$as_echo "#define SSH_TUN_PREPEND_AF 1" >>confdefs.h
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking if we have the Security Authorization Session API" >&5
+$as_echo_n "checking if we have the Security Authorization Session API... " >&6; }
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+#include <Security/AuthSession.h>
+int
+main ()
+{
+SessionCreate(0, 0);
+ ;
+ return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+ ac_cv_use_security_session_api="yes"
+
+$as_echo "#define USE_SECURITY_SESSION_API 1" >>confdefs.h
+
+ LIBS="$LIBS -framework Security"
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+$as_echo "yes" >&6; }
+else
+ ac_cv_use_security_session_api="no"
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking if we have an in-memory credentials cache" >&5
+$as_echo_n "checking if we have an in-memory credentials cache... " >&6; }
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+#include <Kerberos/Kerberos.h>
+int
+main ()
+{
+cc_context_t c;
+ (void) cc_initialize (&c, 0, NULL, NULL);
+ ;
+ return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+
+$as_echo "#define USE_CCAPI 1" >>confdefs.h
+
+ LIBS="$LIBS -framework Security"
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+$as_echo "yes" >&6; }
+ if test "x$ac_cv_use_security_session_api" = "xno"; then
+ as_fn_error $? "*** Need a security framework to use the credentials cache API ***" "$LINENO" 5
+ fi
+else
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
ac_fn_c_check_decl "$LINENO" "AU_IPv4" "ac_cv_have_decl_AU_IPv4" "$ac_includes_default"
if test "x$ac_cv_have_decl_AU_IPv4" = xyes; then :