diff --git a/Lib/distutils/bcppcompiler.py b/Lib/distutils/bcppcompiler.py
index cfbe04a..b0360a2 100644
--- a/Lib/distutils/bcppcompiler.py
+++ b/Lib/distutils/bcppcompiler.py
@@ -96,7 +96,11 @@
         else:
             compile_opts.extend (self.compile_options)
 
-        for obj, (src, ext) in build.items():
+        for obj in objects:
+            try:
+                src, ext = build[obj]
+            except KeyError:
+                continue
             # XXX why do the normpath here?
             src = os.path.normpath(src)
             obj = os.path.normpath(obj)
diff --git a/Lib/distutils/ccompiler.py b/Lib/distutils/ccompiler.py
index 751ec06..ebd93c2 100644
--- a/Lib/distutils/ccompiler.py
+++ b/Lib/distutils/ccompiler.py
@@ -691,7 +691,11 @@
                                     depends, extra_postargs)
         cc_args = self._get_cc_args(pp_opts, debug, extra_preargs)
 
-        for obj, (src, ext) in build.items():
+        for obj in objects:
+            try:
+                src, ext = build[obj]
+            except KeyError:
+                continue
             self._compile(obj, src, ext, cc_args, extra_postargs, pp_opts)
 
         # Return *all* object filenames, not just the ones we just built.
diff --git a/Lib/distutils/msvccompiler.py b/Lib/distutils/msvccompiler.py
index 27fb658..1441ea0 100644
--- a/Lib/distutils/msvccompiler.py
+++ b/Lib/distutils/msvccompiler.py
@@ -291,7 +291,11 @@
         else:
             compile_opts.extend(self.compile_options)
 
-        for obj, (src, ext) in build.items():
+        for obj in objects:
+            try:
+                src, ext = build[obj]
+            except KeyError:
+                continue
             if debug:
                 # pass the full pathname to MSVC in debug mode,
                 # this allows the debugger to find the source file