The errno module needs to be statically linked, since it is now needed during

the extension building phase.

Modules/Setup.dist

@@ -97,6 +97,7 @@ PYTHONPATH=$(COREPYTHONPATH)
 # setup.py script in the root of the Python source tree.
 
 posix posixmodule.c		# posix (UNIX) system calls
+errno errnomodule.c		# posix (UNIX) errno values
 _sre _sre.c			# Fredrik Lundh's new regular expressions
 new newmodule.c			# Tommy Burnette's 'new' module
 
@@ -166,7 +167,6 @@ GLHACK=-Dclear=__GLclear
 #fcntl fcntlmodule.c	# fcntl(2) and ioctl(2)
 #pwd pwdmodule.c		# pwd(3) 
 #grp grpmodule.c		# grp(3)
-#errno errnomodule.c	# posix (UNIX) errno values
 #select selectmodule.c	# select(2); not on ancient System V
 
 # Memory-mapped files (also works on Win32).

setup.py

@@ -273,8 +273,6 @@ class PyBuildExt(build_ext):
         exts.append( Extension('pwd', ['pwdmodule.c']) )
         # grp(3)
         exts.append( Extension('grp', ['grpmodule.c']) )
-        # posix (UNIX) errno values
-        exts.append( Extension('errno', ['errnomodule.c']) )
         # select(2); not on ancient System V
         exts.append( Extension('select', ['selectmodule.c']) )