1 files changed, 9 insertions, 0 deletions

diff --git a/archival/Config.in b/archival/Config.in
index 661c71ccf..49070da06 100644
--- a/archival/Config.in
+++ b/archival/Config.in
@@ -205,6 +205,15 @@ config FEATURE_TAR_OLDGNU_COMPATIBILITY
           the old GNU format; help to kill this old format by
           repacking your ancient archives with the new format.
 
+config FEATURE_TAR_OLDSUN_COMPATIBILITY
+        bool "Enable untarring of tarballs with checksums produced by buggy Sun tar"
+        default N
+        depends on TAR
+        help
+          This option is required to unpack archives created by some old
+          version of Sun's tar (it was calculating checksum using signed arithmetic).
+          It is said to be fixed in newer Sun tar, but "old" tarballs still exist.
+
 config FEATURE_TAR_GNU_EXTENSIONS
         bool "Enable support for some GNU tar extensions"
         default y