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-rw-r--r--mmalloc/sbrk-sup.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/mmalloc/sbrk-sup.c b/mmalloc/sbrk-sup.c
index 8893175..da0f7a2 100644
--- a/mmalloc/sbrk-sup.c
+++ b/mmalloc/sbrk-sup.c
@@ -24,7 +24,9 @@ Boston, MA 02111-1307, USA. */
#include "mmprivate.h"
static PTR sbrk_morecore PARAMS ((struct mdesc *, int));
+#if NEED_DECLARATION_SBRK
extern PTR sbrk PARAMS ((int));
+#endif
/* The mmalloc() package can use a single implicit malloc descriptor
for mmalloc/mrealloc/mfree operations which do not supply an explicit