spwdmodule.c should only be built when either HAVE_GETSPNAM or HAVE_GETSPENT is

defined.

Misc/NEWS

@@ -152,6 +152,9 @@ Library
 Build
 -----
 
+- spwdmodule.c is built only if either HAVE_GETSPNAM or HAVE_HAVE_GETSPENT is
+  defined.  Discovered as a result of not being able to build on OS X.
+
 - setup.py now uses the directories specified in LDFLAGS using the -L option
   and in CPPFLAGS using the -I option for adding library and include
   directories, respectively, for compiling extension modules against.  This has

setup.py

@@ -384,12 +384,14 @@ class PyBuildExt(build_ext):
         # fcntl(2) and ioctl(2)
         exts.append( Extension('fcntl', ['fcntlmodule.c']) )
         if platform not in ['mac']:
-                # pwd(3)
+            # pwd(3)
             exts.append( Extension('pwd', ['pwdmodule.c']) )
             # grp(3)
             exts.append( Extension('grp', ['grpmodule.c']) )
             # spwd, shadow passwords
-            exts.append( Extension('spwd', ['spwdmodule.c']) )
+            if (sysconfig.get_config_var('HAVE_GETSPNAM') or
+                    sysconfig.get_config_var('HAVE_GETSPENT')):
+                exts.append( Extension('spwd', ['spwdmodule.c']) )
         # select(2); not on ancient System V
         exts.append( Extension('select', ['selectmodule.c']) )