Set up a new build env and built AC-68U successfully but with the TM-AC1900 I get:
make[4]: Entering directory `/root/asuswrt-merlin/release/src/router/rc'
[rc] CC rc.o
rc.c: In function ‘rctest_main’:
rc.c:106:4: warning: implicit declaration of function ‘start_psta_monitor’
rc.c:107:4...