Add a --warnings-as-errors to cl65.

src/cl65/main.c

@@ -898,7 +898,8 @@ static void Usage (void)
             "  --version\t\t\tPrint the version number\n"
             "  --verbose\t\t\tVerbose mode\n"
             "  --zeropage-label name\t\tDefine and export a ZEROPAGE segment label\n"
-            "  --zeropage-name seg\t\tSet the name of the ZEROPAGE segment\n",
+            "  --zeropage-name seg\t\tSet the name of the ZEROPAGE segment\n"
+            "  --warnings-as-errors\t\tTreat warnings as errors\n",
             ProgName);
 }
 
@@ -1435,6 +1436,16 @@ static void OptZeropageName (const char* Opt attribute ((unused)), const char* A
 
 
 
+static void OptWarningsAsErrors (const char* Opt attribute ((unused)),
+                                 const char* Arg attribute ((unused)))
+/* Handle the --warnings-as-errors option */
+{
+    CmdAddArg (&CA65, "--warnings-as-errors");
+    CmdAddArg (&LD65, "--warnings-as-errors");
+}
+
+
+
 int main (int argc, char* argv [])
 /* Utility main program */
 {
@@ -1494,6 +1505,7 @@ int main (int argc, char* argv [])
         { "--version",             0, OptVersion            },
         { "--zeropage-label",      1, OptZeropageLabel      },
         { "--zeropage-name",       1, OptZeropageName       },
+        { "--warnings-as-errors",  0, OptWarningsAsErrors   },
     };
 
     char* CmdPath;

src/ld65/segments.c

@@ -642,13 +642,11 @@ void PrintDbgSegments (FILE* F)
             fprintf (F, ",oname=\"%s\",ooffs=%lu",
                      S->OutputName, S->OutputOffs);
         }
-        if (S->MemArea) {
+        if (S->MemArea && S->MemArea->BankExpr) {
-            if (S->MemArea->BankExpr) {
             if (IsConstExpr (S->MemArea->BankExpr)) {
                 fprintf (F, ",bank=%lu", GetExprVal (S->MemArea->BankExpr));
             }
         }
-        }
         fputc ('\n', F);
     }
 }

src/ld65/xex.c

@@ -120,6 +120,8 @@ void XexSetRunAd (XexDesc* D, Import *RunAd)
     D->RunAd = RunAd;
 }
 
+
+
 XexInitAd* XexSearchInitMem (XexDesc* D, MemoryArea *InitMem)
 {
     XexInitAd* I;
@@ -132,6 +134,7 @@ XexInitAd* XexSearchInitMem(XexDesc* D, MemoryArea *InitMem)
 }
 
 
+
 int XexAddInitAd (XexDesc* D, MemoryArea *InitMem, Import *InitAd)
 /* Sets and INITAD for the given memory area */
 {
@@ -149,6 +152,8 @@ int XexAddInitAd (XexDesc* D, MemoryArea *InitMem, Import *InitAd)
     return 0;
 }
 
+
+
 static unsigned XexWriteExpr (ExprNode* E, int Signed, unsigned Size,
                               unsigned long Offs attribute ((unused)),
                               void* Data)