prusa-slicer-openexr3.patch

diff --unified --recursive --text package.orig/cmake/modules/FindOpenVDB.cmake package.new/cmake/modules/FindOpenVDB.cmake
--- package.orig/cmake/modules/FindOpenVDB.cmake	2021-08-06 17:45:11.124209585 +0200
+++ package.new/cmake/modules/FindOpenVDB.cmake	2021-08-06 17:47:33.540203622 +0200
@@ -260,7 +260,7 @@
     endif ()
 
     list(FIND CMAKE_CONFIGURATION_TYPES "Debug" _has_debug)
-    
+
     if(OpenVDB_${COMPONENT}_LIBRARY_RELEASE AND (NOT MSVC OR _has_debug LESS 0 OR OpenVDB_${COMPONENT}_LIBRARY_DEBUG))
       set(OpenVDB_${COMPONENT}_FOUND TRUE)
     else()
@@ -347,28 +347,10 @@
   return()
 endmacro()
 
-find_package(IlmBase QUIET)
-if(NOT IlmBase_FOUND)
-  pkg_check_modules(IlmBase QUIET IlmBase)
-endif()
-if (IlmBase_FOUND AND NOT TARGET IlmBase::Half)
-  message(STATUS "Falling back to IlmBase found by pkg-config...")
-
-  find_library(IlmHalf_LIBRARY NAMES Half)
-  if(IlmHalf_LIBRARY-NOTFOUND OR NOT IlmBase_INCLUDE_DIRS)
-    just_fail("IlmBase::Half can not be found!")
-  endif()
-  
-  add_library(IlmBase::Half UNKNOWN IMPORTED)
-  set_target_properties(IlmBase::Half PROPERTIES
-    IMPORTED_LOCATION "${IlmHalf_LIBRARY}"
-    INTERFACE_INCLUDE_DIRECTORIES "${IlmBase_INCLUDE_DIRS}")
-elseif(NOT IlmBase_FOUND)
-  just_fail("IlmBase::Half can not be found!")
-endif()
 find_package(TBB ${_quiet} ${_required} COMPONENTS tbb)
 find_package(ZLIB ${_quiet} ${_required})
 find_package(Boost ${_quiet} ${_required} COMPONENTS iostreams system )
+find_package(Imath CONFIG)
 
 # Use GetPrerequisites to see which libraries this OpenVDB lib has linked to
 # which we can query for optional deps. This basically runs ldd/otoll/objdump
@@ -419,7 +401,7 @@
     set(OpenVDB_USES_LOG4CPLUS ON)
   endif()
 
-  string(FIND ${PREREQUISITE} "IlmImf" _HAS_DEP)
+  string(FIND ${PREREQUISITE} "OpenEXR" _HAS_DEP)
   if(NOT ${_HAS_DEP} EQUAL -1)
     set(OpenVDB_USES_ILM ON)
   endif()
@@ -430,14 +412,14 @@
 
 if(OpenVDB_USES_BLOSC)
   find_package(Blosc QUIET)
-  if(NOT Blosc_FOUND OR NOT TARGET Blosc::blosc) 
+  if(NOT Blosc_FOUND OR NOT TARGET Blosc::blosc)
     message(STATUS "find_package could not find Blosc. Using fallback blosc search...")
     find_path(Blosc_INCLUDE_DIR blosc.h)
     find_library(Blosc_LIBRARY NAMES blosc)
     if (Blosc_INCLUDE_DIR AND Blosc_LIBRARY)
       set(Blosc_FOUND TRUE)
       add_library(Blosc::blosc UNKNOWN IMPORTED)
-      set_target_properties(Blosc::blosc PROPERTIES 
+      set_target_properties(Blosc::blosc PROPERTIES
         IMPORTED_LOCATION "${Blosc_LIBRARY}"
         INTERFACE_INCLUDE_DIRECTORIES ${Blosc_INCLUDE_DIR})
     elseif()
@@ -450,10 +432,6 @@
   find_package(Log4cplus ${_quiet} ${_required})
 endif()
 
-if(OpenVDB_USES_ILM)
-  find_package(IlmBase ${_quiet} ${_required})
-endif()
-
 if(OpenVDB_USES_EXR)
   find_package(OpenEXR ${_quiet} ${_required})
 endif()
@@ -471,7 +449,7 @@
 set(_OPENVDB_VISIBLE_DEPENDENCIES
   Boost::iostreams
   Boost::system
-  IlmBase::Half
+  Imath::Imath
 )
 
 set(_OPENVDB_DEFINITIONS)
@@ -481,10 +459,7 @@
 
 if(OpenVDB_USES_EXR)
   list(APPEND _OPENVDB_VISIBLE_DEPENDENCIES
-    IlmBase::IlmThread
-    IlmBase::Iex
-    IlmBase::Imath
-    OpenEXR::IlmImf
+    OpenEXR::OpenEXR
   )
   list(APPEND _OPENVDB_DEFINITIONS "-DOPENVDB_TOOLS_RAYTRACER_USE_EXR")
 endif()
@@ -560,14 +535,14 @@
    )
 
    if (_is_multi)
-     set_target_properties(OpenVDB::${COMPONENT} PROPERTIES 
+     set_target_properties(OpenVDB::${COMPONENT} PROPERTIES
        IMPORTED_LOCATION_RELEASE "${OpenVDB_${COMPONENT}_LIBRARY_RELEASE}"
      )
 
      if (MSVC OR OpenVDB_${COMPONENT}_LIBRARY_DEBUG)
-      set_target_properties(OpenVDB::${COMPONENT} PROPERTIES 
+      set_target_properties(OpenVDB::${COMPONENT} PROPERTIES
         IMPORTED_LOCATION_DEBUG "${OpenVDB_${COMPONENT}_LIBRARY_DEBUG}"
-      ) 
+      )
      endif ()
    endif ()