1 files changed, 1 insertions, 1 deletions
diff --git a/src/od.c b/src/od.c
index 8604a8dcd..9ddd51971 100644
--- a/src/od.c
+++ b/src/od.c
@@ -1257,7 +1257,7 @@ read_block (size_t n, char *block, size_t *n_bytes_in_buffer)
 /* Return the least common multiple of the sizes associated
    with the format specs.  */
 
-static int
+static int _GL_ATTRIBUTE_PURE
 get_lcm (void)
 {
   size_t i;