1 files changed, 3 insertions, 0 deletions
diff --git a/imakemdep.h b/imakemdep.h
index 38a6d95..2e02cc3 100644
--- a/imakemdep.h
+++ b/imakemdep.h
@@ -1338,6 +1338,9 @@ struct symtab	predefs[] = {
 #if defined(__LITTLE_ENDIAN__)
       {"__LITTLE_ENDIAN__", "1"},
 #endif
+#if defined (__CHAR_BIT__)
+	{"__CHAR_BIT__", DEF_STRINGIFY(__CHAR_BIT__)},
+#endif
 	/* add any additional symbols before this line */
 	{NULL, NULL}
 };