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function(download_ippicv root_var)
set(${root_var} "" PARENT_SCOPE)
# Commit SHA in the opencv_3rdparty repo
set(IPPICV_COMMIT "bdb7bb85f34a8cb0d35e40a81f58da431aa1557a")
# Define actual ICV versions
if(APPLE)
set(OPENCV_ICV_PLATFORM "macosx")
set(OPENCV_ICV_PACKAGE_SUBDIR "ippicv_mac")
if(X86_64)
set(OPENCV_ICV_NAME "ippicv_2017u3_mac_intel64_general_20180518.tgz")
set(OPENCV_ICV_HASH "3ae52b9be0fe73dd45bc5e9429cd3732")
else()
set(OPENCV_ICV_NAME "ippicv_2017u3_mac_ia32_general_20180518.tgz")
set(OPENCV_ICV_HASH "698660b975b62bee3ef6c5af51e97544")
endif()
elseif((UNIX AND NOT ANDROID) OR (UNIX AND ANDROID_ABI MATCHES "x86"))
set(OPENCV_ICV_PLATFORM "linux")
set(OPENCV_ICV_PACKAGE_SUBDIR "ippicv_lnx")
if(X86_64)
set(OPENCV_ICV_NAME "ippicv_2017u3_lnx_intel64_general_20180518.tgz")
set(OPENCV_ICV_HASH "b7cc351267db2d34b9efa1cd22ff0572")
else()
set(OPENCV_ICV_NAME "ippicv_2017u3_lnx_ia32_general_20180518.tgz")
set(OPENCV_ICV_HASH "ea72de74dae3c604eb6348395366e78e")
endif()
elseif(WIN32 AND NOT ARM)
set(OPENCV_ICV_PLATFORM "windows")
set(OPENCV_ICV_PACKAGE_SUBDIR "ippicv_win")
if(X86_64)
set(OPENCV_ICV_NAME "ippicv_2017u3_win_intel64_general_20180518.zip")
set(OPENCV_ICV_HASH "915ff92958089ede8ea532d3c4fe7187")
else()
set(OPENCV_ICV_NAME "ippicv_2017u3_win_ia32_general_20180518.zip")
set(OPENCV_ICV_HASH "928168c2d99ab284047dfcfb7a821d91")
endif()
else()
return()
endif()
set(THE_ROOT "${OpenCV_BINARY_DIR}/3rdparty/ippicv")
ocv_download(FILENAME ${OPENCV_ICV_NAME}
HASH ${OPENCV_ICV_HASH}
URL
"${OPENCV_IPPICV_URL}"
"$ENV{OPENCV_IPPICV_URL}"
"https://raw.githubusercontent.com/opencv/opencv_3rdparty/${IPPICV_COMMIT}/ippicv/"
DESTINATION_DIR "${THE_ROOT}"
ID IPPICV
STATUS res
UNPACK RELATIVE_URL)
if(res)
set(${root_var} "${THE_ROOT}/${OPENCV_ICV_PACKAGE_SUBDIR}" PARENT_SCOPE)
endif()
endfunction()