Don't link PL/Python against LOCALMODLIBS

This variable is apparently only for Python internally.  In newer releases
of Python this variable pulls in more and more libraries that users are
less likely to have, leading to potential build failures.

config/python.m4

 #
 # Autoconf macros for configuring the build of Python extension modules
 #
-# $PostgreSQL: pgsql/config/python.m4,v 1.17 2009/12/15 22:59:53 petere Exp $
+# $PostgreSQL: pgsql/config/python.m4,v 1.18 2010/03/17 22:02:44 petere Exp $
 #
 
 # PGAC_PATH_PYTHON
@@ -72,7 +72,7 @@ else
 	python_libspec="-L${python_libdir} -lpython${python_version}"
 fi
 
-python_additional_libs=`${PYTHON} -c "import distutils.sysconfig,string; print(' '.join(filter(None,distutils.sysconfig.get_config_vars('LIBS','LIBC','LIBM','LOCALMODLIBS','BASEMODLIBS'))))"`
+python_additional_libs=`${PYTHON} -c "import distutils.sysconfig,string; print(' '.join(filter(None,distutils.sysconfig.get_config_vars('LIBS','LIBC','LIBM','BASEMODLIBS'))))"`
 
 AC_MSG_RESULT([${python_libspec} ${python_additional_libs}])
 

configure

@@ -7033,7 +7033,7 @@ else
 	python_libspec="-L${python_libdir} -lpython${python_version}"
 fi
 
-python_additional_libs=`${PYTHON} -c "import distutils.sysconfig,string; print(' '.join(filter(None,distutils.sysconfig.get_config_vars('LIBS','LIBC','LIBM','LOCALMODLIBS','BASEMODLIBS'))))"`
+python_additional_libs=`${PYTHON} -c "import distutils.sysconfig,string; print(' '.join(filter(None,distutils.sysconfig.get_config_vars('LIBS','LIBC','LIBM','BASEMODLIBS'))))"`
 
 { $as_echo "$as_me:$LINENO: result: ${python_libspec} ${python_additional_libs}" >&5
 $as_echo "${python_libspec} ${python_additional_libs}" >&6; }