localhost:/usr/SD/perl/src/perl-5.6.1$ cat planktons_patch_to_makedepend.SH 
--- makedepend.SH_BU    2009-04-17 13:43:34.000000000 -0400
+++ makedepend.SH       2009-04-17 13:58:32.000000000 -0400
@@ -121,7 +121,7 @@
     *.y) filebase=`basename $file .y` ;;
     esac
     case "$file" in
-    */*) finc="-I`echo $file | sed 's#/[^/]*$##`" ;;
+    */*) finc="-I`echo $file | sed 's#/[^/]*$##'`" ;;
     *)   finc= ;;
     esac
     $echo "Finding dependencies for $filebase$_o."
@@ -154,6 +154,10 @@
         $cppstdin $finc -I. $cppflags $cppminus <UU/$file.c |
         $sed \
            -e '1d' \
+            -e '/^#.*<builtin>/d' \
+            -e '/^#.*<built-in>/d' \
+            -e '/^#.*<command line>/d' \
+            -e '/^#.*<command-line>/d' \
            -e '/^#.*<stdin>/d' \
            -e '/^#.*"-"/d' \
            -e 's#\.[0-9][0-9]*\.c#'"$file.c#" \