[Samba] 4.7.4 build fails

[NoelB]

identical issues to trying to go from 4.6.11-> 4.6.12, 4.7.4 make fails
with 

3631/3915] Linking default/source4/librpc/python-dcerpc-smb-acl.so
[3632/3915] Linking default/source4/librpc/python-dcerpc-xattr.so
[3633/3915] Linking default/source3/smbtorture3
[3634/3915] Linking default/source4/librpc/python-auth.so
[3635/3915] Linking default/source4/auth/gensec/pygensec.so
[3636/3915] Linking default/source4/lib/registry/regtree
[3637/3915] Linking default/source4/librpc/python-dcerpc-dnsp.so
[3638/3915] Linking
default/source4/libcli/wbclient/libLIBWBCLIENT-OLD-samba4.so
[3639/3915] Linking default/source4/librpc/python-unixinfo.so
[3640/3915] Linking default/source4/librpc/python-echo.so
[3641/3915] Linking default/source3/utils/samba-regedit
[3642/3915] Linking default/source3/libsmb/libsmbclient.so
[3643/3915] Linking default/source3/utils/smbget
[3644/3915] Linking default/examples/libsmbclient/testacl
[3645/3915] Linking default/examples/libsmbclient/testctx
[3646/3915] Linking default/examples/libsmbclient/teststat2
[3647/3915] Linking default/examples/libsmbclient/teststatvfs
[3648/3915] Linking default/source3/pylibsmb.so
[3649/3915] Linking default/examples/libsmbclient/testwrite
[3650/3915] Linking default/examples/libsmbclient/testutime
[3651/3915] Linking default/examples/libsmbclient/teststat
[3652/3915] Linking default/examples/libsmbclient/teststat3
[3653/3915] Linking default/examples/libsmbclient/testsmbc
[3654/3915] Linking default/source4/lib/policy/py-policy.so
[3655/3915] Linking default/examples/libsmbclient/testbrowse
[3656/3915] Linking default/examples/libsmbclient/testtruncate
[3657/3915] Linking default/examples/libsmbclient/testbrowse2
[3658/3915] Linking default/examples/libsmbclient/testacl3
[3659/3915] Linking default/source3/libtrusts-util-samba4.so
[3660/3915] Linking default/examples/libsmbclient/testacl2
[3661/3915] Linking default/examples/libsmbclient/testfstatvfs
[3662/3915] Linking default/source4/auth/libauth-unix-token-samba4.so
[3663/3915] Linking default/examples/libsmbclient/testnotify
[3664/3915] Linking default/examples/libsmbclient/testchmod
[3665/3915] Linking default/examples/libsmbclient/testread
[3666/3915] Linking default/source4/auth/ntlm/libauth4-samba4.so
[3667/3915] Linking default/source3/libads-samba4.so
default/source3/libads/kerberos_keytab_63.o: In function
`ads_keytab_list':
kerberos_keytab.c:(.text+0x356): undefined reference to
`ads_keytab_open'
collect2: ld returned 1 exit status
Waf: Leaving directory `/tmp/samba-4.7.4/bin'
Build failed: -> task failed (err #1): 
{task: cc_link
ldap_63.o,sasl_63.o,sasl_wrapping_63.o,krb5_setpw_63.o,kerberos_util_63.o,ldap_user_63.o,ads_struct_63.o,kerberos_keytab_63.o,disp_sec_63.o,ldap_utils_63.o,ldap_schema_63.o,util_63.o,ndr_63.o,namequery_dc_104.o,trustdom_cache_104.o,dsgetdcname_104.o
-> libads-samba4.so}
make: *** [all] Error 1 

Our configure is: 

--enable-fhs --prefix=/usr --libdir=/usr/lib$ --includedir=/usr/include
--bindir=/usr/bin --sbindir=/usr/sbin --mandir=/usr/man
--sysconfdir=/etc --with-configdir=/etc/samba --with-piddir=/var/run
--with-privatedir=/var/lib/samba/private --with-privatelibdir=/usr/lib
--with-modulesdir=/usr/lib --with-lockdir=/var/cache/samba
--with-logfilebase=/var/log/samba --localstatedir=/var --enable-cups
--with-acl-support --with-automount --with-quotas --with-syslog
--with-utmp --with-winbind --without-ldap --without-ads --without-pam
--build=i586-slackware-linux 

Any suggestions would be greatfully appreciated :)