diff --git a/gstreamer-plugins-base.changes b/gstreamer-plugins-base.changes
index 72d4fa5..e2bdbad 100644
--- a/gstreamer-plugins-base.changes
+++ b/gstreamer-plugins-base.changes
@@ -1,3 +1,9 @@
+-------------------------------------------------------------------
+Fri May 19 18:28:40 UTC 2017 - jengelh@inai.de
+
+- Run parallel build with smp_mflags. Recast a slightly
+  convoluted find call. Replace old $RPM shell vars by macros.
+
 -------------------------------------------------------------------
 Mon May  8 11:21:52 UTC 2017 - zaitor@opensuse.org
 
diff --git a/gstreamer-plugins-base.spec b/gstreamer-plugins-base.spec
index 103ef38..790d9a4 100644
--- a/gstreamer-plugins-base.spec
+++ b/gstreamer-plugins-base.spec
@@ -416,7 +416,7 @@ translation-update-upstream po gst-plugins-base-%{gst_branch}
 %build
 # FIXME: GTKDOC_CFLAGS, GST_OBJ_CFLAGS:
 # Silently ignored compilation of uninstalled gtk-doc scanners without RPM_OPT_FLAGS.
-export CFLAGS="$RPM_OPT_FLAGS -fno-strict-aliasing"
+export CFLAGS="%{optflags} -fno-strict-aliasing"
 %configure\
 	--with-package-name='openSUSE GStreamer-plugins-base package'\
 	--with-package-origin='http://download.opensuse.org'\
@@ -425,7 +425,7 @@ export CFLAGS="$RPM_OPT_FLAGS -fno-strict-aliasing"
 	--enable-introspection\
 	--enable-orc\
 	%{nil}
-make %{?jobs:-j%jobs}
+make %{?_smp_mflags}
 
 %install
 %makeinstall
@@ -437,7 +437,7 @@ else
   cp %{S:1} %{buildroot}%{_datadir}/appdata/
 fi
 
-find %{buildroot} -type f -name "*.la" -exec %{__rm} -fv {} +
+find %{buildroot} -type f -name "*.la" -print -delete
 %find_lang %{_name}-%{gst_branch}
 %fdupes %{buildroot}%{_datadir}/gtk-doc/html/