About install ssh2.12 in Redhat6.0!

[George]

Hello all:     I want to install ssh-2.12 in Redhat6.0.And I can configure but can't make . Theses area error when run make.How to solve? Please help me! Thank you!     Making all in tests make[4]: Entering directory `/home/george/ssh-2.0.12/lib/sshproto/tests' make[4]: Nothing to be done for `all'. make[4]: Leaving directory `/home/george/ssh-2.0.12/lib/sshproto/tests' make[3]: Leaving directory `/home/george/ssh-2.0.12/lib/sshproto' Making all in sshsession make[3]: Entering directory `/home/george/ssh-2.0.12/lib/sshsession' gcc -DHAVE_CONFIG_H -I. -I. -I../.. -I../.. -I. -I. -I../.. -I../.. -I../sshutil -I./../sshutil  -g -Wall -c wtmp.c wtmp.c: In function `ssh_user_record_login': wtmp.c:384: warning: flag `0' used with type `s' wtmp.c:388: warning: flag `0' used with type `s' wtmp.c:413: structure has no member named `ut_syslen' wtmp.c:425: warning: implicit declaration of function `updwtmpx' wtmp.c:425: `WTMPX_FILE' undeclared (first use in this function) wtmp.c:425: (Each undeclared identifier is reported only once wtmp.c:425: for each function it appears in.) make[3]: *** [wtmp.o] Error 1 make[3]: Leaving directory `/home/george/ssh-2.0.12/lib/sshsession' make[2]: *** [all-recursive] Error 1 make[2]: Leaving directory `/home/george/ssh-2.0.12/lib' make[1]: *** [all-recursive] Error 1 make[1]: Leaving directory `/home/george/ssh-2.0.12' make: *** [all-recursive-am] Error 2 [root@mail ssh-2.0.12]#