Added 'scons clean' target

SConstruct

@@ -7,14 +7,16 @@ Basic usage:
     'scons build' - Compile Cantera and the language interfaces using
                     default options.
 
+    'scons clean' - Delete files created while building Cantera.
+
     '[sudo] scons install' - Install Cantera.
 
-    'scons test' - Run regression test suite
+    'scons test' - Run regression test suite.
 
     'scons test-clean' - Delete files created while running the
                          regression tests.
 
-    'scons msi' - Build a Windows installer (.msi) for Cantera
+    'scons msi' - Build a Windows installer (.msi) for Cantera.
 """
 
 from buildutils import *
@@ -27,6 +29,17 @@ if not COMMAND_LINE_TARGETS:
 
 extraEnvArgs = {}
 
+if 'clean' in COMMAND_LINE_TARGETS:
+    removeDirectory('build')
+    removeDirectory('stage')
+    removeDirectory('.sconf_temp')
+    removeFile('.sconsign.dblite')
+    for name in os.listdir('.'):
+        if name.endswith('.msi'):
+            removeFile(name)
+    print 'Done removing output files.'
+    sys.exit(0)
+
 if os.name == 'nt':
     # On Windows, use the same version of Visual Studio that was used
     # to compile Python, and target the same architecture.

site_scons/buildutils.py

@@ -8,6 +8,7 @@ import subprocess
 import difflib
 import time
 import types
+import shutil
 
 class DefineDict(object):
     """
@@ -387,3 +388,16 @@ def listify(value):
     else:
         # Already a sequence. Return as a list
         return list(value)
+
+
+def removeFile(name):
+    """ Remove file (if it exists) and print a log message """
+    if os.path.exists(name):
+        print 'Removing file "%s"' % name
+        os.remove(name)
+
+def removeDirectory(name):
+    """ Remove directory recursively and print a log message """
+    if os.path.exists(name):
+        print 'Removing directory "%s"' % name
+        shutil.rmtree(name)