also readanysf~ uses the deprecated flext-macro FLEXT_NOGLOBALNEW instead of FLEXT_USE_CMEM (being no flext man i don't really know whether the latter is a replacement for the former - though the errors thrown by flext suggest this)
yes, it is a replacement, although with a slightly different meaning. By using FLEXT_USE_CMEM the PD getbytes and freebytes functions are not used with flext memory allocation. The C/C++ standard library routines are used instead.
greetings, Thomas