Changed so all the help-generating functions are defined, at module-level,

in the module of the command classes that have command-specific
help options.  This lets us keep the principle of lazily importing
the ccompiler module, and also gets away from defining non-methods
at class level.

Lib/distutils/command/build_ext.py

@@ -14,7 +14,6 @@ from distutils.core import Command
 from distutils.errors import *
 from distutils.dep_util import newer_group
 from distutils.extension import Extension
-from distutils.ccompiler import show_compilers
 
 # An extension name is just a dot-separated list of Python NAMEs (ie.
 # the same as a fully-qualified module name).
@@ -22,6 +21,11 @@ extension_name_re = re.compile \
     (r'^[a-zA-Z_][a-zA-Z_0-9]*(\.[a-zA-Z_][a-zA-Z_0-9]*)*$')
 
 
+def show_compilers ():
+    from distutils.ccompiler import show_compilers
+    show_compilers()
+
+
 class build_ext (Command):
     
     description = "build C/C++ extensions (compile/link to build directory)"
@@ -73,12 +77,12 @@ class build_ext (Command):
         ('compiler=', 'c',
          "specify the compiler type"),
         ]
+
     help_options = [
         ('help-compiler', None,
-         "lists available compilers",show_compilers),
+         "list available compilers", show_compilers),
 	]
 
-
     def initialize_options (self):
         self.extensions = None
         self.build_lib = None