From 4895adbaa78268bcb17ced6d89872d54b479c025 Mon Sep 17 00:00:00 2001
From: Wolfgang Thaller <wolfgang.thaller@gmx.net>
Date: Fri, 25 Jan 2019 20:56:29 +0100
Subject: [PATCH] LaunchAPPLServer: compatibility fix for older Universal
 Interfaces (fixes #77)

---
 LaunchAPPL/Server/LaunchAPPLServer.cc | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/LaunchAPPL/Server/LaunchAPPLServer.cc b/LaunchAPPL/Server/LaunchAPPLServer.cc
index 4be90db334..dd1d3c901f 100644
--- a/LaunchAPPL/Server/LaunchAPPLServer.cc
+++ b/LaunchAPPL/Server/LaunchAPPLServer.cc
@@ -689,10 +689,13 @@ int main()
             portsAvailable[(int)Port::macTCP] = true;
         if(Gestalt(gestaltSerialAttr, &resp) == noErr)
         {
+            // gestaltPortADisabled and gestaltPortBDisabled are "recent" additions
+            // (Universal Interfaces 3.4 only). Use the literal constants for compatibility
+            // in case people are using older interfaces.
             portsAvailable[(int)Port::modemPort] = 
-                (resp & ((1 << gestaltHidePortA) | (1<< gestaltPortADisabled))) == 0;
+                (resp & ((1 << gestaltHidePortA) | (1<< 5/*gestaltPortADisabled*/))) == 0;
             portsAvailable[(int)Port::printerPort] = 
-                (resp & ((1 << gestaltHidePortB) | (1<< gestaltPortBDisabled))) == 0;
+                (resp & ((1 << gestaltHidePortB) | (1<< 6/*gestaltPortBDisabled*/))) == 0;
         }
     }
 #endif