Added 'boolean_options' list to support config file parsing.
diff --git a/Lib/distutils/command/build.py b/Lib/distutils/command/build.py
index 15476ca..f30f4ee 100644
--- a/Lib/distutils/command/build.py
+++ b/Lib/distutils/command/build.py
@@ -42,6 +42,8 @@
          "forcibly build everything (ignore file timestamps)"),
         ]
 
+    boolean_options = ['debug', 'force']
+
     help_options = [
         ('help-compiler', None,
          "list available compilers", show_compilers),