diff --git a/cde/programs/dtcalc/calctool.h b/cde/programs/dtcalc/calctool.h
index c525ea18a..25833ded5 100644
--- a/cde/programs/dtcalc/calctool.h
+++ b/cde/programs/dtcalc/calctool.h
@@ -552,7 +552,9 @@ struct calcVars {                     /* Calctool variables and options. */
 #ifdef hpux
   int keybdID;
 #endif
-} CalcVars ;
+};
+
+extern struct calcVars CalcVars;
 
 typedef struct calcVars *Vars ;
 
@@ -568,7 +570,7 @@ typedef struct
    char *session;
 } ApplicationArgs, *ApplicationArgsPtr;
 
-ApplicationArgs application_args;
+extern ApplicationArgs application_args;
 
 /* MP definitions. */
 
diff --git a/cde/programs/dtcalc/motif.c b/cde/programs/dtcalc/motif.c
index 411d381f5..78b3f7291 100644
--- a/cde/programs/dtcalc/motif.c
+++ b/cde/programs/dtcalc/motif.c
@@ -112,6 +112,9 @@ extern XmWidgetExtData _XmGetWidgetExtData(
 #include "ds_popup.h"
 #include "ds_xlib.h"
 
+
+ApplicationArgs application_args;
+XVars X;
 Boolean colorSrv;
 
 static XtResource resources[] =
diff --git a/cde/programs/dtcalc/motif.h b/cde/programs/dtcalc/motif.h
index 8e571c8e7..4ded8c26d 100644
--- a/cde/programs/dtcalc/motif.h
+++ b/cde/programs/dtcalc/motif.h
@@ -87,7 +87,7 @@ typedef struct Xobject {            /* Motif/Xlib graphics object. */
 
 typedef struct Xobject *XVars ;
 
-XVars X ;
+extern XVars X ;
 
 #ifndef CDE_INSTALLATION_TOP
 #define CDE_INSTALLATION_TOP "/usr/dt"