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cmake config: adding fallback to VS 2015 if distribution does not have VS 2017 binaries

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This commit is contained in:
Maksim Shabunin 2018-04-20 18:12:51 +03:00
parent c8b515ea69
commit abce51fb7b
1 changed files with 34 additions and 18 deletions
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52
cmake/templates/OpenCVConfig.root-WIN32.cmake.in
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@ -43,7 +43,7 @@ endif()
if(NOT DEFINED OpenCV_STATIC)
# look for global setting
if(BUILD_SHARED_LIBS)
if(NOT DEFINED BUILD_SHARED_LIBS OR BUILD_SHARED_LIBS)
set(OpenCV_STATIC OFF)
else()
set(OpenCV_STATIC ON)
@ -57,6 +57,33 @@ if(NOT DEFINED OpenCV_CUDA)
endif()
endif()
function(check_one_config RES)
set(${RES} "" PARENT_SCOPE)
if(NOT OpenCV_RUNTIME OR NOT OpenCV_ARCH)
return()
endif()
set(candidates)
if(OpenCV_STATIC)
list(APPEND candidates "${OpenCV_ARCH}/${OpenCV_RUNTIME}/staticlib")
endif()
if(OpenCV_CUDA)
list(APPEND candidates "gpu/${OpenCV_ARCH}/${OpenCV_RUNTIME}/lib")
endif()
if(OpenCV_CUDA AND OpenCV_STATIC)
list(APPEND candidates "gpu/${OpenCV_ARCH}/${OpenCV_RUNTIME}/staticlib")
endif()
list(APPEND candidates "${OpenCV_ARCH}/${OpenCV_RUNTIME}/lib")
foreach(c ${candidates})
set(p "${OpenCV_CONFIG_PATH}/${c}")
if(EXISTS "${p}/OpenCVConfig.cmake")
set(${RES} "${p}" PARENT_SCOPE)
return()
endif()
endforeach()
endfunction()
get_filename_component(OpenCV_CONFIG_PATH "${CMAKE_CURRENT_LIST_FILE}" DIRECTORY)
if(DEFINED OpenCV_ARCH AND DEFINED OpenCV_RUNTIME)
# custom overridden values
elseif(MSVC)
@ -82,6 +109,10 @@ elseif(MSVC)
set(OpenCV_RUNTIME vc14)
elseif(MSVC_VERSION MATCHES "^191[0-9]$")
set(OpenCV_RUNTIME vc15)
check_one_config(has_VS2017)
if(NOT has_VS2017)
set(OpenCV_RUNTIME vc14) # selecting previous compatible runtime version
endif()
endif()
elseif(MINGW)
set(OpenCV_RUNTIME mingw)
@ -97,29 +128,14 @@ elseif(MINGW)
endif()
endif()
check_one_config(OpenCV_LIB_PATH)
if(NOT OpenCV_FIND_QUIETLY)
message(STATUS "OpenCV ARCH: ${OpenCV_ARCH}")
message(STATUS "OpenCV RUNTIME: ${OpenCV_RUNTIME}")
message(STATUS "OpenCV STATIC: ${OpenCV_STATIC}")
endif()
get_filename_component(OpenCV_CONFIG_PATH "${CMAKE_CURRENT_LIST_FILE}" PATH)
if(OpenCV_RUNTIME AND OpenCV_ARCH)
if(OpenCV_STATIC AND EXISTS "${OpenCV_CONFIG_PATH}/${OpenCV_ARCH}/${OpenCV_RUNTIME}/staticlib/OpenCVConfig.cmake")
if(OpenCV_CUDA AND EXISTS "${OpenCV_CONFIG_PATH}/gpu/${OpenCV_ARCH}/${OpenCV_RUNTIME}/staticlib/OpenCVConfig.cmake")
set(OpenCV_LIB_PATH "${OpenCV_CONFIG_PATH}/gpu/${OpenCV_ARCH}/${OpenCV_RUNTIME}/staticlib")
else()
set(OpenCV_LIB_PATH "${OpenCV_CONFIG_PATH}/${OpenCV_ARCH}/${OpenCV_RUNTIME}/staticlib")
endif()
elseif(EXISTS "${OpenCV_CONFIG_PATH}/${OpenCV_ARCH}/${OpenCV_RUNTIME}/lib/OpenCVConfig.cmake")
if(OpenCV_CUDA AND EXISTS "${OpenCV_CONFIG_PATH}/gpu/${OpenCV_ARCH}/${OpenCV_RUNTIME}/lib/OpenCVConfig.cmake")
set(OpenCV_LIB_PATH "${OpenCV_CONFIG_PATH}/gpu/${OpenCV_ARCH}/${OpenCV_RUNTIME}/lib")
else()
set(OpenCV_LIB_PATH "${OpenCV_CONFIG_PATH}/${OpenCV_ARCH}/${OpenCV_RUNTIME}/lib")
endif()
endif()
endif()
if(OpenCV_LIB_PATH AND EXISTS "${OpenCV_LIB_PATH}/OpenCVConfig.cmake")
include("${OpenCV_LIB_PATH}/OpenCVConfig.cmake")