'How to include Vcpkg on CMakeLists.txt?

So I have a project which depends on opencv, which is installed with vcpkg. The project is build with cmake.

CMakeLists.txt

cmake_minimum_required(VERSION 3.19.1)

set(CMAKE_TOOLCHAIN_FILE ~/vcpkg/scripts/buildsystems/vcpkg.cmake)

project(mylib)

set (CMAKE_CXX_STANDARD 14)

find_package(OpenCV REQUIRED)

include_directories(~/vcpkg/installed/x64-osx/include)

link_libraries(${OpenCV_LIBS})

set(CMAKE_WINDOWS_EXPORT_ALL_SYMBOLS TRUE)

add_library(mylib SHARED mylib another_lib)

As can be seen, I'm trying to use the same CMakeLists.txt to build it on macOS and Windows.

The link_libraries(${OpenCV_LIBS}) translates nicely between different OSs.

But include_directories(~/vcpkg/installed/x64-osx/include) only works on macOS, on Windows it should refer to C:/vcpkg/installed/x64-windows/include instead.

Is there any opecv/vcpkg I can use inlace of these?

c++windowsmacoscmakevcpkg


Solution 1:[1]

This include_directories(~/vcpkg/installed/x64-osx/include) looks odd. This should be instead that:

include_directories(${OpenCV_INCLUDE_DIRS})

Solution 2:[2]

You can use vcpkg in the manifest mode https://vcpkg.readthedocs.io/en/latest/users/manifests/

This way you create a JSON file listing all of your dependencies and when invoking cmake vcpkg will automatically bootstrap and install all the dependencies.

Sources

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Source: Stack Overflow

Solution Source
Solution 1 273K
Solution 2 MarekR

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