* alloc.c (bytes_used_when_full, SPARE_MEMORY, BYTES_USED):

Define only if needed.

diff --git a/src/ChangeLog b/src/ChangeLog
index 906cde0508640cc28f5cd5086f0ca04a0b9d8a9a..f4a15df66ba06a82cd41637b44b9e5c26436dd0e 100644 (file)
--- a/src/ChangeLog
+++ b/src/ChangeLog
@@ -1,5 +1,8 @@
 2011-04-16  Paul Eggert  <eggert@cs.ucla.edu>
 
+       * alloc.c (bytes_used_when_full, SPARE_MEMORY, BYTES_USED):
+       Define only if needed.
+
        * sysdep.c (_FILE_OFFSET_BITS): Make this hack even uglier
        by pacifying GCC about it.  Maybe it's time to retire it?
        * xfaces.c (USG, __TIMEVAL__): Likewise.

diff --git a/src/alloc.c b/src/alloc.c
index 16cd183aaa180c3c787fb345b7e0e4395b3e1269..412527b41a0a0910e361406a32407b6892b26ba2 100644 (file)
--- a/src/alloc.c
+++ b/src/alloc.c
@@ -139,10 +139,6 @@ static pthread_mutex_t alloc_mutex;
 #endif /* ! defined HAVE_GTK_AND_PTHREAD */
 #endif /* ! defined SYSTEM_MALLOC && ! defined SYNC_INPUT */
 
-/* Value of _bytes_used, when spare_memory was freed.  */
-
-static __malloc_size_t bytes_used_when_full;
-
 /* Mark, unmark, query mark bit of a Lisp string.  S must be a pointer
    to a struct Lisp_String.  */
 
@@ -198,9 +194,11 @@ static int total_free_floats, total_floats;
 
 static char *spare_memory[7];
 
+#ifndef SYSTEM_MALLOC
 /* Amount of spare memory to keep in large reserve block.  */
 
 #define SPARE_MEMORY (1 << 14)
+#endif
 
 /* Number of extra blocks malloc should get when it needs more core.  */
 
@@ -469,13 +467,6 @@ display_malloc_warning (void)
         intern ("emergency"));
   pending_malloc_warning = 0;
 }
-
-
-#ifdef DOUG_LEA_MALLOC
-#  define BYTES_USED (mallinfo ().uordblks)
-#else
-#  define BYTES_USED _bytes_used
-#endif
 \f
 /* Called if we can't allocate relocatable space for a buffer.  */
 
@@ -1096,8 +1087,18 @@ static void * (*old_malloc_hook) (size_t, const void *);
 static void * (*old_realloc_hook) (void *,  size_t, const void*);
 static void (*old_free_hook) (void*, const void*);
 
+#ifdef DOUG_LEA_MALLOC
+#  define BYTES_USED (mallinfo ().uordblks)
+#else
+#  define BYTES_USED _bytes_used
+#endif
+
 static __malloc_size_t bytes_used_when_reconsidered;
 
+/* Value of _bytes_used, when spare_memory was freed.  */
+
+static __malloc_size_t bytes_used_when_full;
+
 /* This function is used as the hook for free to call.  */
 
 static void
@@ -3296,7 +3297,7 @@ memory_full (void)
 
   /* Record the space now used.  When it decreases substantially,
      we can refill the memory reserve.  */
-#ifndef SYSTEM_MALLOC
+#if !defined SYSTEM_MALLOC && !defined SYNC_INPUT
   bytes_used_when_full = BYTES_USED;
 #endif