macOS drops DYLD_ variables through /bin/sh, so a Wine build cannot load its libraries

Symptoms

A Wine build from a wrapper (CrossOver, Sikarugir and others) fails at once with a dyld message that libinotify.0.dylib, or another library, is not loaded.

Cause

Such builds expect their wrapper to set DYLD_FALLBACK_LIBRARY_PATH. System Integrity Protection removes every DYLD_* variable when a protected program starts. /bin/sh and /bin/bash are protected. A variable exported before a script starts is therefore gone inside it.

What to do

Set the variable inside the script, on the line that starts Wine: DYLD_FALLBACK_LIBRARY_PATH="$ENGINE/lib:/usr/lib" "$ENGINE/bin/wine" GAME.EXE.