1 files changed, 4 insertions, 0 deletions
diff --git a/newlib/libc/syscalls/syssbrk.c b/newlib/libc/syscalls/syssbrk.c
index a3e550579..de368678e 100644
--- a/newlib/libc/syscalls/syssbrk.c
+++ b/newlib/libc/syscalls/syssbrk.c
@@ -10,5 +10,9 @@ void *
 _DEFUN (sbrk, (incr),
      ptrdiff_t incr)
 {
+#ifdef REENTRANT_SYSCALLS_PROVIDED
   return _sbrk_r (_REENT, incr);
+#else
+  return _sbrk (incr);
+#endif
 }