make[2]: warning: -j8 forced in submake: resetting jobserver mode.
make[2]: warning: -j8 forced in submake: resetting jobserver mode.
vbox_fb.c: In function ‘vboxfb_create’:
vbox_fb.c:336:16: error: implicit declaration of function ‘drm_fb_helper_alloc_info’; did you mean ‘drm_fb_helper_fill_info’? [-Wimplicit-function-declaration]
  336 |         info = drm_fb_helper_alloc_info(helper);
      |                ^~~~~~~~~~~~~~~~~~~~~~~~
      |                drm_fb_helper_fill_info
vbox_fb.c:336:14: error: assignment to ‘struct fb_info *’ from ‘int’ makes pointer from integer without a cast [-Wint-conversion]
  336 |         info = drm_fb_helper_alloc_info(helper);
      |              ^
make[5]: *** [/usr/src/linux-headers-6.18.50/scripts/Makefile.build:287: vbox_fb.o] Error 1
make[5]: *** Waiting for unfinished jobs....
make[4]: *** [/usr/src/linux-headers-6.18.50/Makefile:2050: .] Error 2
make[3]: *** [/usr/src/linux-headers-6.18.50/Makefile:248: __sub-make] Error 2
make[2]: *** [Makefile:248: __sub-make] Error 2
make[1]: *** [/var/pisi/module-virtualbox-guest-7.2.18-165/work/module-virtualbox-guest-7.2.18/vboxvideo/Makefile-footer.gmk:146: vboxvideo] Error 2
make: *** [Makefile:75: vboxvideo] Error 1
make: *** Waiting for unfinished jobs....
Traceback (most recent call last):
  File "/var/pisi/module-virtualbox-guest/actions.py", line 13, in build
    autotools.make("KERN_DIR=/lib/modules/%s/build" % KDIR)
  File "/usr/lib/pisilinux/pisi/actionsapi/autotools.py", line 103, in make
    if system('make %s %s' % (get.makeJOBS(), parameters)):
  File "/usr/lib/pisilinux/pisi/actionsapi/shelltools.py", line 255, in system
    error(_("Command \"%s\" failed, return value was %d.") % (command, retValue))
  File "/usr/lib/pisilinux/pisi/actionsapi/__init__.py", line 27, in error
    raise Error(msg)
pisi.actionsapi.Error: Command "make -j5 KERN_DIR=/lib/modules/6.18.50/build" failed, return value was 2.
Action script error caught.
*** 1 error(s), 0 warning(s)
Program terminated.