The installation of tar.gz fails.

The installation of tar.gz fails-general Linux technology-Linux technology and application information. For more information, see the following. Decompress the package. However, this step is not correct. The following is the code. Take care of this. This is the decompressed code.
I am not sure where I sent my post for the first time.

Ryan @ ubuntu :~ $ Tar-xzvf/home/ryan/download/drcom-1.3.7.tar.gz
Ryan @ ubuntu :~ $ Tar-xzvf/home/ryan/download/drcom-1.3.7.tar.gz
Drcom-1.3.7/
Drcom-1.3.7/COPYING
Drcom-1.3.7/Makefile
Drcom-1.3.7/README
Drcom-1.3.7/README-old.
Drcom-1.3.7/THANKS
Drcom-1.3.7/doc/
Drcom-1.3.7/doc/acknowledgement
Drcom-1.3.7/doc/authentication
Drcom-1.3.7/doc/challenge
Drcom-1.3.7/doc/host
Drcom-1.3.7/doc/host_header
Drcom-1.3.7/doc/keepalive
Drcom-1.3.7/doc/login
Drcom-1.3.7/doc/logout
Drcom-1.3.7/doc/passwd
Drcom-1.3.7/doc/request
Drcom-1.3.7/doc/response
Drcom-1.3.7/doc/serv_header
Drcom-1.3.7/drcom. conf
Drcom-1.3.7/drcomc/
Drcom-1.3.7/drcomc/Makefile
Drcom-1.3.7/drcomc. c
Drcom-1.3.7/drcomd/
Drcom-1.3.7/drcomd/Makefile
Drcom-1.3.7/drcomd/cleanup. c
Drcom-1.3.7/drcomd/daemon. c
Drcom-1.3.7/drcomd/daemon. h
Drcom-1.3.7/drcomd/dialog. c
Drcom-1.3.7/drcomd. c
Drcom-1.3.7/drcomd/getaddr. c
Drcom-1.3.7/drcomd/handle. c
Drcom-1.3.7/drcomd/init. c
Drcom-1.3.7/drcomd/keepalive. c
Drcom-1.3.7/drcomd/log. c
Drcom-1.3.7/drcomd/log. h
Drcom-1.3.7/drcomd/login. c
Drcom-1.3.7/drcomd/logout. c
Drcom-1.3.7/drcomd/md5.c
Drcom-1.3.7/drcomd/misc. c
Drcom-1.3.7/drcomd/passwd. c
Drcom-1.3.7/drcomd/readconf. c
Drcom-1.3.7/drcomd/watchport. c
Drcom-1.3.7/include/
Drcom-1.3.7/include/client_daemon.h
Drcom-1.3.7/include/config. h
Drcom-1.3.7/include/drcom. h
Drcom-1.3.7/include/drcom_types.h
Drcom-1.3.7/include/md5.h
Drcom-1.3.7/include/private. h
Drcom-1.3.7/initscript
Drcom-1.3.7/kmod/
Drcom-1.3.7/kmod/Makefile
Drcom-1.3.7/kmod/drcom_linux.h
Drcom-1.3.7/kmod//
Drcom-1.3.7/kmod/cipher t/common. c
Drcom-1.3.7/kmod/effect/effect_macros.h
Drcom-1.3.7/kmod/cipher t/private. c
Drcom-1.3.7/kmod/init. c
Drcom-1.3.7/kmod/proc. c
Drcom-1.3.7/kmod/proto. c
Ryan @ ubuntu :~ $ Cd/drcom-1.3.7
Bash: cd:/drcom-1.3.7: No such file or directory
Ryan @ ubuntu :~ $ Drcom-1.3.7 cd
Ryan @ ubuntu :~ Drcom-1.3.7 $ configure
Configure: command not found
Ryan @ ubuntu :~ Drcom-1.3.7 $ make
Make-C drcomc
Make [1]: Entering directory '/home/ryan/drcom-1.3.7/drcomc'
Make [1]: Nothing to be done for 'all '.
Make [1]: Leaving directory '/home/ryan/drcom-1.3.7/drcomc'
Make-C drcomd
Make [1]: Entering directory '/home/ryan/drcom-1.3.7/drcomd'
Gcc-Wall-W-Wstrict-prototypes-Wmissing-prototypes-pedantic-I/home/ryan/drcom-1.3.7/include-O2-c-o readconf. o readconf. c
Readconf. c: In function '_ parseopt ':
Readconf. c: 369: 13: error: 'Long _ min' undeclared (first use in this function)
Readconf. c: 369: 13: note: each undeclared identifier is reported only once for each function it appears in
Readconf. c: 369: 30: error: 'Long _ MAX 'undeclared (first use in this function)
Make [1]: *** [readconf. o] Error 1
Make [1]: Leaving directory '/home/ryan/drcom-1.3.7/drcomd'
Make: *** [drcomd] Error 2
Ryan @ ubuntu :~ Drcom-1.3.7 $
What's going on here? Come on, Linux.