Experimental Physics and
Industrial Control System

> There seem to be a number of possibilities for Raspbian cross-building

Actually, there are few options for cross-compiling for Raspbian.  I'm specifically referring to the Debian derived distro.  Raspbian doesn't provide any "official" cross-compiler binaries.  Variations on the qemu-user approach are the only ones I would expect to produce guaranteed ABI compatible binaries.  There are docker/lxc approaches which might be more palatable than the manual chroot() recipe I linked.

If you aren't willing/able to use qemu-user, then I would advising using buildroot to replace the raspbian image entirely.

When evaluating a particular recipe.  Look for mentions of a specific Raspbian release name/version, or copying from a live Pi.  Anything else is likely to be a variation on crosstool-ng, and have the same ABI issues you've encountered.
-- 
https://code.launchpad.net/~dirk.zimoch/epics-base/+git/epics-base/+merge/367256
Your team EPICS Core Developers is requested to review the proposed merge of ~dirk.zimoch/epics-base:raspberryPi into epics-base:7.0.

References:

[Merge] ~dirk.zimoch/epics-base:raspberryPi into epics-base:7.0 Dirk Zimoch via Core-talk

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