Fallback to the global relnotes template if it's missing from metadir.

(Note huge diff because a large block of code was reindented).

buildpkg.packaging.irix

@@ -1038,9 +1038,12 @@ auto_rel()
 
     for i in relnotes relnotes.${_os} relnotes.txt relnotes.${_os}.txt;
     do
-	[ -r ${metadir}/${i} ] && rn=$i
+	[ -r ${metadir}/${i} ] && rn=${metadir}/$i
     done
-    if [ -r ${metadir}/${rn} ]; then
+    if [ ! -r ${rn} ]; then
+	echo "auto_rel: Using global relnotes template"
+	rn=${BUILDPKG_BASE}/scripts/relnotes.template.irix
+    fi
     local relmetadir=${stagedir}${metainstalldir}relnotes/$topdir-$version-$pkgver
     # compute configure info for relnotes
     local cf="$(_upls $configure_args)"
@@ -1106,9 +1109,6 @@ auto_rel()
 	-e "s;%%ENVIRONMENT%%;${extracted_env};g" \
 	-e "s;%%DEPENDENCIES%%;${deps};g" \
 	    ${metadir}/${rn} > "$relmetadir/${topdir}.txt"
-    else
-	echo "auto_rel: No release notes found!"
-    fi
 }
 
 # auto_dist(): Add idb & spec files to stagedir