1 files changed, 5 insertions, 1 deletions
diff --git a/utils/Signal.cc b/utils/Signal.cc
index 84a46c5..d03ff65 100644
--- a/utils/Signal.cc
+++ b/utils/Signal.cc
@@ -108,12 +108,16 @@ const int SigQuit = SIGQUIT;
 const int SigIll = SIGILL;
 const int SigTrap = SIGTRAP;
 const int SigAbrt = SIGABRT;
+#ifdef SIGEMT
 const int SigEmt = SIGEMT;
+#endif
 const int SigFpe = SIGFPE;
 const int SigKill = SIGKILL;
 const int SigBus = SIGBUS;
 const int SigSegv = SIGSEGV;
+#ifdef SIGSYS
 const int SigSys = SIGSYS;
+#endif
 const int SigPipe = SIGPIPE;
 const int SigAlrm = SIGALRM;
 const int SigTerm = SIGTERM;
@@ -128,7 +132,7 @@ const int SigCont = SIGCONT;
 const int SigTtin = SIGTTIN;
 const int SigTtou = SIGTTOU;
 const int SigUrg = SIGURG;
-#if !defined(__svr4__) && !defined(_SYSTYPE_SVR4)
+#ifdef SIGLOST
 const int SigLost = SIGLOST;
 #endif