https://github.com/voidlinux/xbps-packages/issues/412

--- a/Makefile
+++ b/Makefile
@@ -145,6 +145,8 @@ ifeq "$(GE_49)" "1"
 EXTRA_CFLAGS       += -Wno-date-time
 endif
 
+EXTRA_CFLAGS       += -Wno-date-time
+
 EXTRA_LDFLAGS      := $(src)/lib/wlc_hybrid.o_shipped
 
 KBASE              ?= /lib/modules/`uname -r`
