1 files changed, 9 insertions, 0 deletions

diff --git a/shell/Config.in b/shell/Config.in
index b064ed41b..c8f4a936c 100644
--- a/shell/Config.in
+++ b/shell/Config.in
@@ -67,6 +67,15 @@ config CONFIG_ASH_MATH_SUPPORT
         help
           Enable math support in the ash shell.
 
+config CONFIG_ASH_MATH_SUPPORT_64
+        bool "    Extend Posix math support to 64 bit"
+        default n
+        depends on CONFIG_ASH_MATH_SUPPORT
+        help
+          Enable 64-bit math support in the ash shell.  This will make
+          the shell slightly larger, but will allow computation with very
+          large numbers.
+
 config CONFIG_ASH_GETOPTS
         bool "  Enable getopt builtin to parse positional parameters"
         default n