1 files changed, 2 insertions, 0 deletions
diff --git a/perlapi.c b/perlapi.c
index c5f91b48a8..776025530f 100644
--- a/perlapi.c
+++ b/perlapi.c
@@ -43,6 +43,8 @@ START_EXTERN_C
 #else
 #endif
 #if defined(USE_ITHREADS)
+#  if defined(USE_IMPLICIT_SYS)
+#  endif
 #endif
 #if defined(MYMALLOC)
 #endif