--- QtOIIO-2021.1.0/cmake/FindOpenEXR.cmake	2020-06-07 16:28:40.000000000 +0200
+++ QtOIIO-2021.1.0.new/cmake/FindOpenEXR.cmake	1970-01-01 01:00:00.000000000 +0100
@@ -1,175 +0,0 @@
-# Module to find OpenEXR.
-#
-# This module will set
-#   OPENEXR_FOUND          true, if found
-#   OPENEXR_INCLUDE_DIR    directory where headers are found
-#   OPENEXR_LIBRARIES      libraries for OpenEXR + IlmBase
-#   ILMBASE_LIBRARIES      libraries just IlmBase
-#   OPENEXR_VERSION        OpenEXR version (accurate for >= 2.0.0,
-#                              otherwise will just guess 1.6.1)
-#
-# Special inputs:
-#   OPENEXR_CUSTOM_INCLUDE_DIR - custom location of headers
-#   OPENEXR_CUSTOM_LIB_DIR - custom location of libraries
-#   OPENEXR_CUSTOM_LIB_PREFIX - special snowflake library prefix
-#   OPENEXR_CUSTOM_LIB_SUFFIX - special snowflake library suffix
-#
-
-# Other standard issue macros
-include (FindPackageHandleStandardArgs)
-include (SelectLibraryConfigurations)
-
-find_package (ZLIB REQUIRED)
-
-# Link with pthreads if required
-find_package (Threads)
-if (CMAKE_USE_PTHREADS_INIT)
-    set (ILMBASE_PTHREADS ${CMAKE_THREAD_LIBS_INIT})
-endif ()
-
-# List of likely places to find the headers -- note priority override of
-# OPENEXR_CUSTOM_INCLUDE_DIR and ${OPENEXR_HOME}/include.
-# ILMBASE is needed in case ilmbase an openexr are installed in separate
-# directories, like NixOS does
-set (GENERIC_INCLUDE_PATHS
-    ${OPENEXR_CUSTOM_INCLUDE_DIR}
-    ${OPENEXR_HOME}/include
-    ${ILMBASE_HOME}/include
-#    /usr/local/include
-#    /usr/include
-#    /usr/include/${CMAKE_LIBRARY_ARCHITECTURE}
-#    /sw/include
-#    /opt/local/include
-)
-
-# Find the include file locations. We call find_path twice -- first using
-# only the custom paths, then if that fails, try the default paths only.
-# This seems to be the most robust way I can find to not get confused when
-# both system and custom libraries are present.
-find_path (ILMBASE_INCLUDE_PATH OpenEXR/IlmBaseConfig.h
-           PATHS ${GENERIC_INCLUDE_PATHS})
-#find_path (ILMBASE_INCLUDE_PATH OpenEXR/IlmBaseConfig.h)
-find_path (OPENEXR_INCLUDE_PATH OpenEXR/OpenEXRConfig.h
-           PATHS ${GENERIC_INCLUDE_PATHS})
-#find_path (OPENEXR_INCLUDE_PATH OpenEXR/OpenEXRConfig.h)
-
-# message(WARNING "GENERIC_INCLUDE_PATHS: ${GENERIC_INCLUDE_PATHS}")
-# message(WARNING "Test if file exist: ${OPENEXR_INCLUDE_PATH}/OpenEXR/ImfMultiPartInputFile.h")
-
-# Try to figure out version number
-if (EXISTS "${OPENEXR_INCLUDE_PATH}/OpenEXR/ImfMultiPartInputFile.h")
-    # message(WARNING "Yes, file exist")
-
-    # Must be at least 2.0
-    file(STRINGS "${OPENEXR_INCLUDE_PATH}/OpenEXR/OpenEXRConfig.h" TMP REGEX "^#define OPENEXR_VERSION_STRING .*$")
-    string (REGEX MATCHALL "[0-9]+[.0-9]+" OPENEXR_VERSION ${TMP})
-    file(STRINGS "${OPENEXR_INCLUDE_PATH}/OpenEXR/OpenEXRConfig.h" TMP REGEX "^#define OPENEXR_VERSION_MAJOR .*$")
-    string (REGEX MATCHALL "[0-9]+" OPENEXR_VERSION_MAJOR ${TMP})
-    file(STRINGS "${OPENEXR_INCLUDE_PATH}/OpenEXR/OpenEXRConfig.h" TMP REGEX "^#define OPENEXR_VERSION_MINOR .*$")
-    string (REGEX MATCHALL "[0-9]+" OPENEXR_VERSION_MINOR ${TMP})
-else ()
-    message(WARNING "No, default to 1.6.1")
-    # Assume an old one, predates 2.x that had versions
-    set (OPENEXR_VERSION 1.6.1)
-    set (OPENEXR_MAJOR 1)
-    set (OPENEXR_MINOR 6)
-endif ()
-
-
-# List of likely places to find the libraries -- note priority override of
-# OPENEXR_CUSTOM_LIB_DIR and ${OPENEXR_HOME}/lib.
-
-# If there's no OPENEXR_HOME or ILMBASE_HOME, then the path will point to
-# "/lib", which may not always be wanted/expected.
-if (OPENEXR_CUSTOM_LIB_DIR)
-  set (GENERIC_LIBRARY_PATHS ${GENERIC_LIBRARY_PATHS} ${OPENEXR_CUSTOM_LIB_DIR})
-endif()
-
-if (OPENEXR_HOME)
-  set (GENERIC_LIBRARY_PATHS ${GENERIC_LIBRARY_PATHS} ${OPENEXR_HOME})
-endif()
-
-if (ILMBASE_HOME)
-  set (GENERIC_LIBRARY_PATHS ${GENERIC_LIBRARY_PATHS} ${ILMBASE_HOME})
-endif()
-
-set (GENERIC_LIBRARY_PATHS
-    ${GENERIC_LIBRARY_PATHS}
-    ${OPENEXR_INCLUDE_PATH}/../lib
-    ${ILMBASE_INCLUDE_PATH}/../lib
-    /usr/local/lib
-    /usr/local/lib/${CMAKE_LIBRARY_ARCHITECTURE}
-    /usr/lib
-    /usr/lib/${CMAKE_LIBRARY_ARCHITECTURE}
-    /sw/lib
-    /opt/local/lib
-    $ENV{PROGRAM_FILES}/OpenEXR/lib/static )
-
-# Handle request for static libs by altering CMAKE_FIND_LIBRARY_SUFFIXES.
-# We will restore it at the end of this file.
-set (_openexr_orig_suffixes ${CMAKE_FIND_LIBRARY_SUFFIXES})
-if (OpenEXR_USE_STATIC_LIBS)
-    if (WIN32)
-        set (CMAKE_FIND_LIBRARY_SUFFIXES .lib .a ${CMAKE_FIND_LIBRARY_SUFFIXES})
-    else ()
-        set (CMAKE_FIND_LIBRARY_SUFFIXES .a)
-    endif ()
-endif ()
-
-# Look for the libraries themselves, for all the components. Like with the
-# headers, we do two finds -- first for custom locations, then for default.
-# This is complicated because the OpenEXR libraries may or may not be
-# built with version numbers embedded.
-set (_openexr_components IlmThread IlmImf Imath Iex Half)
-foreach (COMPONENT ${_openexr_components})
-    string (TOUPPER ${COMPONENT} UPPERCOMPONENT)
-    # First try with the version embedded
-    set (FULL_COMPONENT_NAME ${OPENEXR_CUSTOM_LIB_PREFIX}${COMPONENT}-${OPENEXR_VERSION_MAJOR}_${OPENEXR_VERSION_MINOR}${OPENEXR_CUSTOM_LIB_SUFFIX})
-    find_library (OPENEXR_${UPPERCOMPONENT}_LIBRARY ${FULL_COMPONENT_NAME}
-                  PATHS ${GENERIC_LIBRARY_PATHS} NO_DEFAULT_PATH)
-    # Again, with no directory restrictions
-    find_library (OPENEXR_${UPPERCOMPONENT}_LIBRARY ${FULL_COMPONENT_NAME})
-    # Try again without the version
-    set (FULL_COMPONENT_NAME ${OPENEXR_CUSTOM_LIB_PREFIX}${COMPONENT}${OPENEXR_CUSTOM_LIB_SUFFIX})
-    find_library (OPENEXR_${UPPERCOMPONENT}_LIBRARY ${FULL_COMPONENT_NAME}
-                  PATHS ${GENERIC_LIBRARY_PATHS} NO_DEFAULT_PATH)
-    # One more time, with no restrictions
-    find_library (OPENEXR_${UPPERCOMPONENT}_LIBRARY ${FULL_COMPONENT_NAME})
-endforeach ()
-#Half usually has no suffix
-find_library (OPENEXR_HALF_LIBRARY ${OPENEXR_CUSTOM_LIB_PREFIX}Half
-              PATHS ${GENERIC_LIBRARY_PATHS} NO_DEFAULT_PATH)
-find_library (OPENEXR_HALF_LIBRARY ${OPENEXR_CUSTOM_LIB_PREFIX}Half)
-
-# Set the FOUND, INCLUDE_DIR, and LIBRARIES variables.
-if (ILMBASE_INCLUDE_PATH AND OPENEXR_INCLUDE_PATH AND
-      OPENEXR_IMATH_LIBRARY AND OPENEXR_ILMIMF_LIBRARY AND
-      OPENEXR_IEX_LIBRARY AND OPENEXR_HALF_LIBRARY)
-    set (OPENEXR_FOUND TRUE)
-    set (ILMBASE_FOUND TRUE)
-    set (ILMBASE_INCLUDE_DIR ${ILMBASE_INCLUDE_PATH} CACHE STRING "The include paths needed to use IlmBase")
-    set (OPENEXR_INCLUDE_DIR ${OPENEXR_INCLUDE_PATH} CACHE STRING "The include paths needed to use OpenEXR")
-    set (ILMBASE_LIBRARIES ${OPENEXR_IMATH_LIBRARY} ${OPENEXR_IEX_LIBRARY} ${OPENEXR_HALF_LIBRARY} ${OPENEXR_ILMTHREAD_LIBRARY} ${ILMBASE_PTHREADS} CACHE STRING "The libraries needed to use IlmBase")
-    set (OPENEXR_LIBRARIES ${OPENEXR_ILMIMF_LIBRARY} ${ILMBASE_LIBRARIES} ${ZLIB_LIBRARIES} CACHE STRING "The libraries needed to use OpenEXR")
-endif ()
-
-find_package_handle_standard_args (OpenEXR
-    REQUIRED_VARS ILMBASE_INCLUDE_PATH OPENEXR_INCLUDE_PATH
-                  OPENEXR_IMATH_LIBRARY OPENEXR_ILMIMF_LIBRARY
-                  OPENEXR_IEX_LIBRARY OPENEXR_HALF_LIBRARY
-    VERSION_VAR   OPENEXR_VERSION
-    )
-
-MARK_AS_ADVANCED(
-    ILMBASE_INCLUDE_DIR
-    OPENEXR_INCLUDE_DIR
-    ILMBASE_LIBRARIES
-    OPENEXR_LIBRARIES
-    OPENEXR_ILMIMF_LIBRARY
-    OPENEXR_IMATH_LIBRARY
-    OPENEXR_IEX_LIBRARY
-    OPENEXR_HALF_LIBRARY
-    OPENEXR_VERSION)
-
-# Restore the original CMAKE_FIND_LIBRARY_SUFFIXES
-set (CMAKE_FIND_LIBRARY_SUFFIXES ${_openexr_orig_suffixes})
