AcademySoftwareFoundation
Update OpenImageIO recommended version to 3.x
When building OpenColorIO with OCIO_USE_OIIO_FOR_APPS=ON and relying on the system OpenImageIO, the current build scripts will not pick OIIO version 3 even though the minimum and recommended versions are 2.2 and 2.4. I believe this is due to the major version bump and CMake not matching versions across major increments in this case for compatibility reasons. As part of OpenColorIO 2.5 dependencies version overhaul I'm proposing to update the recommended version to 3.x.
OCIO may not currently build with OIIO 3.0. As provided by Remi on Slack, the workaround is to modify this file: https://github.com/AcademySoftwareFoundation/OpenColorIO/blob/main/share/cmake/modules/FindExtPackages.cmake#L194
Change this: set(OIIO_RECOMMENDED_VERSION "2.4") to this: set(OIIO_RECOMMENDED_VERSION "3.0")
