+ int prefix_len, orig_prefix_len;
+
+ /* If the absolute prefix starts with "target:" but the filesystem
+ accessed by the target_fileio_* methods is the local filesystem
+ then we strip the "target:" prefix now and work with the local
+ filesystem. This ensures that the same search algorithm is used
+ for all local files regardless of whether a "target:" prefix was
+ used. */
+ if (is_target_filename (sysroot) && target_filesystem_is_local ())
+ sysroot += strlen (TARGET_SYSROOT_PREFIX);
+
+ /* Strip any trailing slashes from the absolute prefix. */
+ prefix_len = orig_prefix_len = strlen (sysroot);
+
+ while (prefix_len > 0 && IS_DIR_SEPARATOR (sysroot[prefix_len - 1]))
+ prefix_len--;
+
+ if (prefix_len == 0)
+ sysroot = NULL;
+ else if (prefix_len != orig_prefix_len)