diff --git a/build/org.eclipse.cdt.make.core/src/org/eclipse/cdt/make/internal/core/scannerconfig2/GCCSpecsRunSIProvider.java b/build/org.eclipse.cdt.make.core/src/org/eclipse/cdt/make/internal/core/scannerconfig2/GCCSpecsRunSIProvider.java
index bd15498025e..e7257b47901 100644
--- a/build/org.eclipse.cdt.make.core/src/org/eclipse/cdt/make/internal/core/scannerconfig2/GCCSpecsRunSIProvider.java
+++ b/build/org.eclipse.cdt.make.core/src/org/eclipse/cdt/make/internal/core/scannerconfig2/GCCSpecsRunSIProvider.java
@@ -1,94 +1,110 @@
-/*******************************************************************************
- * Copyright (c) 2004, 2010 IBM Corporation and others.
- * All rights reserved. This program and the accompanying materials
- * are made available under the terms of the Eclipse Public License v1.0
- * which accompanies this distribution, and is available at
- * http://www.eclipse.org/legal/epl-v10.html
- *
- * Contributors:
- * IBM - Initial API and implementation
- *******************************************************************************/
-package org.eclipse.cdt.make.internal.core.scannerconfig2;
-
-import java.util.List;
-
-import org.eclipse.cdt.core.CCProjectNature;
-import org.eclipse.cdt.core.CProjectNature;
-import org.eclipse.cdt.make.core.MakeCorePlugin;
-import org.eclipse.cdt.make.core.scannerconfig.ScannerInfoTypes;
-import org.eclipse.cdt.make.internal.core.scannerconfig.gnu.GCCScannerConfigUtil;
-import org.eclipse.core.resources.IProject;
-import org.eclipse.core.runtime.CoreException;
-
-/**
- * Runs a command to retrieve compiler intrinsic scanner info from 'specs' file.
- * 
- * @author vhirsl
- */
-public class GCCSpecsRunSIProvider extends DefaultRunSIProvider {
-
-    /* (non-Javadoc)
-     * @see org.eclipse.cdt.make.internal.core.scannerconfig2.DefaultRunSIProvider#initialize()
-     */
-    @Override
-	protected boolean initialize() {
-        boolean rc = super.initialize();
-        
-        if (rc) {
-            String targetFile = "dummy";    //$NON-NLS-1$
-            IProject project = resource.getProject();
-            try {
-                if (project.hasNature(CCProjectNature.CC_NATURE_ID)) {
-                    targetFile = GCCScannerConfigUtil.CPP_SPECS_FILE;
-                }
-                else if (project.hasNature(CProjectNature.C_NATURE_ID)) {
-                    targetFile = GCCScannerConfigUtil.C_SPECS_FILE;
-                }
-                // replace string variables in compile arguments
-                // TODO Vmir - use string variable replacement
-                for (int i = 0; i < fCompileArguments.length; ++i) {
-                    fCompileArguments[i] = fCompileArguments[i].replaceAll("\\$\\{plugin_state_location\\}",    //$NON-NLS-1$ 
-                            MakeCorePlugin.getWorkingDirectory().toString());
-                    fCompileArguments[i] = fCompileArguments[i].replaceAll("\\$\\{specs_file\\}", targetFile);  //$NON-NLS-1$
-                }
-            } catch (CoreException e) {
-                //TODO VMIR better error handling
-                MakeCorePlugin.log(e.getStatus());
-                rc = false;
-            }
-        }
-        return rc;
-    }
-
-    /* (non-Javadoc)
-     * @see org.eclipse.cdt.make.internal.core.scannerconfig2.DefaultRunSIProvider#prepareArguments(boolean)
-     */
-	@Override
-	protected String[] prepareArguments(boolean isDefaultCommand) {
-    	if (collector == null)
-            return fCompileArguments;
-    	
-    	@SuppressWarnings("unchecked")
-        List<String> tso = collector.getCollectedScannerInfo(resource.getProject(), ScannerInfoTypes.TARGET_SPECIFIC_OPTION);
-        if (tso == null || tso.size() == 0) {
-            return fCompileArguments;
-        }
-        
-        String[] rv = null;
-        // commandArguments may have multiple arguments; tokenizing
-        int nTokens = 0;
-        if (fCompileArguments != null && fCompileArguments.length > 0) {
-            nTokens = fCompileArguments.length;
-            rv = new String[nTokens + tso.size()];
-            System.arraycopy(fCompileArguments, 0, rv, 0, nTokens);
-        }
-        else {
-            rv = new String[tso.size()];
-        }
-        for (int i = 0; i < tso.size(); ++i) {
-            rv[nTokens + i] = tso.get(i);
-        }
-        return rv;
-    }
-
-}
+/*******************************************************************************
+ * Copyright (c) 2004, 2011 IBM Corporation and others.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *
+ * Contributors:
+ * IBM - Initial API and implementation
+ *******************************************************************************/
+package org.eclipse.cdt.make.internal.core.scannerconfig2;
+
+import java.util.List;
+import java.util.Properties;
+
+import org.eclipse.cdt.core.CCProjectNature;
+import org.eclipse.cdt.core.CProjectNature;
+import org.eclipse.cdt.core.ICommandLauncher;
+import org.eclipse.cdt.make.core.MakeCorePlugin;
+import org.eclipse.cdt.make.core.scannerconfig.ScannerInfoTypes;
+import org.eclipse.cdt.make.internal.core.scannerconfig.gnu.GCCScannerConfigUtil;
+import org.eclipse.core.resources.IProject;
+import org.eclipse.core.runtime.CoreException;
+
+/**
+ * Runs a command to retrieve compiler intrinsic scanner info from 'specs' file.
+ * 
+ * @author vhirsl
+ */
+public class GCCSpecsRunSIProvider extends DefaultRunSIProvider {
+    /**
+     * Override LC_ALL so {@link org.eclipse.cdt.make.internal.core.scannerconfig.gnu.GCCSpecsConsoleParser}
+     * understands the diagnostics generated when non-English locale is active.
+     * 
+     * @see org.eclipse.cdt.make.internal.core.scannerconfig.gnu.GCCSpecsConsoleParser
+     */
+    @Override
+    protected String[] setEnvironment(ICommandLauncher launcher, Properties initialEnv) {
+        Properties extendedEnv = new Properties();
+        extendedEnv.putAll(initialEnv);
+        extendedEnv.put("LC_ALL", "C");  //$NON-NLS-1$ //$NON-NLS-2$
+
+        return super.setEnvironment(launcher, extendedEnv);
+    }
+
+    /* (non-Javadoc)
+     * @see org.eclipse.cdt.make.internal.core.scannerconfig2.DefaultRunSIProvider#initialize()
+     */
+    @Override
+	protected boolean initialize() {
+        boolean rc = super.initialize();
+        
+        if (rc) {
+            String targetFile = "dummy";    //$NON-NLS-1$
+            IProject project = resource.getProject();
+            try {
+                if (project.hasNature(CCProjectNature.CC_NATURE_ID)) {
+                    targetFile = GCCScannerConfigUtil.CPP_SPECS_FILE;
+                }
+                else if (project.hasNature(CProjectNature.C_NATURE_ID)) {
+                    targetFile = GCCScannerConfigUtil.C_SPECS_FILE;
+                }
+                // replace string variables in compile arguments
+                // TODO Vmir - use string variable replacement
+                for (int i = 0; i < fCompileArguments.length; ++i) {
+                    fCompileArguments[i] = fCompileArguments[i].replaceAll("\\$\\{plugin_state_location\\}",    //$NON-NLS-1$ 
+                            MakeCorePlugin.getWorkingDirectory().toString());
+                    fCompileArguments[i] = fCompileArguments[i].replaceAll("\\$\\{specs_file\\}", targetFile);  //$NON-NLS-1$
+                }
+            } catch (CoreException e) {
+                //TODO VMIR better error handling
+                MakeCorePlugin.log(e.getStatus());
+                rc = false;
+            }
+        }
+        return rc;
+    }
+
+    /* (non-Javadoc)
+     * @see org.eclipse.cdt.make.internal.core.scannerconfig2.DefaultRunSIProvider#prepareArguments(boolean)
+     */
+	@Override
+	protected String[] prepareArguments(boolean isDefaultCommand) {
+    	if (collector == null)
+            return fCompileArguments;
+    	
+    	@SuppressWarnings("unchecked")
+        List<String> tso = collector.getCollectedScannerInfo(resource.getProject(), ScannerInfoTypes.TARGET_SPECIFIC_OPTION);
+        if (tso == null || tso.size() == 0) {
+            return fCompileArguments;
+        }
+        
+        String[] rv = null;
+        // commandArguments may have multiple arguments; tokenizing
+        int nTokens = 0;
+        if (fCompileArguments != null && fCompileArguments.length > 0) {
+            nTokens = fCompileArguments.length;
+            rv = new String[nTokens + tso.size()];
+            System.arraycopy(fCompileArguments, 0, rv, 0, nTokens);
+        }
+        else {
+            rv = new String[tso.size()];
+        }
+        for (int i = 0; i < tso.size(); ++i) {
+            rv[nTokens + i] = tso.get(i);
+        }
+        return rv;
+    }
+
+}