openssl: improved to enable kerberos support if available

Note:

Despite the fact that openssl's "Configure" script seems to offer support
for MIT Kerberos and Heimdal only the MIT flavour is officially supported!

security/openssl/openssl.conf

@@ -2,7 +2,7 @@
 # This copyright note is auto-generated by ./scripts/Create-CopyPatch.
 #
 # Filename: package/.../openssl/openssl.conf
-# Copyright (C) 2007 - 2010 The OpenSDE Project
+# Copyright (C) 2007 - 2012 The OpenSDE Project
 # Copyright (C) 2004 - 2006 The T2 SDE Project
 # Copyright (C) 1998 - 2003 Clifford Wolf
 #
@@ -45,6 +45,13 @@ case "$arch_machine" in
 		*)        abort "Add arch-setting to openssl.conf!" ;;
 esac
 
+# kerberos support
+# Note: only MIT Kerberos is officially supported
+if pkginstalled -f krb5; then
+	var_append confopt ' ' "--with-krb5-flavor=MIT"
+	var_append confopt ' ' "--with-krb5-dir=$( pkgprefix -r krb5 )"
+fi
+
 openssl_premake() {
 	# well - "resolve" some conflicts ...
 	rm doc/apps/passwd.pod doc/crypto/buffer.pod doc/crypto/err.pod \