Patch #827386: Support absolute source paths in msvccompiler.py.

Lib/distutils/msvccompiler.py

@@ -270,6 +270,8 @@ class MSVCCompiler (CCompiler) :
         obj_names = []
         for src_name in source_filenames:
             (base, ext) = os.path.splitext (src_name)
+            base = os.path.splitdrive(base)[1] # Chop off the drive
+            base = base[os.path.isabs(base):]  # If abs, chop off leading /
             if ext not in self.src_extensions:
                 # Better to raise an exception instead of silently continuing
                 # and later complain about sources and targets having

Misc/NEWS

@@ -53,6 +53,8 @@ Extension Modules
 Library
 -------
 
+- Patch #827386: Support absolute source paths in msvccompiler.py.
+
 - Fix a problem in Tkinter introduced by SF patch #869468: delete bogus
   __hasattr__ and __delattr__ methods on class Tk that were breaking
   Tkdnd.