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update CMake to prioritize OpenEXR v3 over OpenEXR v2 #189

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Merged
michaeldsmith merged 1 commit into from
Sep 26, 2025
Merged

update CMake to prioritize OpenEXR v3 over OpenEXR v2 #189

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20 changes: 8 additions & 12 deletions CMakeLists.txt
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Original file line number Diff line number Diff line change
Expand Up @@ -59,19 +59,15 @@ else()
endif()

# find OpenEXR
find_package(IlmBase QUIET)
if(IlmBase_FOUND)
message(STATUS "Found IlmBase ${IlmBase_VERSION}")
find_package(OpenEXR 2 QUIET)
endif()

if(NOT OpenEXR_FOUND)
find_package(OpenEXR CONFIG 3 REQUIRED)
if(OpenEXR_FOUND)
set(OpenEXR_FOUND_WITH_CONFIG TRUE BOOL "found OpenEXR with Config")
endif()
find_package(OpenEXR 3 CONFIG QUIET)
if(OpenEXR_FOUND)
set(OpenEXR_FOUND_WITH_CONFIG TRUE BOOL "found OpenEXR with Config")
else()
message(STATUS "OpenEXR v3 not found, looking for IlmBase and OpenEXR v2")
find_package(IlmBase REQUIRED)
find_package(OpenEXR 2 REQUIRED)
endif()

if(OpenEXR_FOUND)
message(STATUS "Found OpenEXR ${OpenEXR_VERSION}")
set(USE_OPENEXR TRUE CACHE BOOL "Add OpenEXR support")
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