+2021-06-21 Mike Frysinger <vapier@gentoo.org>
+
+ * README-HACKING: Change SIM_AC_OPTION_HARDWARE to
+ SIM_EXTRA_HW_DEVICES.
+ * m4/sim_ac_option_hardware.m4: Remove first argument, and change
+ configure option to a boolean. Delete device list.
+ * m4/sim_ac_output.m4: Delete sim_hw variables.
+
2021-06-20 Mike Frysinger <vapier@gentoo.org>
* README-HACKING (SIM_AC_COMMON): Delete mention.