Merge pull request #2606 from alalek:icv_downloader

3rdparty/ippicv/.gitignore

+downloads/
+macosx/
+linux/
+windows/

3rdparty/ippicv/downloader.cmake

+#
+# The script downloads ICV package
+#
+# On return this will define:
+# OPENCV_ICV_PATH - path to unpacked downloaded package
+#
+
+function(_icv_downloader)
+  # Define actual ICV versions
+  if(APPLE)
+    set(OPENCV_ICV_PACKAGE_NAME "ippicv_macosx.tar.gz")
+    set(OPENCV_ICV_PACKAGE_HASH "d489e447906de7808a9a9d7e3f225f7a")
+    set(OPENCV_ICV_PLATFORM "macosx")
+  elseif(UNIX AND NOT ANDROID)
+    set(OPENCV_ICV_PACKAGE_NAME "ippicv_linux.tar.gz")
+    set(OPENCV_ICV_PACKAGE_HASH "42798c6cd6348bd40e74c425dc23338a")
+    set(OPENCV_ICV_PLATFORM "linux")
+  elseif(WIN32 AND NOT ARM)
+    set(OPENCV_ICV_PACKAGE_NAME "ippicv_windows.zip")
+    set(OPENCV_ICV_PACKAGE_HASH "2715f39ae65dc09bae3648bffe538706")
+    set(OPENCV_ICV_PLATFORM "windows")
+  else()
+    return() # Not supported
+  endif()
+
+  set(OPENCV_ICV_PATH "${CMAKE_CURRENT_LIST_DIR}/${OPENCV_ICV_PLATFORM}")
+
+  if(DEFINED OPENCV_ICV_PACKAGE_DOWNLOADED
+       AND OPENCV_ICV_PACKAGE_DOWNLOADED STREQUAL OPENCV_ICV_PACKAGE_HASH
+       AND EXISTS ${OPENCV_ICV_PATH})
+    # Package has been downloaded and checked by the previous build
+    set(OPENCV_ICV_PATH "${OPENCV_ICV_PATH}" PARENT_SCOPE)
+    return()
+  else()
+    if(EXISTS ${OPENCV_ICV_PATH})
+      message(STATUS "ICV: Removing previous unpacked package: ${OPENCV_ICV_PATH}")
+      file(REMOVE_RECURSE ${OPENCV_ICV_PATH})
+    endif()
+  endif()
+  unset(OPENCV_ICV_PACKAGE_DOWNLOADED CACHE)
+  
+  set(OPENCV_ICV_PACKAGE_ARCHIVE "${CMAKE_CURRENT_LIST_DIR}/downloads/${OPENCV_ICV_PLATFORM}-${OPENCV_ICV_PACKAGE_HASH}/${OPENCV_ICV_PACKAGE_NAME}")
+  get_filename_component(OPENCV_ICV_PACKAGE_ARCHIVE_DIR "${OPENCV_ICV_PACKAGE_ARCHIVE}" PATH)
+  if(EXISTS "${OPENCV_ICV_PACKAGE_ARCHIVE}")
+    file(MD5 "${OPENCV_ICV_PACKAGE_ARCHIVE}" archive_md5)
+    if(NOT archive_md5 STREQUAL OPENCV_ICV_PACKAGE_HASH)
+      message(WARNING "ICV: Local copy of ICV package has invalid MD5 hash: ${archive_md5} (expected: ${OPENCV_ICV_PACKAGE_HASH})")
+      file(REMOVE "${OPENCV_ICV_PACKAGE_ARCHIVE}")
+      file(REMOVE_RECURSE "${OPENCV_ICV_PACKAGE_ARCHIVE_DIR}")
+    endif()
+  endif()
+  
+  if(NOT EXISTS "${OPENCV_ICV_PACKAGE_ARCHIVE}")
+    if(NOT DEFINED OPENCV_ICV_URL)
+      if(NOT DEFINED ENV{OPENCV_ICV_URL})
+        # TODO Specify default URL after ICV publishing
+        message(STATUS "ICV: downloading URL is not specified, skip downloading")
+        return()
+      endif()
+      set(OPENCV_ICV_URL $ENV{OPENCV_ICV_URL})
+    endif()
+  
+    file(MAKE_DIRECTORY ${OPENCV_ICV_PACKAGE_ARCHIVE_DIR})
+    message(STATUS "ICV: Downloading ${OPENCV_ICV_PACKAGE_NAME}...")
+    file(DOWNLOAD "${OPENCV_ICV_URL}/${OPENCV_ICV_PACKAGE_NAME}" "${OPENCV_ICV_PACKAGE_ARCHIVE}"
+         TIMEOUT 600 STATUS __status
+         EXPECTED_MD5 ${OPENCV_ICV_PACKAGE_HASH})
+    if(NOT __status EQUAL 0)
+      message(FATAL_ERROR "ICV: Failed to download ICV package: ${OPENCV_ICV_PACKAGE_NAME}. Status=${__status}")
+    else()
+      # Don't remove this code, because EXPECTED_MD5 parameter doesn't fail "file(DOWNLOAD)" step
+      # on wrong hash 
+      file(MD5 "${OPENCV_ICV_PACKAGE_ARCHIVE}" archive_md5)
+      if(NOT archive_md5 STREQUAL OPENCV_ICV_PACKAGE_HASH)
+        message(FATAL_ERROR "ICV: Downloaded copy of ICV package has invalid MD5 hash: ${archive_md5} (expected: ${OPENCV_ICV_PACKAGE_HASH})")
+      endif()
+    endif()
+  endif()
+  
+  ocv_assert(EXISTS "${OPENCV_ICV_PACKAGE_ARCHIVE}")
+  ocv_assert(NOT EXISTS "${OPENCV_ICV_PATH}")
+  file(MAKE_DIRECTORY ${OPENCV_ICV_PATH})
+  ocv_assert(EXISTS "${OPENCV_ICV_PATH}")
+  
+  message(STATUS "ICV: Unpacking ${OPENCV_ICV_PACKAGE_NAME} to ${OPENCV_ICV_PATH}...")
+  execute_process(COMMAND ${CMAKE_COMMAND} -E tar xz "${OPENCV_ICV_PACKAGE_ARCHIVE}"
+                  WORKING_DIRECTORY "${OPENCV_ICV_PATH}"
+                  RESULT_VARIABLE __result)
+
+  if(NOT __result EQUAL 0)
+    message(FATAL_ERROR "ICV: Failed to unpack ICV package from ${OPENCV_ICV_PACKAGE_ARCHIVE} to ${OPENCV_ICV_PATH} with error ${__result}")
+  endif()
+
+  set(OPENCV_ICV_PACKAGE_DOWNLOADED "${OPENCV_ICV_PACKAGE_HASH}" CACHE INTERNAL "ICV package hash")
+  
+  message(STATUS "ICV: Package successfully downloaded")
+  set(OPENCV_ICV_PATH "${OPENCV_ICV_PATH}" PARENT_SCOPE)
+endfunction()
+
+_icv_downloader()

cmake/OpenCVFindIPP.cmake

@@ -140,7 +140,7 @@ macro(ipp_detect_version)
     else()
       _ipp_not_supported("IPP ${IPP_VERSION_STR} at ${IPP_ROOT_DIR} is not supported")
     endif()
-    if(X86_64)
+    if(IPP_X64)
       _ipp_set_library_dir(${IPP_LIBRARY_DIR}/intel64)
     else()
       _ipp_set_library_dir(${IPP_LIBRARY_DIR}/ia32)
@@ -221,7 +221,12 @@ if(DEFINED ENV{OPENCV_IPP_PATH} AND NOT DEFINED IPPROOT)
   set(IPPROOT "$ENV{OPENCV_IPP_PATH}")
 endif()
 if(NOT DEFINED IPPROOT)
-  set(IPPROOT "${OpenCV_SOURCE_DIR}/3rdparty/ippicv")
+  include("${OpenCV_SOURCE_DIR}/3rdparty/ippicv/downloader.cmake")
+  if(DEFINED OPENCV_ICV_PATH)
+    set(IPPROOT "${OPENCV_ICV_PATH}")
+  else()
+    return()
+  endif()
 endif()
 
 # Try ICV