pncconf: overwrite gmoccapy_postgui.hal and add warning

Author: hansu

src/emc/usr_intf/pncconf/build_HAL.py

@@ -802,19 +802,27 @@ def writebackup(origname):
                     print("net tooloffset-z  <=  motion.tooloffset.z", file=file)
                     print(file=file)
                     gm = os.path.join(base, "gmoccapy_postgui.hal")
-                    if not os.path.exists(gm):
-                        f1 = open(gm, "w")
-                        print(_("#  ---manual tool change signals to gmoccapy's dialog---"), file=f1)
-                        print(file=f1)
-                        print("net tool-change-request    => gmoccapy.toolchange-change", file=f1)
-                        print("net tool-change-confirmed  <= gmoccapy.toolchange-changed", file=f1)
-                        print("net tool-number            => gmoccapy.toolchange-number", file=f1)
-                        print(file=f1)
-                        print(_("#  ---signals to show tool offset in the GUI---"), file=f1)
-                        print(file=f1)
-                        print("net tooloffset-x  => gmoccapy.tooloffset-x", file=f1)
-                        print("net tooloffset-z  => gmoccapy.tooloffset-z", file=f1)
-                        f1.close()
+                    f1 = open(gm, "w")
+                    print(_("# Generated by PNCconf at %s") % time.asctime(), file=f1)
+                    print(_("# Using LinuxCNC version:  %s") % self.d.linuxcnc_version, file=f1)
+                    print(_("# If you make changes to this file, they will be"), file=f1)
+                    print(_("# overwritten when you run PNCconf again"), file=f1)
+                    print(file=f1)
+                    print(_("#  ---manual tool change signals to gmoccapy's dialog---"), file=f1)
+                    print(file=f1)
+                    print("net tool-change-request    => gmoccapy.toolchange-change", file=f1)
+                    print("net tool-change-confirmed  <= gmoccapy.toolchange-changed", file=f1)
+                    print("net tool-number            => gmoccapy.toolchange-number", file=f1)
+                    print(file=f1)
+                    print(_("#  ---signals to show tool offset in the GUI---"), file=f1)
+                    print(file=f1)
+                    print("net tooloffset-x  => gmoccapy.tooloffset-x", file=f1)
+                    print("net tooloffset-z  => gmoccapy.tooloffset-z", file=f1)
+                    print(file=f1)
+                    print(_("#  ---spindle-at-speed indicator---"), file=f1)
+                    print(file=f1)
+                    print(_("net spindle-at-speed => gmoccapy.spindle_at_speed_led"), file=f1)
+                    f1.close()
                 elif self.d.frontend == _PD._QTDRAGON:
                     qt = os.path.join(base, "qtvcp_postgui.hal")
                     if not os.path.exists(qt):