diff --git a/src/ca/CASG.cpp b/src/ca/CASG.cpp
index 8dd808c21..faebbcda0 100644
--- a/src/ca/CASG.cpp
+++ b/src/ca/CASG.cpp
@@ -278,7 +278,7 @@ void CASG::exception ( int status, const char *pContext,
         lineNo, chan, type, count, op );
 }
 
-void * CASG::operator new ( size_t )
+void * CASG::operator new ( size_t ) // X aCC 361
 {
     // The HPUX compiler seems to require this even though no code
     // calls it directly
diff --git a/src/ca/access.cpp b/src/ca/access.cpp
index 9578bdc96..454642378 100644
--- a/src/ca/access.cpp
+++ b/src/ca/access.cpp
@@ -776,7 +776,7 @@ void epicsShareAPI ca_signal ( long ca_status, const char *message )
  * (if they call this routine again).
  */
 // extern "C"
-const char * epicsShareAPI ca_message ( long ca_status )
+const char * epicsShareAPI ca_message ( long ca_status ) // X aCC 361
 {
     unsigned msgNo = CA_EXTRACT_MSG_NO ( ca_status );
 
diff --git a/src/ca/bhe.cpp b/src/ca/bhe.cpp
index 539ee5484..8c9467e91 100644
--- a/src/ca/bhe.cpp
+++ b/src/ca/bhe.cpp
@@ -246,7 +246,7 @@ void bhe::unregisterIIU ( tcpiiu & iiu )
     this->averagePeriod = - DBL_MAX;
 }
 
-void * bhe::operator new ( size_t )
+void * bhe::operator new ( size_t ) // X aCC 361
 {
     // The HPUX compiler seems to require this even though no code
     // calls it directly
diff --git a/src/ca/comQueRecv.cpp b/src/ca/comQueRecv.cpp
index fa84386de..4c47504e0 100644
--- a/src/ca/comQueRecv.cpp
+++ b/src/ca/comQueRecv.cpp
@@ -159,8 +159,8 @@ epicsUInt32 comQueRecv::multiBufferPopUInt32 ()
         unsigned byte3 = this->popUInt8();
         unsigned byte4 = this->popUInt8();
         tmp = static_cast <epicsUInt32>
-            ( ( byte1 << 24u ) | ( byte2 << 16u ) | 
-                ( byte3 << 8u ) | byte4 ); //X aCC 392
+            ( ( byte1 << 24u ) | ( byte2 << 16u ) | //X aCC 392
+              ( byte3 << 8u ) | byte4 );
     }
     else {
         comBuf::throwInsufficentBytesException ();
diff --git a/src/ca/getCallback.cpp b/src/ca/getCallback.cpp
index 120652fe9..45a465da1 100644
--- a/src/ca/getCallback.cpp
+++ b/src/ca/getCallback.cpp
@@ -71,7 +71,7 @@ void getCallback::exception (
     this->chan.getClientCtx().destroyGetCallback ( *this );
 }
 
-void * getCallback::operator new ( size_t )
+void * getCallback::operator new ( size_t ) // X aCC 361
 {
     // The HPUX compiler seems to require this even though no code
     // calls it directly
diff --git a/src/ca/getCopy.cpp b/src/ca/getCopy.cpp
index 833f51b8a..ab18f74a6 100644
--- a/src/ca/getCopy.cpp
+++ b/src/ca/getCopy.cpp
@@ -88,7 +88,7 @@ void getCopy::show ( unsigned level ) const
     }
 }
 
-void * getCopy::operator new ( size_t )
+void * getCopy::operator new ( size_t ) // X aCC 361
 {
     // The HPUX compiler seems to require this even though no code
     // calls it directly
diff --git a/src/ca/msgForMultiplyDefinedPV.cpp b/src/ca/msgForMultiplyDefinedPV.cpp
index dd15fb3c5..bfc6cd794 100644
--- a/src/ca/msgForMultiplyDefinedPV.cpp
+++ b/src/ca/msgForMultiplyDefinedPV.cpp
@@ -68,7 +68,7 @@ void msgForMultiplyDefinedPV::operator delete ( void *pCadaver,
 }
 #endif
 
-void * msgForMultiplyDefinedPV::operator new ( size_t )
+void * msgForMultiplyDefinedPV::operator new ( size_t ) // X aCC 361
 {
     // The HPUX compiler seems to require this even though no code
     // calls it directly
diff --git a/src/ca/msgForMultiplyDefinedPV.h b/src/ca/msgForMultiplyDefinedPV.h
index d42491983..e029b08f9 100644
--- a/src/ca/msgForMultiplyDefinedPV.h
+++ b/src/ca/msgForMultiplyDefinedPV.h
@@ -31,7 +31,7 @@
 #include "tsFreeList.h"
 #include "cxxCompilerDependencies.h"
 
-class callbackForMultiplyDefinedPV {
+class callbackForMultiplyDefinedPV { // X aCC 655
 public:
     virtual ~callbackForMultiplyDefinedPV () = 0;
     virtual void pvMultiplyDefinedNotify ( 
diff --git a/src/ca/nciu.cpp b/src/ca/nciu.cpp
index aae0fb0dc..5429a10eb 100644
--- a/src/ca/nciu.cpp
+++ b/src/ca/nciu.cpp
@@ -84,7 +84,7 @@ void nciu::destroy ()
     this->cacCtx.destroyChannel ( *this );
 }
 
-void * nciu::operator new ( size_t )
+void * nciu::operator new ( size_t ) // X aCC 361
 {
     // The HPUX compiler seems to require this even though no code
     // calls it directly
diff --git a/src/ca/netReadNotifyIO.cpp b/src/ca/netReadNotifyIO.cpp
index fe9e1ae06..82e33a6f4 100644
--- a/src/ca/netReadNotifyIO.cpp
+++ b/src/ca/netReadNotifyIO.cpp
@@ -80,7 +80,7 @@ nciu & netReadNotifyIO::channel () const
     return this->chan;
 }
 
-void * netReadNotifyIO::operator new ( size_t )
+void * netReadNotifyIO::operator new ( size_t ) // X aCC 361
 {
     // The HPUX compiler seems to require this even though no code
     // calls it directly
diff --git a/src/ca/netSubscription.cpp b/src/ca/netSubscription.cpp
index 866d6e136..ab6e6e233 100644
--- a/src/ca/netSubscription.cpp
+++ b/src/ca/netSubscription.cpp
@@ -93,7 +93,7 @@ nciu & netSubscription::channel () const
     return this->chan;
 }
 
-void * netSubscription::operator new ( size_t )
+void * netSubscription::operator new ( size_t ) // X aCC 361
 {
     // The HPUX compiler seems to require this even though no code
     // calls it directly
diff --git a/src/ca/netWriteNotifyIO.cpp b/src/ca/netWriteNotifyIO.cpp
index da939fb8c..e70e12047 100644
--- a/src/ca/netWriteNotifyIO.cpp
+++ b/src/ca/netWriteNotifyIO.cpp
@@ -81,7 +81,7 @@ nciu & netWriteNotifyIO::channel () const
     return this->chan;
 }
 
-void * netWriteNotifyIO::operator new ( size_t )
+void * netWriteNotifyIO::operator new ( size_t ) // X aCC 361
 {
     // The HPUX compiler seems to require this even though no code
     // calls it directly
diff --git a/src/ca/oldChannelNotify.cpp b/src/ca/oldChannelNotify.cpp
index b6172929f..b682ab365 100644
--- a/src/ca/oldChannelNotify.cpp
+++ b/src/ca/oldChannelNotify.cpp
@@ -183,7 +183,7 @@ void oldChannelNotify::writeException ( int status, const char *pContext,
         __FILE__, __LINE__, *this, type, count, CA_OP_PUT );
 }
 
-void * oldChannelNotify::operator new ( size_t )
+void * oldChannelNotify::operator new ( size_t ) // X aCC 361
 {
     // The HPUX compiler seems to require this even though no code
     // calls it directly
diff --git a/src/ca/putCallback.cpp b/src/ca/putCallback.cpp
index 49dd0e080..669747518 100644
--- a/src/ca/putCallback.cpp
+++ b/src/ca/putCallback.cpp
@@ -71,7 +71,7 @@ void putCallback::exception (
     this->chan.getClientCtx().destroyPutCallback ( *this );
 }
 
-void * putCallback::operator new ( size_t )
+void * putCallback::operator new ( size_t ) // X aCC 361
 {
     // The HPUX compiler seems to require this even though no code
     // calls it directly
diff --git a/src/ca/repeater.cpp b/src/ca/repeater.cpp
index 87327796c..31cf4245c 100644
--- a/src/ca/repeater.cpp
+++ b/src/ca/repeater.cpp
@@ -249,7 +249,7 @@ repeaterClient::~repeaterClient ()
     debugPrintf ( ( "Deleted client %u\n", epicsNTOH16 ( this->from.ia.sin_port ) ) );
 }
 
-void * repeaterClient::operator new ( size_t )
+void * repeaterClient::operator new ( size_t ) // X aCC 361
 {
     // The HPUX compiler seems to require this even though no code
     // calls it directly