pi@PiDP11:/opt/pidp11/systems/rsts101/rstsflx# make depend
gcc -MM rstsflx.c fip.c rtime.c filename.c doget.c dolist.c doalloc.c docomp.c dotype.c doput.c dodump.c dodelete.c dorename.c dorts.c doprot.c dodir.c doident.c doinit.c dohook.c scancmd.c doclean.c fileio.c diskio.c unxabsio.c > flx.dep
make: *** No rule to make target 'depend'.  Stop.
pi@PiDP11:/opt/pidp11/systems/rsts101/rstsflx# make
cc -c -O2 -g2   rstsflx.c
cc -c -O2 -g2   fip.c
cc -c -O2 -g2   rtime.c
rtime.c: In function ‘cvtdate’:
rtime.c:21:17: warning: ‘memcpy’ reading 12 bytes from a region of size 10 [-Wstringop-overread]
   21 |                 memcpy (buf, "  none   ", DATELEN);
      |                 ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
cc -c -O2 -g2   filename.c
cc -c -O2 -g2   doget.c
cc -c -O2 -g2   dolist.c
cc -c -O2 -g2   doalloc.c
cc -c -O2 -g2   docomp.c
cc -c -O2 -g2   dotype.c
cc -c -O2 -g2   doput.c
cc -c -O2 -g2   dodump.c
cc -c -O2 -g2   dodelete.c
cc -c -O2 -g2   dorename.c
cc -c -O2 -g2   dorts.c
cc -c -O2 -g2   doprot.c
cc -c -O2 -g2   dodir.c
cc -c -O2 -g2   doident.c
cc -c -O2 -g2   doinit.c
cc -c -O2 -g2   dohook.c
cc -c -O2 -g2   scancmd.c
scancmd.c: In function ‘initialize_readline’:
scancmd.c:484:9: warning: ‘CPPFunction’ is deprecated [-Wdeprecated-declarations]
  484 |         rl_attempted_completion_function = (CPPFunction *)flx_completion;
      |         ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
cc -c -O2 -g2   doclean.c
cc -c -O2 -g2   fileio.c
cc -c -O2 -g2   diskio.c
cc -c -o absio.o -O2 -g2   unxabsio.c
cc -g2 -o flx rstsflx.o fip.o rtime.o filename.o doget.o dolist.o doalloc.o docomp.o dotype.o doput.o dodump.o dodelete.o dorename.o dorts.o doprot.o dodir.o doident.o doinit.o dohook.o scancmd.o doclean.o fileio.o diskio.o absio.o  -lreadline -lncurses 
/usr/bin/ld: doclean.o:/opt/pidp11/systems/rsts101/rstsflx/doclean.c:73: multiple definition of `files'; dolist.o:/opt/pidp11/systems/rsts101/rstsflx/dolist.c:16: first defined here
/usr/bin/ld: doclean.o:/opt/pidp11/systems/rsts101/rstsflx/doclean.c:68: multiple definition of `curprog'; dolist.o:/opt/pidp11/systems/rsts101/rstsflx/dolist.c:17: first defined here
/usr/bin/ld: doclean.o:/opt/pidp11/systems/rsts101/rstsflx/doclean.c:68: multiple definition of `curproj'; dolist.o:/opt/pidp11/systems/rsts101/rstsflx/dolist.c:17: first defined here
collect2: error: ld returned 1 exit status
make: *** [Makefile:58: flx] Error 1