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This gist shows how to use find_package with ExternalProject and ExternalProject_add in CMake.
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# -------------------------------------------------- | |
function (build_external_project target file_name) | |
set(CMAKELIST_CONTENT " | |
cmake_minimum_required(VERSION ${CMAKE_MINIMUM_REQUIRED_VERSION}) | |
project(build_external_project) | |
file(MD5 \"${file_name}\" FILE_HASH) | |
include(ExternalProject) | |
ExternalProject_add(${target} | |
URL \"${file_name}\" | |
URL_MD5 \${FILE_HASH} | |
CMAKE_GENERATOR \"${CMAKE_GENERATOR}\" | |
CMAKE_GENERATOR_PLATFORM \"${CMAKE_GENERATOR_PLATFORM}\" | |
CMAKE_GENERATOR_TOOLSET \"${CMAKE_GENERATOR_TOOLSET}\" | |
CMAKE_GENERATOR_INSTANCE \"${CMAKE_GENERATOR_INSTANCE}\" | |
CMAKE_ARGS ${ARGN}) | |
add_custom_target(build_external_project) | |
add_dependencies(build_external_project ${target}) | |
") | |
set(TARGET_DIR "${CMAKE_CURRENT_BINARY_DIR}/ExternalProjects/${target}") | |
file(WRITE "${TARGET_DIR}/CMakeLists.txt" "${CMAKELIST_CONTENT}") | |
file(MAKE_DIRECTORY "${TARGET_DIR}" "${TARGET_DIR}/build") | |
execute_process(COMMAND ${CMAKE_COMMAND} | |
-G "${CMAKE_GENERATOR}" | |
-A "${CMAKE_GENERATOR_PLATFORM}" | |
-T "${CMAKE_GENERATOR_TOOLSET}" | |
.. | |
WORKING_DIRECTORY "${TARGET_DIR}/build") | |
execute_process(COMMAND ${CMAKE_COMMAND} | |
--build . | |
--config ${CMAKE_BUILD_TYPE} | |
WORKING_DIRECTORY "${TARGET_DIR}/build") | |
endfunction() | |
#---------------------------------------------------------------------------------------------------- | |
set(THIRD_PARTY_DIR "${CMAKE_CURRENT_LIST_DIR}") | |
set(THIRD_PARTY_INSTALL_DIR "${CMAKE_CURRENT_BINARY_DIR}/ThirdParty") | |
#---------------------------------------------------------------------------------------------------- | |
# OpenCV. | |
set(OPENCV_OPTIONS "") | |
list(APPEND OPENCV_OPTIONS -D WITH_1394=ON) | |
list(APPEND OPENCV_OPTIONS -D WITH_ADE=ON) | |
list(APPEND OPENCV_OPTIONS -D WITH_CUDA=OFF) | |
list(APPEND OPENCV_OPTIONS -D WITH_EIGEN=ON) | |
list(APPEND OPENCV_OPTIONS -D WITH_FFMPEG=ON) | |
list(APPEND OPENCV_OPTIONS -D WITH_IPP=ON) | |
list(APPEND OPENCV_OPTIONS -D WITH_ITT=ON) | |
list(APPEND OPENCV_OPTIONS -D WITH_JASPER=ON) | |
list(APPEND OPENCV_OPTIONS -D WITH_JPEG=ON) | |
list(APPEND OPENCV_OPTIONS -D WITH_OPENCL=ON) | |
list(APPEND OPENCV_OPTIONS -D WITH_OPENEXR=ON) | |
list(APPEND OPENCV_OPTIONS -D WITH_OPENJPEG=ON) | |
list(APPEND OPENCV_OPTIONS -D WITH_PNG=ON) | |
list(APPEND OPENCV_OPTIONS -D WITH_PROTOBUF=ON) | |
list(APPEND OPENCV_OPTIONS -D WITH_QT=OFF) | |
list(APPEND OPENCV_OPTIONS -D WITH_TBB=ON) | |
list(APPEND OPENCV_OPTIONS -D WITH_TIFF=ON) | |
list(APPEND OPENCV_OPTIONS -D WITH_WEBP=ON) | |
list(APPEND OPENCV_OPTIONS -D BUILD_CUDA_STUBS=OFF) | |
list(APPEND OPENCV_OPTIONS -D BUILD_DOCS=OFF) | |
list(APPEND OPENCV_OPTIONS -D BUILD_EXAMPLES=OFF) | |
list(APPEND OPENCV_OPTIONS -D BUILD_IPP_IW=ON) | |
list(APPEND OPENCV_OPTIONS -D BUILD_ITT=ON) | |
list(APPEND OPENCV_OPTIONS -D BUILD_JASPER=ON) | |
list(APPEND OPENCV_OPTIONS -D BUILD_JAVA=OFF) | |
list(APPEND OPENCV_OPTIONS -D BUILD_JPEG=ON) | |
list(APPEND OPENCV_OPTIONS -D BUILD_OPENEXR=ON) | |
list(APPEND OPENCV_OPTIONS -D BUILD_PACKAGE=OFF) | |
list(APPEND OPENCV_OPTIONS -D BUILD_PERF_TESTS=OFF) | |
list(APPEND OPENCV_OPTIONS -D BUILD_PNG=ON) | |
list(APPEND OPENCV_OPTIONS -D BUILD_PROTOBUF=ON) | |
list(APPEND OPENCV_OPTIONS -D BUILD_TBB=ON) | |
list(APPEND OPENCV_OPTIONS -D BUILD_TESTS=OFF) | |
list(APPEND OPENCV_OPTIONS -D BUILD_TIFF=ON) | |
list(APPEND OPENCV_OPTIONS -D BUILD_WEBP=ON) | |
list(APPEND OPENCV_OPTIONS -D BUILD_ZLIB=ON) | |
list(APPEND OPENCV_OPTIONS -D BUILD_opencv_apps=OFF) | |
list(APPEND OPENCV_OPTIONS -D BUILD_opencv_java_bindings_generator=OFF) | |
list(APPEND OPENCV_OPTIONS -D BUILD_opencv_js=OFF) | |
list(APPEND OPENCV_OPTIONS -D BUILD_opencv_python_bindings_generator=OFF) | |
list(APPEND OPENCV_OPTIONS -D BUILD_opencv_python_tests=OFF) | |
list(APPEND OPENCV_OPTIONS -D BUILD_opencv_world=OFF) | |
list(APPEND OPENCV_OPTIONS -D OPENCV_ENABLE_NONFREE=OFF) | |
list(APPEND OPENCV_OPTIONS -D OPENCV_FORCE_3RDPARTY_BUILD=ON) | |
list(APPEND OPENCV_OPTIONS -D BUILD_WITH_STATIC_CRT=OFF) | |
list(APPEND OPENCV_OPTIONS -D CMAKE_TOOLCHAIN_FILE=${CMAKE_TOOLCHAIN_FILE}) | |
list(APPEND OPENCV_OPTIONS -D CMAKE_BUILD_TYPE=${CMAKE_BUILD_TYPE}) | |
list(APPEND OPENCV_OPTIONS -D CMAKE_POSITION_INDEPENDENT_CODE=ON) | |
list(APPEND OPENCV_OPTIONS -D BUILD_SHARED_LIBS=OFF) | |
list(APPEND OPENCV_OPTIONS -D CMAKE_INSTALL_PREFIX=${THIDR_PARTY_INSTALL_DIR}/OpenCV) | |
build_external_project(OpenCV "${THIRD_PARTY_DIR}/OpenCV/opencv-4.3.0+cache.zip" ${OPENCV_OPTIONS}) | |
set(OpenCV_STATIC ON) | |
#---------------------------------------------------------------------------------------------------- | |
# Dlib. | |
set(DLIB_OPTIONS "") | |
list(APPEND DLIB_OPTIONS -D USE_SSE2_INSTRUCTIONS=ON) | |
list(APPEND DLIB_OPTIONS -D USE_SSE4_INSTRUCTIONS=ON) | |
list(APPEND DLIB_OPTIONS -D USE_AVX_INSTRUCTIONS=ON) | |
list(APPEND DLIB_OPTIONS -D DLIB_GIF_SUPPORT=ON) | |
list(APPEND DLIB_OPTIONS -D DLIB_JPEG_SUPPORT=ON) | |
list(APPEND DLIB_OPTIONS -D DLIB_PNG_SUPPORT=ON) | |
list(APPEND DLIB_OPTIONS -D DLIB_USE_BLAS=ON) | |
list(APPEND DLIB_OPTIONS -D DLIB_USE_CUDA=OFF) | |
list(APPEND DLIB_OPTIONS -D DLIB_USE_LAPACK=ON) | |
list(APPEND DLIB_OPTIONS -D DLIB_USE_MKL_FFT=OFF) | |
list(APPEND DLIB_OPTIONS -D DLIB_LINK_WITH_SQLITE3=OFF) | |
list(APPEND DLIB_OPTIONS -D DLIB_NO_GUI_SUPPORT=OFF) | |
list(APPEND DLIB_OPTIONS -D DLIB_ENABLE_ASSERTS=OFF) | |
list(APPEND DLIB_OPTIONS -D DLIB_ENABLE_STACK_TRACE=OFF) | |
list(APPEND DLIB_OPTIONS -D CMAKE_TOOLCHAIN_FILE=${CMAKE_TOOLCHAIN_FILE}) | |
list(APPEND DLIB_OPTIONS -D CMAKE_BUILD_TYPE=${CMAKE_BUILD_TYPE}) | |
list(APPEND DLIB_OPTIONS -D CMAKE_POSITION_INDEPENDENT_CODE=ON) | |
list(APPEND DLIB_OPTIONS -D BUILD_SHARED_LIBS=OFF) | |
list(APPEND DLIB_OPTIONS -D CMAKE_INSTALL_PREFIX=${THIDR_PARTY_INSTALL_DIR}/dlib) | |
build_external_project(dlib ${THIRD_PARTY_DIR}/Dlib/dlib-19.20.tar.bz2 ${DLIB_OPTIONS}) | |
#---------------------------------------------------------------------------------------------------- | |
#################################################################################################### | |
# Now, you can use find_package: | |
find_package(OpenCV REQUIRED PATHS "${THIDR_PARTY_INSTALL_DIR}/OpenCV" NO_DEFAULT_PATH) | |
find_package(dlib REQUIRED PATHS "${THIDR_PARTY_INSTALL_DIR}/dlib" NO_DEFAULT_PATH) | |
#################################################################################################### |
It was corrected. Thanks you :)
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Thanks for sharing this gist.
There is a little typo on "THIDR_PARTY_DIR"