Merged revisions 68874 via svnmerge from

svn+ssh://pythondev@svn.python.org/python/trunk

........
  r68874 | jesse.noller | 2009-01-23 08:04:41 -0600 (Fri, 23 Jan 2009) | 1 line

  Issue 3807: multiprocessing fails to compile under --without-threads
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Misc/NEWS

@@ -775,6 +775,10 @@ Library
 
 - Issue #5387: Fixed mmap.move crash by integer overflow.
 
+- Issue #3807: _multiprocessing build fails when configure is passed 
+  --without-threads argument. When this occurs, _multiprocessing will
+  be disabled, and not compiled.
+
 - Issue #5261: Patch multiprocessing's semaphore.c to support context
   manager use: "with multiprocessing.Lock()" works now.
 

setup.py

@@ -1325,9 +1325,13 @@ class PyBuildExt(build_ext):
             if macros.get('HAVE_SEM_OPEN', False):
                 multiprocessing_srcs.append('_multiprocessing/semaphore.c')
 
-        exts.append ( Extension('_multiprocessing', multiprocessing_srcs,
-                                 define_macros=macros.items(),
-                                 include_dirs=["Modules/_multiprocessing"]))
+        if sysconfig.get_config_var('WITH_THREAD'):
+            exts.append ( Extension('_multiprocessing', multiprocessing_srcs,
+                                    define_macros=macros.items(),
+                                    include_dirs=["Modules/_multiprocessing"]))
+        else:
+            missing.append('_multiprocessing')
+
         # End multiprocessing