Merged revisions 77128 via svnmerge from

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

........
  r77128 | benjamin.peterson | 2009-12-29 20:58:50 -0600 (Tue, 29 Dec 2009) | 1 line

  only build the nis module when the headers are found #7589
........

Misc/NEWS

@@ -504,6 +504,9 @@ Extension Modules
 Build
 -----
 
+- Issue #7589: Only build the nis module when the correct header files are
+  found.
+
 - Switch to OpenSSL 0.9.8l on Windows.
 
 - Issue #5792: Extend the short float repr support to x86 systems using

setup.py

@@ -972,7 +972,7 @@ class PyBuildExt(build_ext):
             exts.append( Extension('resource', ['resource.c']) )
 
             # Sun yellow pages. Some systems have the functions in libc.
-            if platform not in ['cygwin', 'qnx6']:
+            if platform not in ['cygwin', 'qnx6'] and find_file('rpcsvc/yp_prot.h', inc_dirs, []) is not None:
                 if (self.compiler_obj.find_library_file(lib_dirs, 'nsl')):
                     libs = ['nsl']
                 else: