--- openjdk.orig/hotspot/src/os/linux/vm/jvm_linux.cpp
+++ openjdk/hotspot/src/os/linux/vm/jvm_linux.cpp
@@ -154,7 +154,9 @@
 #ifdef SIGSTKFLT
   "STKFLT",     SIGSTKFLT,      /* Stack fault.  */
 #endif
+#ifdef SIGCLD
   "CLD",        SIGCLD,         /* Same as SIGCHLD (System V).  */
+#endif
   "CHLD",       SIGCHLD,        /* Child status has changed (POSIX).  */
   "CONT",       SIGCONT,        /* Continue (POSIX).  */
   "STOP",       SIGSTOP,        /* Stop, unblockable (POSIX).  */