1 files changed, 25 insertions, 1 deletions

diff --git a/configure.ac b/configure.ac
index a2b236355..18c7ca896 100644
--- a/configure.ac
+++ b/configure.ac
@@ -403,7 +403,31 @@ main() { if (NSVersionOfRunTimeLibrary("System") >= (60 << 16))
             [Use tunnel device compatibility to OpenBSD])
         AC_DEFINE(SSH_TUN_PREPEND_AF, 1,
             [Prepend the address family to IP tunnel traffic])
-        ;;
+        AC_MSG_CHECKING(if we have the Security Authorization Session API)
+        AC_TRY_COMPILE([#include <Security/AuthSession.h>],
+                [SessionCreate(0, 0);],
+                [ac_cv_use_security_session_api="yes"
+                 AC_DEFINE(USE_SECURITY_SESSION_API, 1, 
+                        [platform has the Security Authorization Session API])
+                 LIBS="$LIBS -framework Security"
+                 AC_MSG_RESULT(yes)],
+                [ac_cv_use_security_session_api="no"
+                 AC_MSG_RESULT(no)])
+        AC_MSG_CHECKING(if we have an in-memory credentials cache)
+        AC_TRY_COMPILE(
+                [#include <Kerberos/Kerberos.h>],
+                [cc_context_t c;
+                 (void) cc_initialize (&c, 0, NULL, NULL);],
+                [AC_DEFINE(USE_CCAPI, 1, 
+                        [platform uses an in-memory credentials cache])
+                 LIBS="$LIBS -framework Security"
+                 AC_MSG_RESULT(yes)
+                 if test "x$ac_cv_use_security_session_api" = "xno"; then
+                        AC_MSG_ERROR(*** Need a security framework to use the credentials cache API ***)
+                fi],
+                [AC_MSG_RESULT(no)]
+        )
+        ;;
 *-*-dragonfly*)
         SSHDLIBS="$SSHDLIBS -lcrypt"
         ;;