I have termcap but I get error

[gnusupport]

search.c:467:3: warning: ‘strncpy’ specified bound 80 equals destination size [-Wstringop-truncation]
  467 |   strncpy (&tpat[0], &pat[0], NPAT); /* salt it away */
      |   ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
cc -Wall -O2  -c tcap.c
cc -Wall -O2   -c -o termio.o termio.c
cc -Wall -O2   -c -o window.o window.c
cc -Wall -O2   -c -o complete.o complete.c
cc -Wall -O2 basic.o buffer.o bufmenu.o display.o file.o fileio.o line.o main.o random.o region.o strlcpy.c search.o tcap.o termio.o window.o complete.o -o pe -ltermcap
/usr/bin/ld: cannot find -ltermcap: No such file or directory
collect2: error: ld returned 1 exit status
make: *** [Makefile:33: all] Error 1
~/Programming/git/pEmacs
$ ls
basic.c   bufmenu.c   display.c  efunc.h    fileio.o  main.c	random.c   region.o   tcap.c	window.c
basic.o   bufmenu.o   display.o  estruct.h  file.o    main.o	random.o   search.c   tcap.o	window.o
buffer.c  complete.c  ebind.h	 file.c     line.c    Makefile	README.md  search.o   termio.c
buffer.o  complete.o  edef.h	 fileio.c   line.o    pe.1	region.c   strlcpy.c  termio.o
~/Programming/git/pEmacs
$ ls termio.  C-c C-c
~/Programming/git/pEmacs
$ grep termcap *.c
tcap.c:      puts ("Insufficient termcap! (needs cl & cm abilities)\n");
~/Programming/git/pEmacs
$ grep termcap *
Makefile:LFLAGS= -ltermcap
pe.1:.Ev Em TERMCAP , TERMPATH ,
pe.1:.Xr termcap 5
pe.1:.Xr termcap 5 .
pe.1:.It Em Insufficient termcap (needs cl & cm abilities)
README.md:    with a termcap/curses library. This release has been tested with
tcap.c:      puts ("Insufficient termcap! (needs cl & cm abilities)\n");
grep: tcap.o: binary file matches
~/Programming/git/pEmacs
$ locate termcap
/usr/include/termcap.h
/usr/share/man/man3/curs_termcap.3x.gz
~/Programming/git/pEmacs
$ 
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