add CUNKNOWN make variables to entry Makefiles

2011/richards/Makefile

@@ -41,9 +41,13 @@ include ../../var.mk
 CSILENCE= -Wno-error -Wno-implicit-function-declaration -Wno-parentheses \
 	  -Wno-incompatible-pointer-types -Wno-implicit-fallthrough
 
+# Attempt to silence unknown warnings
+#
+CUNKNOWN= -Wno-unknown-warning-option
+
 # Common C compiler warning flags
 #
-CWARN= -Wall -Wextra ${CSILENCE}
+CWARN= -Wall -Wextra ${CSILENCE} ${CUNKNOWN}
 
 # Compiler standard
 #
@@ -51,9 +55,6 @@ CSTD= -std=gnu99
 
 # Compiler bit architecture
 #
-# Some entries require 32-bitness: ARCH= -m32
-# Some entries require 64-bitness: ARCH= -m64
-#
 ARCH=
 
 # Defines that are needed to compile
@@ -87,8 +88,7 @@ ifeq "$(findstring $(CLANG),${CC})" "$(CLANG)"
 CSILENCE+= -Wno-cast-align -Wno-missing-prototypes -Wno-missing-variable-declarations \
 	   -Wno-pedantic -Wno-poison-system-directories -Wno-shadow \
 	   -Wno-shorten-64-to-32 -Wno-sign-conversion -Wno-strict-prototypes \
-	   -Wno-undef -Wno-alloca -Wno-cast-function-type-strict -Wno-unsafe-buffer-usage \
-	   -Wno-unknown-warning-option
+	   -Wno-undef -Wno-alloca -Wno-cast-function-type-strict -Wno-unsafe-buffer-usage
 #
 CWARN+= -Weverything
 #