diff --git a/build/org.eclipse.cdt.make.core/src/org/eclipse/cdt/make/internal/core/scannerconfig/gnu/AbstractGCCBOPConsoleParser.java b/build/org.eclipse.cdt.make.core/src/org/eclipse/cdt/make/internal/core/scannerconfig/gnu/AbstractGCCBOPConsoleParser.java
index 568df26d63d..66b26d310b0 100644
--- a/build/org.eclipse.cdt.make.core/src/org/eclipse/cdt/make/internal/core/scannerconfig/gnu/AbstractGCCBOPConsoleParser.java
+++ b/build/org.eclipse.cdt.make.core/src/org/eclipse/cdt/make/internal/core/scannerconfig/gnu/AbstractGCCBOPConsoleParser.java
@@ -114,6 +114,7 @@ public abstract class AbstractGCCBOPConsoleParser implements IScannerInfoConsole
             bMultiline = false;
             sMultiline = ""; //$NON-NLS-1$
         }
+        line= line.trim();
         TraceUtil.outputTrace("AbstractGCCBOPConsoleParser parsing line: [", line, "]");    //$NON-NLS-1$ //$NON-NLS-2$
         // make\[[0-9]*\]:  error_desc
         int firstColon= line.indexOf(':');
@@ -135,7 +136,7 @@ public abstract class AbstractGCCBOPConsoleParser implements IScannerInfoConsole
             }
         }
         // call sublclass to process a single line
-        return processSingleLine(line);
+        return processSingleLine(line.trim());
     }
 
     private int getDirectoryLevel(String line) {
diff --git a/build/org.eclipse.cdt.make.core/src/org/eclipse/cdt/make/internal/core/scannerconfig/gnu/GCCPerFileSIPConsoleParser.java b/build/org.eclipse.cdt.make.core/src/org/eclipse/cdt/make/internal/core/scannerconfig/gnu/GCCPerFileSIPConsoleParser.java
index 0776d6b8c89..23953492dfb 100644
--- a/build/org.eclipse.cdt.make.core/src/org/eclipse/cdt/make/internal/core/scannerconfig/gnu/GCCPerFileSIPConsoleParser.java
+++ b/build/org.eclipse.cdt.make.core/src/org/eclipse/cdt/make/internal/core/scannerconfig/gnu/GCCPerFileSIPConsoleParser.java
@@ -60,6 +60,7 @@ public class GCCPerFileSIPConsoleParser implements IScannerInfoConsoleParser {
      */
     public boolean processLine(String line) {
         boolean rc = false;
+        line= line.trim();
         TraceUtil.outputTrace("GCCPerFileSIPConsoleParser parsing line: [", line, "]");  //$NON-NLS-1$//$NON-NLS-2$
 
         if (line.startsWith(COMMAND_ID_BEGIN)) {
diff --git a/build/org.eclipse.cdt.make.core/src/org/eclipse/cdt/make/internal/core/scannerconfig/gnu/GCCSpecsConsoleParser.java b/build/org.eclipse.cdt.make.core/src/org/eclipse/cdt/make/internal/core/scannerconfig/gnu/GCCSpecsConsoleParser.java
index 09d659d8743..33e4c28d448 100644
--- a/build/org.eclipse.cdt.make.core/src/org/eclipse/cdt/make/internal/core/scannerconfig/gnu/GCCSpecsConsoleParser.java
+++ b/build/org.eclipse.cdt.make.core/src/org/eclipse/cdt/make/internal/core/scannerconfig/gnu/GCCSpecsConsoleParser.java
@@ -54,6 +54,7 @@ public class GCCSpecsConsoleParser implements IScannerInfoConsoleParser {
 	 */
 	public boolean processLine(String line) {
 		boolean rc = false;
+		line= line.trim();
 		TraceUtil.outputTrace("GCCSpecsConsoleParser parsing line: [", line, "]");	//$NON-NLS-1$ //$NON-NLS-2$
 
 		// contribution of -dD option
@@ -69,7 +70,7 @@ public class GCCSpecsConsoleParser implements IScannerInfoConsoleParser {
 						symbol = defineParts[1] + "=" + defineParts[2]; //$NON-NLS-1$
 						break;
 				}
-				if (symbol != null && !symbols.contains(symbol)) { //$NON-NLS-1$
+				if (symbol != null && !symbols.contains(symbol)) { 
 					symbols.add(symbol);
 				}
 			}