT CMAKE_SIZEOF_VOID_P)
    set(CMAKE_SIZEOF_VOID_P 4)  # replace 4 with 8 for 64-bit machine
  endif()
cmake --help-command math
cmake --help-variable CMAKE_SIZEOF_VOID_P

Configuring an c++ OpenCV project with Cmake


Tag : opencv , By : dummyadresse
Date : March 29 2020, 07:55 AM
hop of those help? First: create a folder Project containing two subfolders src and include, and a file called CMakeLists.txt.
Second: Put your cpp inside the src folder and your headers in the include folders.
cmake_minimum_required(VERSION 2.8) 
PROJECT (name)
find_package(OpenCV REQUIRED )
set( NAME_SRC
    src/main.cpp    
)

set( NAME_HEADERS       
     include/header.h
)

INCLUDE_DIRECTORIES( ${CMAKE_CURRENT_SOURCE_DIR}/include )
link_directories( ${CMAKE_BINARY_DIR}/bin)
set(EXECUTABLE_OUTPUT_PATH ${CMAKE_BINARY_DIR}/bin)
add_executable( name ${NAME_SRC} ${NAME_HEADERS} )

target_link_libraries( sample_pcTest ${OpenCV_LIBS} )

Error configuring OpenCV project with CMake on Windows


Tag : opencv , By : chad
Date : March 29 2020, 07:55 AM
Any of those help What generator string did you use for the CMake configuration step? For VC12 x64, you need to use -G "Visual Studio 12 Win64" (if you were using CMake 3, you would use -G "Visual Studio 12 2013 Win64"). Note that you need to include Win64 at the end to get the x64 platform.
It is rather convenient that the OpenCV CMake config script is checking to make sure you are using the x64 binaries. You configured CMake to build 32-bit binaries, which would cause a runtime error if you were able to get an executable built.

OpenCV CLion (Cmake) linking issue - cmake reports a strange error


Tag : cpp , By : SA.
Date : March 29 2020, 07:55 AM
I hope this helps you . I don't know what really happened, but I've added a line that manually sets the OpenCV_FOUND to 1 into OpenCVConfig.cmake and everything works fine:
set(OpenCV_FOUND 1)

Cmake error while configuring openCV with CUDA


Tag : opencv , By : deanschang
Date : March 29 2020, 07:55 AM
seems to work fine Solution is to choose Visual Studio 11 Win64 instead of Visual Stuidio 11 as generator in CMAKE. this will lead to clean configuration.
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