diff --git a/gcc/ginclude/va-alpha.h b/gcc/ginclude/va-alpha.h
index 75cd6cd327c..da23988697c 100644
--- a/gcc/ginclude/va-alpha.h
+++ b/gcc/ginclude/va-alpha.h
@@ -28,7 +28,7 @@ typedef struct {
 
 /* varargs support */
 #define va_alist __builtin_va_alist
-#define va_dcl
+#define va_dcl	 int __builtin_va_alist;...
 #define va_start(pvar) ((pvar) = * (__gnuc_va_list *) __builtin_saveregs ())
 
 #else /* STDARG.H */
diff --git a/gcc/ginclude/va-m88k.h b/gcc/ginclude/va-m88k.h
index 480fef08d2a..9940b928b68 100644
--- a/gcc/ginclude/va-m88k.h
+++ b/gcc/ginclude/va-m88k.h
@@ -43,7 +43,7 @@ typedef struct
     (AP).__va_arg = (int) (__builtin_argsize() - 4 + 3) / 4 )
 #endif
 #define va_alist __va_1st_arg
-#define va_dcl register int va_alist;
+#define va_dcl register int va_alist;...
 
 #endif /* _STDARG_H */
 
diff --git a/gcc/ginclude/va-sparc.h b/gcc/ginclude/va-sparc.h
index db2e28d319b..ba79c58d0d6 100644
--- a/gcc/ginclude/va-sparc.h
+++ b/gcc/ginclude/va-sparc.h
@@ -36,7 +36,7 @@ typedef void * __gnuc_va_list;
 #else
 
 #define va_alist  __builtin_va_alist
-#define va_dcl    int __builtin_va_alist;
+#define va_dcl    int __builtin_va_alist;...
 
 #ifdef __GCC_NEW_VARARGS__
 #define va_start(AP)		((AP) = (char *) __builtin_saveregs ())