diff --git a/util/m5/SConstruct b/util/m5/SConstruct
index c2c4a50a95..7f07b942fc 100644
--- a/util/m5/SConstruct
+++ b/util/m5/SConstruct
@@ -49,6 +49,9 @@ AddOption('--debug-build', dest='debug_build', action='store_true',
 AddOption('--run-tests', dest='run_tests', action='store_true',
           help='Enable test output xml files as build targets.')
 AddOption('--verbose', dest='verbose', action='store_true')
+AddOption('--no-duplicate-sources', action='store_false', default=True,
+          dest='duplicate_sources',
+          help='Do not create symlinks to sources in the build directory')
 
 # Universal settings.
 if GetOption('debug_build'):
diff --git a/util/statetrace/SConstruct b/util/statetrace/SConstruct
index 945976e8c5..2e1a631a10 100644
--- a/util/statetrace/SConstruct
+++ b/util/statetrace/SConstruct
@@ -57,6 +57,12 @@ main['CXXFLAGS'] = "-O3 -ggdb $_CPPINCFLAGS"
 
 main['CXX'] = ARGUMENTS.get('CXX', main['CXX'])
 
+# An option not to link source files in the build directory.
+# Not enabled by default.
+AddOption('--no-duplicate-sources', action='store_false', default=True,
+          dest='duplicate_sources',
+          help='Do not create symlinks to sources in the build directory')
+
 for arch in arches:
     env = main.Clone()
     env['CXX'] = ARGUMENTS.get(arch.upper() + 'CXX', env['CXX'])
diff --git a/util/tlm/SConstruct b/util/tlm/SConstruct
index 6c65cfddfa..3f4abf8b08 100644
--- a/util/tlm/SConstruct
+++ b/util/tlm/SConstruct
@@ -80,6 +80,12 @@ sys.path.append(gem5_root + '/src/python')
 AddOption('--no-colors', dest='use_colors', action='store_false',
           help="Don't add color to abbreviated scons output")
 
+# An option not to link source files in the build directory.
+# Not enabled by default.
+AddOption('--no-duplicate-sources', action='store_false', default=True,
+          dest='duplicate_sources',
+          help='Do not create symlinks to sources in the build directory')
+
 env.SConsignFile('build/systemc/sconsign')
 SConscript(gem5_root + '/ext/systemc/SConscript',
            variant_dir='build/systemc',