1 files changed, 9 insertions, 7 deletions

diff --git a/src/bytecode.c b/src/bytecode.c
index ba3c012bd1a..d887668dd39 100644
--- a/src/bytecode.c
+++ b/src/bytecode.c
@@ -76,11 +76,7 @@ Lisp_Object Qbyte_code_meter;
     }                                                                   \
 }
 
-#else /* no BYTE_CODE_METER */
-
-#define METER_CODE(last_code, this_code)
-
-#endif /* no BYTE_CODE_METER */
+#endif /* BYTE_CODE_METER */
 
 
 Lisp_Object Qbytecode;
@@ -148,7 +144,9 @@ extern Lisp_Object Qand_optional, Qand_rest;
 #define Bpreceding_char 0150
 #define Bcurrent_column 0151
 #define Bindent_to 0152
+#ifdef BYTE_CODE_SAFE
 #define Bscan_buffer 0153 /* No longer generated as of v18 */
+#endif
 #define Beolp 0154
 #define Beobp 0155
 #define Bbolp 0156
@@ -156,8 +154,12 @@ extern Lisp_Object Qand_optional, Qand_rest;
 #define Bcurrent_buffer 0160
 #define Bset_buffer 0161
 #define Bsave_current_buffer_1 0162 /* Replacing Bsave_current_buffer.  */
+#if 0
 #define Bread_char 0162 /* No longer generated as of v19 */
+#endif
+#ifdef BYTE_CODE_SAFE
 #define Bset_mark 0163 /* this loser is no longer generated as of v18 */
+#endif
 #define Binteractive_p 0164 /* Obsolete.  */
 
 #define Bforward_char 0165
@@ -234,7 +236,6 @@ extern Lisp_Object Qand_optional, Qand_rest;
 #define BdiscardN   0266
 
 #define Bconstant 0300
-#define CONSTANTLIM 0100
 
 /* Whether to maintain a `top' and `bottom' field in the stack frame.  */
 #define BYTE_MAINTAIN_TOP (BYTE_CODE_SAFE || BYTE_MARK_STACK)
@@ -370,6 +371,7 @@ unmark_byte_stack (void)
    We do this at every branch, to avoid loops that never GC.  */
 
 #define MAYBE_GC()                                      \
+ do {                                                   \
   if (consing_since_gc > gc_cons_threshold              \
       && consing_since_gc > gc_relative_threshold)      \
     {                                                   \
@@ -377,7 +379,7 @@ unmark_byte_stack (void)
       Fgarbage_collect ();                              \
       AFTER_POTENTIAL_GC ();                            \
     }                                                   \
-  else
+ } while (0)
 
 /* Check for jumping out of range.  */