image_io_exr.cpp:62:30: error: ‘Imf::Int64’ has not been declared

[yjcaimeow]

[0xfaded]

The root cause of this is Imath being split out of OpenEXR, a change that is currently propagating through the various distributions.

If you don't need OpenEXR (most likely), just disable it.

cmake -DBUILD_PANGOLIN_LIBOPENEXR=OFF ..