'fatal error: IL/OMX_Broadcom.h: No such file or directory' when installing mupen64plus

[ginkage]

Initial setup: Pi Zero 2 W , official image of Bullseye.
Running retropie_setup.sh -> Basic Install.
Output:

make: Entering directory '/home/pi/RetroPie-Setup/tmp/build/mupen64plus/mupen64plus-audio-omx/projects/unix'
Makefile:113: Architecture "armv7l" not officially supported.'
    CC  _obj/main.o
../../src/main.c:32:10: fatal error: IL/OMX_Broadcom.h: No such file or directory
   32 | #include "IL/OMX_Broadcom.h"
      |          ^~~~~~~~~~~~~~~~~~~
compilation terminated.
make: *** [Makefile:350: _obj/main.o] Error 1

[BuZz]

@ginkage bullseye isn't supported yet.

You can use our weekly buster based image for the zero 2. Use the rpi2/3 image. https://files.retropie.org.uk/images/weekly/