diff --git a/djvulibre.changes b/djvulibre.changes
index e9d61c3..15da1c9 100644
--- a/djvulibre.changes
+++ b/djvulibre.changes
@@ -1,3 +1,10 @@
+-------------------------------------------------------------------
+Sun Sep 18 17:17:12 UTC 2011 - jengelh@medozas.de
+
+- Remove redundant tags/sections from specfile
+  (cf. packaging guidelines)
+- Use %_smp_mflags for parallel build
+
 -------------------------------------------------------------------
 Thu Jun  9 10:22:43 UTC 2011 - pgajdos@novell.com
 
diff --git a/djvulibre.spec b/djvulibre.spec
index 5d6d79b..e81c70c 100644
--- a/djvulibre.spec
+++ b/djvulibre.spec
@@ -15,14 +15,12 @@
 # Please submit bugfixes or comments via http://bugs.opensuse.org/
 #
 
-# norootforbuild
 
 
 Name:           djvulibre
 BuildRequires:  fdupes libdrm-devel libjpeg-devel libtiff-devel qt3-devel qt3-devel-tools update-desktop-files xorg-x11-devel
 License:        GPLv2+
 Group:          Productivity/Graphics/Other
-AutoReqProv:    on
 Version:        3.5.24
 Release:        5
 Url:            http://djvu.sourceforge.net
@@ -47,14 +45,6 @@ be smoothly zoomed and panned with no lengthy rerendering. DjVu is used
 by hundreds of academic, commercial, governmental, and noncommercial
 Web sites around the world.
 
-
-
-Authors:
---------
-    Dr Bill C Riemers <docbill@users.sourceforge.net>
-    Leon Bottou <leonb@users.sourceforge.net>
-    Yann LeCun <profshadoko@users.sourceforge.net>
-
 %package djview3
 License:        GPLv2+
 Summary:        DjView3 is a portable DjVu Qt3 based viewer and browser plugin
@@ -66,14 +56,6 @@ Conflicts:      djvulibre-djview4
 DjView3 is a viewer and browser plugin for DjVu documents, based on the
 DjVuLibre-3.5 library and the Qt3 toolkit.
 
-
-
-Authors:
---------
-    Dr Bill C Riemers <docbill@users.sourceforge.net>
-    Leon Bottou <leonb@users.sourceforge.net>
-    Yann LeCun <profshadoko@users.sourceforge.net>
-
 %package -n libdjvulibre21
 License:        GPLv2+
 Summary:        Libraries of Open Source Implementation of DjVu - djvulibre
@@ -82,14 +64,6 @@ Group:          Productivity/Graphics/Other
 %description -n libdjvulibre21
 Libraries of Open Source Implementation of DjVu - djvulibre.
 
-
-
-Authors:
---------
-    Dr Bill C Riemers <docbill@users.sourceforge.net>
-    Leon Bottou <leonb@users.sourceforge.net>
-    Yann LeCun <profshadoko@users.sourceforge.net>
-
 %package -n libdjvulibre-devel
 License:        GPLv2+
 Summary:        Libraries of Open Source Implementation of DjVu - djvulibre
@@ -99,31 +73,14 @@ Requires:       libdjvulibre21 = %{version}, libjpeg-devel
 %description -n libdjvulibre-devel
 Libraries of Open Source Implementation of DjVu - djvulibre.
 
-
-
-Authors:
---------
-    Dr Bill C Riemers <docbill@users.sourceforge.net>
-    Leon Bottou <leonb@users.sourceforge.net>
-    Yann LeCun <profshadoko@users.sourceforge.net>
-
 %package doc
 License:        GPLv2+
 Summary:        Documentation for the the DjVu - djvulibre
 Group:          Productivity/Graphics/Other
-AutoReqProv:    on
 
 %description doc
 This package contains the documentation for the DjVu - djvulibre
 
-
-
-Authors:
---------
-    Dr Bill C Riemers <docbill@users.sourceforge.net>
-    Leon Bottou <leonb@users.sourceforge.net>
-    Yann LeCun <profshadoko@users.sourceforge.net>
-
 %prep
 %setup
 %patch1
@@ -146,8 +103,7 @@ QT_LIBS="-L/usr/%_lib/qt3/%{_lib} -lqt-mt" \
 	--x-libraries=/usr/%{_lib}/ \
 	--with-qt=/usr/%_lib/qt3 \
         --enable-djview
-make OPTS="$RPM_OPT_FLAGS -Wall -fmessage-length=0 -DNO_DEBUG" 
-#%%{?jobs:-j%%jobs}
+make OPTS="$RPM_OPT_FLAGS -Wall -fmessage-length=0 -DNO_DEBUG" %{?_smp_mflags}
 
 %install
 make install DESTDIR=$RPM_BUILD_ROOT
@@ -169,17 +125,9 @@ install -m 644 desktopfiles/hi32-djview3.png $RPM_BUILD_ROOT/usr/share/pixmaps/d
 %suse_update_desktop_file -r -i djvulibre-djview3 Graphics Viewer
 %fdupes $RPM_BUILD_ROOT
 
-%clean
-rm -rf $RPM_BUILD_ROOT
+%post  -n libdjvulibre21 -p /sbin/ldconfig
 
-%post  -n libdjvulibre21
-# LIBS: Run ldconfig
-/sbin/ldconfig
-
-%postun -n libdjvulibre21
-# LIBS: Run ldconfig
-/sbin/ldconfig
-exit 0
+%postun -n libdjvulibre21 -p /sbin/ldconfig
 
 %files
 %defattr(-,root,root)