[ISSUE] rtl8822bu-dkms Does Not Build On Recent Kernels

[TrueTechie <TrueTechie@users.noreply.github.com>]

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New issue by TrueTechie on void-packages repository

https://github.com/void-linux/void-packages/issues/40234

Description:
### Is this a new report?

Yes

### System Info

Void 5.19.16_1 x86_64 GenuineIntel uptodate FFFFF

### Package(s) Affected

rtl8822bu-dkms-20201222_2

### Does a report exist for this bug with the project's home (upstream) and/or another distro?

_No response_

### Expected behaviour

The module builds on a kernel

### Actual behaviour

The build fails with the following in `/var/lib/dkms/88x2bu/20201222/build/make.log `:
```
DKMS make.log for 88x2bu-20201222 for kernel 5.19.16_1 (x86_64)
Sun Oct 30 02:22:31 PM EDT 2022
/bin/sh: 1: bc: not found
make ARCH="x86_64" CROSS_COMPILE="" -C /lib/modules/5.19.16_1/build M="/var/lib/dkms/88x2bu/20201222/build" modules
make[1]: Entering directory '/usr/src/kernel-headers-5.19.16_1'
/bin/sh: 1: bc: not found
  CC [M]  /var/lib/dkms/88x2bu/20201222/build/core/rtw_cmd.o
  CC [M]  /var/lib/dkms/88x2bu/20201222/build/core/rtw_security.o
  CC [M]  /var/lib/dkms/88x2bu/20201222/build/core/rtw_debug.o
  CC [M]  /var/lib/dkms/88x2bu/20201222/build/core/rtw_io.o
  CC [M]  /var/lib/dkms/88x2bu/20201222/build/core/rtw_ioctl_query.o
  CC [M]  /var/lib/dkms/88x2bu/20201222/build/core/rtw_ioctl_set.o
  CC [M]  /var/lib/dkms/88x2bu/20201222/build/core/rtw_ieee80211.o
  CC [M]  /var/lib/dkms/88x2bu/20201222/build/core/rtw_mlme.o
  CC [M]  /var/lib/dkms/88x2bu/20201222/build/core/rtw_mlme_ext.o
  CC [M]  /var/lib/dkms/88x2bu/20201222/build/core/rtw_mi.o
  CC [M]  /var/lib/dkms/88x2bu/20201222/build/core/rtw_wlan_util.o
  CC [M]  /var/lib/dkms/88x2bu/20201222/build/core/rtw_vht.o
  CC [M]  /var/lib/dkms/88x2bu/20201222/build/core/rtw_pwrctrl.o
/var/lib/dkms/88x2bu/20201222/build/core/rtw_mlme_ext.c: In function 'mgt_dispatcher':
/var/lib/dkms/88x2bu/20201222/build/core/rtw_mlme_ext.c:1828:17: warning: this statement may fall through [-Wimplicit-fallthrough=]
 1828 |    ptable->func = &OnAuthClient;
      |    ~~~~~~~~~~~~~^~~~~~~~~~~~~~~
/var/lib/dkms/88x2bu/20201222/build/core/rtw_mlme_ext.c:1831:2: note: here
 1831 |  case WIFI_ASSOCREQ:
      |  ^~~~
  CC [M]  /var/lib/dkms/88x2bu/20201222/build/core/rtw_rf.o
  CC [M]  /var/lib/dkms/88x2bu/20201222/build/core/rtw_recv.o
  CC [M]  /var/lib/dkms/88x2bu/20201222/build/core/rtw_sta_mgt.o
  CC [M]  /var/lib/dkms/88x2bu/20201222/build/core/rtw_ap.o
  CC [M]  /var/lib/dkms/88x2bu/20201222/build/core/mesh/rtw_mesh.o
  CC [M]  /var/lib/dkms/88x2bu/20201222/build/core/mesh/rtw_mesh_pathtbl.o
  CC [M]  /var/lib/dkms/88x2bu/20201222/build/core/mesh/rtw_mesh_hwmp.o
  CC [M]  /var/lib/dkms/88x2bu/20201222/build/core/rtw_xmit.o
  CC [M]  /var/lib/dkms/88x2bu/20201222/build/core/rtw_p2p.o
  CC [M]  /var/lib/dkms/88x2bu/20201222/build/core/rtw_rson.o
  CC [M]  /var/lib/dkms/88x2bu/20201222/build/core/rtw_tdls.o
  CC [M]  /var/lib/dkms/88x2bu/20201222/build/core/rtw_br_ext.o
  CC [M]  /var/lib/dkms/88x2bu/20201222/build/core/rtw_iol.o
  CC [M]  /var/lib/dkms/88x2bu/20201222/build/core/rtw_sreset.o
  CC [M]  /var/lib/dkms/88x2bu/20201222/build/core/rtw_btcoex_wifionly.o
/var/lib/dkms/88x2bu/20201222/build/core/rtw_br_ext.c:20:11: fatal error: net/ipx.h: No such file or directory
   20 |  #include <net/ipx.h>
      |           ^~~~~~~~~~~
compilation terminated.
make[2]: *** [scripts/Makefile.build:249: /var/lib/dkms/88x2bu/20201222/build/core/rtw_br_ext.o] Error 1
make[2]: *** Waiting for unfinished jobs....
make[1]: *** [Makefile:1846: /var/lib/dkms/88x2bu/20201222/build] Error 2
make[1]: Leaving directory '/usr/src/kernel-headers-5.19.16_1'
make: *** [Makefile:2013: modules] Error 2
```

### Steps to reproduce

1. Install `rtl8822bu-dkms` from the repos
2. Attempt to build module via DKMS (`xbps` trigger or otherwise)