make failed, tail of make.log:

  CC       kerberos.o
  CC       kerberos5.o
  CC       misc.o
  CC       read_passwd.o
  CC       shishi.o
  AR       libtelnet.a
make[2]: Leaving directory '/tmp/inetutils-1.9.4.50-9410.IEBPgO/inetutils-1.9.4.50-9410/libtelnet'
Making all in libicmp
make[2]: Entering directory '/tmp/inetutils-1.9.4.50-9410.IEBPgO/inetutils-1.9.4.50-9410/libicmp'
  CC       icmp_echo.o
  CC       icmp_timestamp.o
  CC       icmp_address.o
  CC       icmp_cksum.o
  AR       libicmp.a
make[2]: Leaving directory '/tmp/inetutils-1.9.4.50-9410.IEBPgO/inetutils-1.9.4.50-9410/libicmp'
Making all in libls
make[2]: Entering directory '/tmp/inetutils-1.9.4.50-9410.IEBPgO/inetutils-1.9.4.50-9410/libls'
  CC       cmp.o
  CC       stat_flags.o
  CC       ls.o
  CC       print.o
  CC       util.o
  CC       fts.o
  AR       libls.a
make[2]: Leaving directory '/tmp/inetutils-1.9.4.50-9410.IEBPgO/inetutils-1.9.4.50-9410/libls'
Making all in src
make[2]: Entering directory '/tmp/inetutils-1.9.4.50-9410.IEBPgO/inetutils-1.9.4.50-9410/src'
  CC       hostname.o
  CCLD     hostname
  CC       dnsdomainname.o
  CCLD     dnsdomainname
  CC       logger.o
  CCLD     logger
  CC       rcp.o
rcp.c: In function 'toremote':
rcp.c:512:9: warning: implicit declaration of function 'rcmd'; did you mean 'bcmp'? [-Wimplicit-function-declaration]
   rem = rcmd (&host, port, pwd->pw_name,
         ^~~~
         bcmp
  CCLD     rcp
/usr/lib/gcc/x86_64-alpine-linux-musl/8.3.0/../../../../x86_64-alpine-linux-musl/bin/ld: rcp.o: in function `toremote':
/tmp/inetutils-1.9.4.50-9410.IEBPgO/inetutils-1.9.4.50-9410/src/rcp.c:512: undefined reference to `rcmd'
/usr/lib/gcc/x86_64-alpine-linux-musl/8.3.0/../../../../x86_64-alpine-linux-musl/bin/ld: rcp.o: in function `tolocal':
/tmp/inetutils-1.9.4.50-9410.IEBPgO/inetutils-1.9.4.50-9410/src/rcp.c:627: undefined reference to `rcmd'
collect2: error: ld returned 1 exit status
make[2]: *** [Makefile:1719: rcp] Error 1
make[2]: Leaving directory '/tmp/inetutils-1.9.4.50-9410.IEBPgO/inetutils-1.9.4.50-9410/src'
make[1]: *** [Makefile:1579: all-recursive] Error 1
make[1]: Leaving directory '/tmp/inetutils-1.9.4.50-9410.IEBPgO/inetutils-1.9.4.50-9410'
make: *** [Makefile:1516: all] Error 2