add CUNKNOWN make variables to entry Makefiles

1986/marshall/Makefile

@@ -44,11 +44,15 @@ CSILENCE= -Wno-error -Wno-implicit-function-declaration -Wno-implicit-int \
 	  -Wno-deprecated-non-prototype -Wno-pointer-to-int-cast -Wno-return-type \
           -Wno-strict-prototypes -Wno-uninitialized -Wno-unused-parameter \
 	  -Wno-address -Wno-builtin-declaration-mismatch -Wno-sequence-point \
-	  -Wno-unknown-warning-option -Wno-int-to-pointer-cast
+	  -Wno-int-to-pointer-cast
+
+# Attempt to silence unknown warnings
+#
+CUNKNOWN= -Wno-unknown-warning-option
 
 # Common C compiler warning flags
 #
-CWARN= -Wall -Wextra -pedantic ${CSILENCE}
+CWARN= -Wall -Wextra ${CSILENCE} ${CUNKNOWN}
 
 # Compiler standard
 #
@@ -56,9 +60,6 @@ CSTD= -std=gnu89
 
 # Compiler bit architecture
 #
-# Some entries require 32-bitness: ARCH= -m32
-# Some entries require 64-bitness: ARCH= -m64
-#
 ARCH=
 
 # Defines that are needed to compile
@@ -93,7 +94,7 @@ ifeq "$(findstring $(CLANG),${CC})" "$(CLANG)"
 #
 CSILENCE+= -Wno-missing-prototypes -Wno-missing-variable-declarations \
 	   -Wno-poison-system-directories -Wno-strict-prototypes -Wno-unreachable-code \
-	   -Wno-extra-semi-stmt -Wno-unsafe-buffer-usage -Wno-unknown-warning-option
+	   -Wno-extra-semi-stmt -Wno-unsafe-buffer-usage
 #
 CWARN+= -Weverything
 #