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-rw-r--r--src/emacs.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/src/emacs.c b/src/emacs.c
index 57a52a0c48f..c766523b1c3 100644
--- a/src/emacs.c
+++ b/src/emacs.c
@@ -174,8 +174,10 @@ int display_arg;
Tells GC how to save a copy of the stack. */
char *stack_bottom;
+#if defined (DOUG_LEA_MALLOC) || defined (GNU_LINUX)
/* The address where the heap starts (from the first sbrk (0) call). */
static void *my_heap_start;
+#endif
#ifdef GNU_LINUX
/* The gap between BSS end and heap start as far as we can tell. */