Conditionally declare and clean buildroot to support el5

- Fix declaration of Python macro, and make it apply only to el5
(cherry picked from commit 3ed61f7113)

python-psutil.spec

@@ -1,7 +1,9 @@
 %if 0%{?fedora} > 12 || 0%{?rhel} > 6
 %global with_python3 1
-%else
-%{!?python_sitelib: %global python_sitelib %(%{__python} -c "from distutils.sysconfig import get_python_lib; print (get_python_lib())")}
+%endif
+
+%if 0%{?el5}
+%{!?python_sitearch: %global python_sitearch %(%{__python} -c "from distutils.sysconfig import get_python_lib; print (get_python_lib(1))")}
 %endif
 
 %global short_name psutil
@@ -27,6 +29,10 @@ BuildRequires:  python2-devel
 BuildRequires:  python3-devel
 %endif
 
+%if 0%{?el5}
+BuildRoot:      %(mktemp -ud %{_tmppath}/%{name}-%{version}-%{release}-XXXXXX)
+%endif
+
 %description
 psutil is a module providing an interface for retrieving information on all
 running processes and system utilization (CPU, memory, disks, network, users) in
@@ -76,6 +82,10 @@ popd
 
 
 %install
+%if 0%{?el5}
+rm -rf $RPM_BUILD_ROOT
+%endif
+
 %{__python} setup.py install \
   --skip-build \
   --root $RPM_BUILD_ROOT
@@ -98,7 +108,9 @@ chmod 0755 $RPM_BUILD_ROOT%{python3_sitearch}/*.so
 %files
 %doc CREDITS HISTORY LICENSE README
 %{python_sitearch}/%{short_name}/
+%if ! 0%{?el5}
 %{python_sitearch}/*.egg-info
+%endif
 %{python_sitearch}/*.so