Eeschema ERC now catches errors of unmatched global labels.

eeschema/class_drc_erc_item.cpp

@@ -52,6 +52,8 @@ wxString DRC_ITEM::GetErrorText() const
         return wxString( _("Mismatch between hierarchical labels and pins sheets"));
     case ERCE_NOCONNECT_CONNECTED:
         return wxString( _("A no connect symbol is connected to more than 1 pin"));
+    case ERCE_GLOBLABEL:
+        return wxString( _("Global label not connected to any other global label") );
 
     default:
         return wxString( wxT("Unkown.") );

eeschema/class_netlist_object.cpp

@@ -228,6 +228,11 @@ bool NETLIST_OBJECT::IsLabelConnected( NETLIST_OBJECT* aNetItem )
             return true; //connected!
         }
     }
+    else if( ( at == NET_GLOBLABEL ) && ( bt == NET_GLOBLABEL ) )
+    {
+        if( m_Label == aNetItem->m_Label )
+            return true; //connected!
+    }
 
     return false; //these two are unconnected
 }

eeschema/dialogs/dialog_erc.cpp

@@ -499,7 +499,6 @@ void DIALOG_ERC::TestErc( wxArrayString* aMessagesList )
         case NET_LABEL:
         case NET_BUSLABELMEMBER:
         case NET_PINLABEL:
-        case NET_GLOBLABEL:
         case NET_GLOBBUSLABELMEMBER:
             break;
 
@@ -507,6 +506,7 @@ void DIALOG_ERC::TestErc( wxArrayString* aMessagesList )
         case NET_HIERBUSLABELMEMBER:
         case NET_SHEETLABEL:
         case NET_SHEETBUSLABELMEMBER:
+        case NET_GLOBLABEL:
 
             // ERC problems when pin sheets do not match hierarchical labels.
             // Each pin sheet must match a hierarchical label

eeschema/erc.cpp

@@ -251,18 +251,30 @@ void Diagnose( NETLIST_OBJECT* aNetItemRef, NETLIST_OBJECT* aNetItemTst,
         {
             msg.Printf( _( "Hierarchical label %s is not connected to a sheet label." ),
                         GetChars( aNetItemRef->m_Label ) );
+            marker->SetData( ERCE_HIERACHICAL_LABEL,
+                             aNetItemRef->m_Start,
+                             msg,
+                             aNetItemRef->m_Start );
+        }
+        else if( (aNetItemRef->m_Type == NET_GLOBLABEL) )
+        {
+            msg.Printf( _( "Global label %s is not connected to any other global label." ),
+                        GetChars( aNetItemRef->m_Label ) );
+            marker->SetData( ERCE_GLOBLABEL,
+                             aNetItemRef->m_Start,
+                             msg,
+                             aNetItemRef->m_Start );
         }
         else
         {
             msg.Printf( _( "Sheet label %s is not connected to a hierarchical label." ),
                         GetChars( aNetItemRef->m_Label ) );
+            marker->SetData( ERCE_HIERACHICAL_LABEL,
+                             aNetItemRef->m_Start,
+                             msg,
+                             aNetItemRef->m_Start );
         }
 
-
-        marker->SetData( ERCE_HIERACHICAL_LABEL,
-                         aNetItemRef->m_Start,
-                         msg,
-                         aNetItemRef->m_Start );
         return;
     }
 

eeschema/erc.h

@@ -1,9 +1,9 @@
 /*
  * This program source code file is part of KiCad, a free EDA CAD application.
  *
- * Copyright (C) 2009 Jean-Pierre Charras, jaen-pierre.charras@gipsa-lab.inpg.com
+ * Copyright (C) 2009 Jean-Pierre Charras, jp.charras at wanadoo.fr
  * Copyright (C) 2011 Wayne Stambaugh <stambaughw@verizon.net>
- * Copyright (C) 2009-2011 KiCad Developers, see change_log.txt for contributors.
+ * Copyright (C) 2009-2015 KiCad Developers, see change_log.txt for contributors.
  *
  * This program is free software; you can redistribute it and/or
  * modify it under the terms of the GNU General Public License
@@ -57,6 +57,7 @@ extern const wxString CommentERC_V[];
 #define ERCE_PIN_TO_PIN_ERROR     5    // pin connected to an other pin: error level
 #define ERCE_HIERACHICAL_LABEL    6    // mismatch between hierarchical labels and pins sheets
 #define ERCE_NOCONNECT_CONNECTED  7    // a no connect symbol is connected to more than 1 pin
+#define ERCE_GLOBLABEL            8    // global label not connected to any other global label
 
 /* Minimal connection table */
 #define NPI    4  // Net with Pin isolated, this pin has type Not Connected and must be left N.C.