CODEWITHSUNDEEP
c++opencvcmake
bweber
bweber

Reputation: 4082

CMake: Link different OpenCV libs to different executables of same project

I have a project which uses OpenCV and whose project files are generated via cmake. Now adding the opencv libs in CMake generally works like this:

find_package(OpenCV REQUIRED core highgui gpu)
add_executable(SomeExecutable someSource.cpp)
target_link_libraries(SomeExecutable ${OpenCV_LIBS})

Which would link the libs core, highgui and gpu to this executable. Now if I have a project with multiple executables, is it possible to add different ones of the OpenCV libs to the different executables? (E.g. because I don't want the other application to load unnecessary libraries).

Upvotes: 0

Views: 974

Answers (1)

szulak
szulak

Reputation: 703

You should not link your targets with all found packages. Instead of writing:

target_link_libraries(SomeExecutable ${OpenCV_LIBS})

You might want to write:

target_link_libraries(SomeExecutable cxcore highgui)

For the names of OpenCV libraries check FindOpenCV.cmake file in your CMake path.

Upvotes: 1

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