Tool/software: TI-RTOS
(I know this is not TI-RTOS related, but I can't find a suitable forum, and TI-RTOS feels closest to "TI software libraries". Feel free to move the post to a more appropriate place.)
The C64x FastRTS library comes with a COFF library and an EABI library. It also contains the header-only C_fastRTS library. However, the latter refers to COFF helper functions that no longer exist in EABI. In particular, the headers syntfi.h and ieeef.h refer to helper functions _absf, _fixfc, etc., but section 7.7 of spru187 (the optimizing c compiler manual) tells us that with EABI these functions have been renamed to carry a __c6xabi prefix.
I fixed those headers in a rather crude way (works for me), but it would be really nice if you could provide a proper fix instead.
Kind regards
Markus Moll