Thus said Guy Harris on Wed, 18 Apr 2018 21:17:03 -0700
What does
egrep KERB config.h
$ egrep KERB config.h
/* #undef HAVE_HEIMDAL_KERBEROS */
#define HAVE_KERBEROS 1
#define HAVE_MIT_KERBEROS 1
$ pkg-config --list-all | egrep heimda$
$ apt list --installed | egrep heimdal
libasn1-8-heimdal/xenial-updates,xenial-security,now
1.7~git20150920+dfsg-4ubuntu1.16.04.1 amd64 [installed,automatic]
libgssapi3-heimdal/xenial-updates,xenial-security,now
1.7~git20150920+dfsg-4ubuntu1.16.04.1 amd64 [installed,automatic]
libhcrypto4-heimdal/xenial-updates,xenial-security,now
1.7~git20150920+dfsg-4ubuntu1.16.04.1 amd64 [installed,automatic]
libheimbase1-heimdal/xenial-updates,xenial-security,now
1.7~git20150920+dfsg-4ubuntu1.16.04.1 amd64 [installed,automatic]
libheimntlm0-heimdal/xenial-updates,xenial-security,now
1.7~git20150920+dfsg-4ubuntu1.16.04.1 amd64 [installed,automatic]
libhx509-5-heimdal/xenial-updates,xenial-security,now
1.7~git20150920+dfsg-4ubuntu1.16.04.1 amd64 [installed,automatic]
libkrb5-26-heimdal/xenial-updates,xenial-security,now
1.7~git20150920+dfsg-4ubuntu1.16.04.1 amd64 [installed,automatic]
libroken18-heimdal/xenial-updates,xenial-security,now
1.7~git20150920+dfsg-4ubuntu1.16.04.1 amd64 [installed,automatic]
libwind0-heimdal/xenial-updates,xenial-security,now
1.7~git20150920+dfsg-4ubuntu1.16.04.1 amd64 [installed,automatic]