compare-debug: Avoid spurious errors when .stripped files exist.

* compare-debug: Avoid spurious errors when .stripped files
exist.

From-SVN: r128911

contrib/ChangeLog

+2007-10-01  Alexandre Oliva  <aoliva@redhat.com>
+
+	* compare-debug: Avoid spurious errors when .stripped files
+	exist.
+
 2007-09-22  Hans-Peter Nilsson  <hp@axis.com>
 
 	* warn_summary (srcdirFilter): Add fixincludes, sim,

contrib/compare-debug

@@ -36,31 +36,31 @@ if test ! -f "$2"; then
   exit 1
 fi
 
-if test -f "$1".stripped; then
-  echo "$1".stripped already exists, overwriting >&2
-  exit 1
-fi
+suf1=stripped
+while test -f "$1.$suf1"; do
+  suf1=$suf1.
+done
 
-if test -f "$2".stripped; then
-  echo "$2".stripped already exists, overwriting >&2
-  exit 1
-fi
+suf2=stripped
+while test -f "$2.$suf2"; do
+  suf2=$suf2.
+done
 
-trap 'rm -f "$1".stripped "$2".stripped' 0 1 2 15
+trap 'rm -f "$1.$suf1" "$2.$suf2"' 0 1 2 15
 
-cp "$1" "$1".stripped
-strip "$1".stripped
+cp "$1" "$1.$suf1"
+strip "$1.$suf1"
 
-cp "$2" "$2".stripped
-strip "$2".stripped
+cp "$2" "$2.$suf2"
+strip "$2.$suf2"
 
-if cmp "$1".stripped "$2".stripped; then
+if cmp "$1.$suf1" "$2.$suf2"; then
   status=0
 else
   status=1
 fi
 
-rm -f "$1".stripped "$2".stripped
+rm -f "$1.$suf1" "$2.$suf2"
 
 trap "exit $status; exit" 0 1 2 15