diff --git a/build/org.eclipse.cdt.managedbuilder.core/src/org/eclipse/cdt/managedbuilder/core/ExternalBuildRunner.java b/build/org.eclipse.cdt.managedbuilder.core/src/org/eclipse/cdt/managedbuilder/core/ExternalBuildRunner.java
index 0da61536ecb..db2cfc76dc9 100644
--- a/build/org.eclipse.cdt.managedbuilder.core/src/org/eclipse/cdt/managedbuilder/core/ExternalBuildRunner.java
+++ b/build/org.eclipse.cdt.managedbuilder.core/src/org/eclipse/cdt/managedbuilder/core/ExternalBuildRunner.java
@@ -70,6 +70,7 @@ public class ExternalBuildRunner implements IBuildRunner {
 	private static final String CONSOLE_HEADER = "ManagedMakeBuilder.message.console.header";	//$NON-NLS-1$
 	private static final String WARNING_UNSUPPORTED_CONFIGURATION = "ManagedMakeBuilder.warning.unsupported.configuration";	//$NON-NLS-1$
 	private static final String NEWLINE = System.getProperty("line.separator", "\n"); //$NON-NLS-1$ //$NON-NLS-2$
+	private static final String PATH = "PATH"; //$NON-NLS-1$
 
 	public boolean invokeBuild(int kind, IProject project, IConfiguration configuration,
 			IBuilder builder, IConsole console, IMarkerGenerator markerGenerator,
@@ -204,7 +205,10 @@ public class ExternalBuildRunner implements IBuildRunner {
 						errMsg = ManagedMakeMessages.getFormattedString("ManagedMakeBuilder.message.program.not.in.path", buildCommandStr); //$NON-NLS-1$
 						buf.append(errorPrefix).append(errMsg).append(NEWLINE);
 						buf.append(NEWLINE);
-						buf.append("PATH=["+envMap.get("PATH")+"]").append(NEWLINE); //$NON-NLS-1$//$NON-NLS-2$//$NON-NLS-3$
+						String envPath = envMap.get(PATH);
+						if (envPath==null)
+							envPath = System.getenv(PATH);
+						buf.append(PATH+"=["+envPath+"]").append(NEWLINE); //$NON-NLS-1$//$NON-NLS-2$
 					} else {
 						buf.append(errorPrefix).append(errMsg).append(NEWLINE);
 					}
diff --git a/core/org.eclipse.cdt.core/plugin.xml b/core/org.eclipse.cdt.core/plugin.xml
index 46ab3dccdca..90137b5fe92 100644
--- a/core/org.eclipse.cdt.core/plugin.xml
+++ b/core/org.eclipse.cdt.core/plugin.xml
@@ -268,11 +268,12 @@
          <pattern description-expr="make: $3" eat-processed-line="true" file-expr="$1" line-expr="$2" regex="(.*):(\d*): (\*\*\* .*)" severity="Error"/>
          <pattern description-expr="$0" eat-processed-line="true" file-expr="" line-expr="" regex=".*make.*: \*\*\* .*" severity="Error"/>
          <pattern description-expr="$0" eat-processed-line="true" file-expr="" line-expr="" regex=".*make.*: Target (.*) not remade because of errors." severity="Error"/>
+         <pattern description-expr="$0" eat-processed-line="true" file-expr="" line-expr="" regex="(.*command not found.*)" severity="Error"/>
+         <pattern description-expr="$0" eat-processed-line="true" file-expr="" line-expr="" regex="Error:\s*(.*)" severity="Error"/>
          <pattern description-expr="make: $3" eat-processed-line="true" file-expr="$1" line-expr="$2" regex="(.*[Mm]akefile):(\d*): warning: (.*)" severity="Warning"/>
          <pattern description-expr="$0" eat-processed-line="true" file-expr="" line-expr="" regex=".*make.*\[.*\] Error [-]{0,1}\d*.*" severity="Warning"/>
          <pattern description-expr="make: $3" eat-processed-line="true" file-expr="$1" line-expr="$2" regex="(.*):(\d*): (\S*: No such file or directory)" severity="Warning"/>
          <pattern description-expr="$0" eat-processed-line="true" file-expr="" line-expr="" regex=".*make.*: Circular .* dependency dropped." severity="Warning"/>
-         <pattern description-expr="$0" eat-processed-line="true" file-expr="" line-expr="" regex="Error:\s*(.*)" severity="Error"/>
       </errorparser>
    </extension>
    <extension