diff --git a/Utilities/cmlibuv/src/unix/process.c b/Utilities/cmlibuv/src/unix/process.c
index 0de5c4695b..30872cf7d9 100644
--- a/Utilities/cmlibuv/src/unix/process.c
+++ b/Utilities/cmlibuv/src/unix/process.c
@@ -75,7 +75,9 @@ extern char **environ;
 #endif
 #endif
 
-#if defined(__APPLE__) || \
+#ifdef CMAKE_BOOTSTRAP
+#define UV_USE_SIGCHLD
+#elif defined(__APPLE__) || \
     defined(__DragonFly__) || \
     defined(__FreeBSD__) || \
     defined(__NetBSD__) || \