(rel_source_subdir): Prune out redundant /subdir/../ to prevent recursion.

From-SVN: r6068

diff --git a/gcc/fixproto b/gcc/fixproto
index 5018a4642f3945efa9f2f1570bfcc7c882768020..4ed80709d796097be81b88fc5d782d099a6ea674 100755 (executable)
--- a/gcc/fixproto
+++ b/gcc/fixproto
@@ -192,6 +192,11 @@ for code in ALL STD ; do
          do
            new_files_to_check=""
            for file in $files_to_check ; do
+             xxfile=`echo $file | sed -e 's|/\([^/\.][^/\.]*\)/\.\./|/|'`
+             # Just in case we have edited out a symbolic link
+             if [ -f $src_dir_std/$file -a -f $src_dir_std/$xxfile ] ; then
+               file=$xxfile
+             fi
              case " $rel_source_files " in
                *" ${file} "*)
                  # Already seen $file; nothing to do