__, glibc doesn't exist as a package
__osxpackage in conda-forge or elsewhere
Looking for: ['rasterio', 'python 3.7.6']and python again in the added specs, even though you didn't specify it... conda was doing it implicitly, and with mamba we do it explicitly. I know sometimes explicit is better than implicit, but I'm not sure if we should hide it.
libxeus.a) apparently also need to link with
Threadswhile those linking with xeus (
target_link_libraries(xeus-static PUBLIC Threads::Threads)