1 files changed, 3 insertions, 0 deletions
diff --git a/indra/llcommon/llapp.h b/indra/llcommon/llapp.h
index 72b81f382c..963ea38249 100644
--- a/indra/llcommon/llapp.h
+++ b/indra/llcommon/llapp.h
@@ -39,8 +39,11 @@
 #include "lloptioninterface.h"
 
 // Forward declarations
+template <typename Type> class LLAtomic32;
+typedef LLAtomic32<U32> LLAtomicU32;
 class LLErrorThread;
 class LLLiveFile;
+typedef struct siginfo siginfo_t;
 
 typedef void (*LLAppErrorHandler)();
 typedef void (*LLAppChildCallback)(int pid, bool exited, int status);