# AUTH_GSASL_PC=libgsasl
# AUTH_HEIMDAL_GSSAPI=yes
# AUTH_HEIMDAL_GSSAPI_PC=heimdal-gssapi
+# AUTH_HEIMDAL_GSSAPI_PC=heimdal-gssapi heimdal-krb5
# AUTH_PLAINTEXT=yes
# AUTH_SPA=yes
# AUTH_TLS=yes
+# Heimdal through 1.5 required pkg-config 'heimdal-gssapi'; Heimdal 7.1
+# requires multiple pkg-config files to work with Exim, so the second example
+# above is needed.
#------------------------------------------------------------------------------
# If you specified AUTH_CYRUS_SASL above, you should ensure that you have the