8516 Suppress gcc errors with -Wno- in Makefile for usr/src/cmd

@@ -18,10 +18,11 @@
 #
 # CDDL HEADER END
 #
 
 #
+# Copyright 2017 Gary Mills
 # Copyright 2010 Sun Microsystems, Inc.  All rights reserved.
 # Use is subject to license terms.
 #
 
 LIBRARY =       libld.a

@@ -92,10 +93,14 @@
 CERRWARN += -_gcc=-Wno-uninitialized
 CERRWARN += -_gcc=-Wno-switch
 CERRWARN += -_gcc=-Wno-char-subscripts
 CERRWARN += -_gcc=-Wno-type-limits
 
+# Suppress the error for: _vdp
+pics/version32.o pics/version64.o := \
+    CERRWARN += -_gcc=-Wno-unused-but-set-variable
+
 # Location of the shared relocation engines maintained under usr/src/uts.
 #
 KRTLD_I386 = $(SRCBASE)/uts/$(VAR_PLAT_i386)/krtld
 KRTLD_AMD64 = $(SRCBASE)/uts/$(VAR_PLAT_amd64)/krtld
 KRTLD_SPARC = $(SRCBASE)/uts/$(VAR_PLAT_sparc)/krtld