silence compiler warnings for macOS

After silencing compiler warnings for RHEL 9 Linux,
we silence the result on macOS for
Apple clang version 15.0.0 (clang-1500.3.9.4).

1984/anonymous/Makefile

@@ -41,7 +41,8 @@ include ../../var.mk
 CSILENCE= -Wno-error -Wno-implicit-function-declaration -Wno-implicit-int \
 	  -Wno-return-type -Wno-string-plus-int -Wno-unsequenced \
 	  -Wno-deprecated-non-prototype -Wno-void-pointer-to-int-cast \
-	  -Wno-missing-parameter-type -Wno-pointer-to-int-cast
+	  -Wno-missing-parameter-type -Wno-pointer-to-int-cast \
+	  -Wno-unknown-warning-option
 
 # Common C compiler warning flags
 #

1984/laman/Makefile

@@ -40,7 +40,8 @@ include ../../var.mk
 #
 CSILENCE= -Wno-error -Wno-implicit-function-declaration -Wno-implicit-int \
 	  -Wno-deprecated-non-prototype -Wno-misleading-indentation \
-	  -Wno-builtin-declaration-mismatch -Wno-sequence-point
+	  -Wno-builtin-declaration-mismatch -Wno-sequence-point \
+	  -Wno-unknown-warning-option
 
 # Common C compiler warning flags
 #

1984/mullender/Makefile

@@ -39,7 +39,7 @@ include ../../var.mk
 # Common C compiler warnings to silence
 #
 CSILENCE= -Wno-main -Wno-deprecated-non-prototype -Wno-missing-parameter-type \
-	  -Wno-return-type
+	  -Wno-return-type -Wno-unknown-warning-option
 
 # Common C compiler warning flags
 #

1985/applin/Makefile

@@ -40,7 +40,8 @@ include ../../var.mk
 #
 CSILENCE= -Wno-error -Wno-implicit-function-declaration -Wno-logical-op-parentheses \
 	  -Wno-deprecated-non-prototype -Wno-implicit-int -Wno-parentheses -Wno-return-type \
-	  -Wno-builtin-declaration-mismatch -Wno-format -Wno-missing-parameter-type
+	  -Wno-builtin-declaration-mismatch -Wno-format -Wno-missing-parameter-type \
+	  -Wno-unknown-warning-option
 
 # Common C compiler warning flags
 #

1985/august/Makefile

@@ -41,7 +41,7 @@ include ../../var.mk
 CSILENCE= -Wno-error -Wno-implicit-function-declaration -Wno-main \
 	  -Wno-unused-parameter -Wno-unused-variable -Wno-deprecated-non-prototype \
 	  -Wno-implicit-int -Wno-builtin-declaration-mismatch -Wno-missing-parameter-type \
-          -Wno-return-type
+          -Wno-return-type -Wno-unknown-warning-option
 
 # Common C compiler warning flags
 #

1985/sicherman/Makefile

@@ -42,7 +42,8 @@ CSILENCE= -Wno-comment -Wno-deprecated-non-prototype -Wno-main -Wno-pedantic \
 	  -Wno-return-type -Wno-strict-prototypes -Wno-unused-parameter \
 	  -Wno-implicit-int -Wno-implicit-function-declaration -Wno-unused-value \
 	  -Wno-multichar -Wno-uninitialized -Wno-unused-but-set-parameter \
-	  -Wno-parentheses -Wno-int-conversion -Wno-missing-parameter-type
+	  -Wno-parentheses -Wno-int-conversion -Wno-missing-parameter-type \
+	  -Wno-unknown-warning-option
 
 # Common C compiler warning flags
 #

1986/bright/Makefile

@@ -42,7 +42,8 @@ CSILENCE= -Wno-error -Wno-implicit-function-declaration -Wno-format-security \
 	  -Wno-implicit-int -Wno-unknown-escape-sequence -Wno-unused-value \
 	  -Wno-sign-compare -Wno-deprecated-non-prototype \
 	  -Wno-builtin-declaration-mismatch -Wno-misleading-indentation \
-          -Wno-missing-parameter-type -Wno-return-type
+          -Wno-missing-parameter-type -Wno-return-type \
+	  -Wno-unknown-warning-option
 
 # Common C compiler warning flags
 #

1986/hague/Makefile

@@ -41,7 +41,8 @@ include ../../var.mk
 CSILENCE= -Wno-error -Wno-implicit-function-declaration -Wno-implicit-int \
 	  -Wno-incompatible-library-redeclaration -Wno-return-type \
 	  -Wno-deprecated-declarations -Wno-deprecated-non-prototype \
-	  -Wno-builtin-declaration-mismatch -Wno-missing-parameter-type
+	  -Wno-builtin-declaration-mismatch -Wno-missing-parameter-type \
+	  -Wno-unknown-warning-option
 
 # Common C compiler warning flags
 #

1986/holloway/Makefile

@@ -41,7 +41,8 @@ include ../../var.mk
 CSILENCE= -Wno-format-security -Wno-implicit-int -Wno-int-to-pointer-cast \
 	  -Wno-pointer-to-int-cast -Wno-deprecated-non-prototype \
 	  -Wno-incompatible-pointer-types -Wno-implicit-fallthrough \
-	  -Wno-missing-parameter-type -Wno-return-type
+	  -Wno-missing-parameter-type -Wno-return-type \
+	  -Wno-unknown-warning-option
 
 # Common C compiler warning flags
 #

1986/marshall/Makefile

@@ -43,7 +43,8 @@ CSILENCE= -Wno-error -Wno-implicit-function-declaration -Wno-implicit-int \
 	  -Wno-string-compare -Wno-unsequenced -Wno-unused-value \
 	  -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-address -Wno-builtin-declaration-mismatch -Wno-sequence-point \
+	  -Wno-unknown-warning-option
 
 # Common C compiler warning flags
 #

1986/stein/Makefile

@@ -40,7 +40,8 @@ include ../../var.mk
 #
 CSILENCE= -Wno-error -Wno-implicit-function-declaration -Wno-implicit-int \
 	  -Wno-int-conversion -Wno-deprecated-non-prototype \
-	  -Wno-missing-parameter-type -Wno-return-type
+	  -Wno-missing-parameter-type -Wno-return-type \
+	  -Wno-unknown-warning-option
 
 # Common C compiler warning flags
 #

1986/wall/Makefile

@@ -43,7 +43,7 @@ CSILENCE= -Wno-error -Wno-implicit-function-declaration -Wno-implicit-int \
 	  -Wno-deprecated-non-prototype -Wno-strict-prototypes \
 	  -Wno-string-plus-char -Wno-macro-redefined \
 	  -Wno-builtin-declaration-mismatch -Wno-pedantic \
-	  -Wno-implicit-fallthrough -Wno-return-type
+	  -Wno-implicit-fallthrough -Wno-return-type -Wno-unknown-warning-option
 
 # Common C compiler warning flags
 #

1987/heckbert/Makefile

@@ -42,7 +42,7 @@ CSILENCE= -Wno-empty-body -Wno-error -Wno-implicit-function-declaration -Wno-imp
 	  -Wno-int-to-pointer-cast -Wno-logical-op-parentheses -Wno-deprecated-non-prototype \
 	  -Wno-builtin-declaration-mismatch -Wno-misleading-indentation \
           -Wno-missing-parameter-type -Wno-parentheses -Wno-return-type \
-          -Wno-unused-value
+          -Wno-unused-value -Wno-unknown-warning-option
 
 # Common C compiler warning flags
 #

1987/hines/Makefile

@@ -40,7 +40,7 @@ include ../../var.mk
 #
 CSILENCE= -Wno-error -Wno-implicit-function-declaration -Wno-deprecated-non-prototype \
 	  -Wno-implicit-int -Wno-builtin-declaration-mismatch -Wno-misleading-indentation \
-          -Wno-return-type
+          -Wno-return-type -Wno-unknown-warning-option
 
 # Common C compiler warning flags
 #

1987/korn/Makefile

@@ -40,7 +40,8 @@ include ../../var.mk
 #
 CSILENCE= -Wno-error -Wno-implicit-function-declaration -Wno-implicit-int -Dunix=1 \
 	  -Wno-string-plus-int -Wno-strict-prototypes -Wno-return-type \
-	  -Wno-builtin-declaration-mismatch -Wno-format-contains-nul
+	  -Wno-builtin-declaration-mismatch -Wno-format-contains-nul \
+	  -Wno-unknown-warning-option
 
 # Common C compiler warning flags
 #

1987/lievaart/Makefile

@@ -40,7 +40,7 @@ include ../../var.mk
 #
 CSILENCE= -Wno-error -Wno-implicit-function-declaration -Wno-implicit-int \
 	  -Wno-deprecated-non-prototype -Wno-maybe-uninitialized -Wno-misleading-indentation \
-          -Wno-missing-parameter-type -Wno-return-type
+          -Wno-missing-parameter-type -Wno-return-type -Wno-unknown-warning-option
 
 # Common C compiler warning flags
 #

1987/westley/Makefile

@@ -40,7 +40,8 @@ include ../../var.mk
 #
 CSILENCE= -Wno-for-loop-analysis -Wno-unused-value \
 	  -Wno-deprecated-non-prototype -Wno-strict-prototypes -Wno-implicit-int \
-	  -Wno-int-in-bool-context -Wno-maybe-uninitialized -Wno-return-type
+	  -Wno-int-in-bool-context -Wno-maybe-uninitialized -Wno-return-type \
+	  -Wno-unknown-warning-option
 
 # Common C compiler warning flags
 #

1988/dale/Makefile

@@ -41,7 +41,8 @@ include ../../var.mk
 CSILENCE= -Wno-implicit-function-declaration -Wno-implicit-int -Wno-keyword-macro \
 	  -Wno-pointer-to-int-cast -Wno-return-type -Wno-unused-value \
 	  -Wno-deprecated-non-prototype -Wno-builtin-declaration-mismatch \
-	  -Wno-implicit-fallthrough -Wno-missing-parameter-type
+	  -Wno-implicit-fallthrough -Wno-missing-parameter-type \
+	  -Wno-unknown-warning-option
 
 # Common C compiler warning flags
 #

1988/isaak/Makefile

@@ -43,7 +43,8 @@ CSILENCE= -Wno-comma -Wno-implicit-function-declaration -Wno-format-insufficient
 	  -Wno-missing-variable-declarations -Wno-poison-system-directories -Wno-return-type \
 	  -Wno-shadow -Wno-shift-op-parentheses -Wno-strict-prototypes -Wno-unreachable-code \
 	  -Wno-unused-macros -Wno-int-conversion -Wno-macro-redefined -Wno-parentheses \
-	  -Wno-builtin-declaration-mismatch -Wno-format -Wno-missing-parameter-type
+	  -Wno-builtin-declaration-mismatch -Wno-format -Wno-missing-parameter-type \
+	  -Wno-unknown-warning-option
 
 # Common C compiler warning flags
 #

1988/phillipps/Makefile

@@ -42,7 +42,7 @@ CSILENCE= -Wno-pedantic -Wno-logical-not-parentheses -Wno-implicit-function-decl
 	  -Wno-incompatible-pointer-types -Wno-int-conversion -Wno-pointer-to-int-cast \
 	  -Wno-pointer-integer-compare -Wno-compare-distinct-pointer-types \
 	  -Wno-deprecated-non-prototype -Wno-implicit-int -Wno-missing-parameter-type \
-	  -Wno-return-type
+	  -Wno-return-type -Wno-unknown-warning-option
 
 # Common C compiler warning flags
 #

1988/reddy/Makefile

@@ -40,7 +40,7 @@ include ../../var.mk
 #
 CSILENCE= -Wno-pedantic -Wno-error -Wno-implicit-function-declaration -Wno-parentheses \
 	  -Wno-return-type -Wno-deprecated-declarations -Wno-deprecated-non-prototype \
-	  -Wno-implicit-int -Wno-missing-parameter-type
+	  -Wno-implicit-int -Wno-missing-parameter-type -Wno-unknown-warning-option
 
 # Common C compiler warning flags
 #

1988/robison/Makefile

@@ -40,7 +40,7 @@ include ../../var.mk
 #
 CSILENCE= -Wno-error -Wno-implicit-function-declaration -Wno-deprecated-non-prototype \
 	  -Wno-implicit-int -Wno-misleading-indentation -Wno-missing-parameter-type \
-	  -Wno-return-type
+	  -Wno-return-type -Wno-unknown-warning-option
 
 # Common C compiler warning flags
 #

1989/jar.2/Makefile

@@ -41,7 +41,7 @@ include ../../var.mk
 CSILENCE= -Wno-implicit-function-declaration -Wno-missing-braces -Wno-parentheses \
 	  -Wno-deprecated-non-prototype -Wno-pedantic -Wno-strict-prototypes \
 	  -Wno-implicit-int -Wno-builtin-declaration-mismatch \
-	  -Wno-misleading-indentation -Wno-return-type
+	  -Wno-misleading-indentation -Wno-return-type -Wno-unknown-warning-option
 
 # Common C compiler warning flags
 #

1989/paul/Makefile

@@ -42,7 +42,7 @@ CSILENCE= -Wno-error -Wno-implicit-function-declaration -Wno-format-security \
 	  -Wno-incompatible-library-redeclaration -Wno-int-to-pointer-cast \
 	  -Wno-pointer-to-int-cast -Wno-return-type -Wno-deprecated-non-prototype \
 	  -Wno-implicit-int -Wno-builtin-declaration-mismatch -Wno-misleading-indentation \
-          -Wno-missing-parameter-type -Wno-parentheses
+          -Wno-missing-parameter-type -Wno-parentheses -Wno-unknown-warning-option
 
 # Common C compiler warning flags
 #

1989/vanb/Makefile

@@ -40,7 +40,7 @@ include ../../var.mk
 #
 CSILENCE= -Wno-char-subscripts -Wno-error -Wno-implicit-function-declaration -Wno-pedantic \
 	  -Wno-deprecated-non-prototype -Wno-implicit-int -Wno-missing-parameter-type \
-	  -Wno-return-type
+	  -Wno-return-type -Wno-unknown-warning-option
 
 # Common C compiler warning flags
 #

1990/baruch/Makefile

@@ -41,7 +41,7 @@ include ../../var.mk
 CSILENCE= -Wno-error -Wno-implicit-function-declaration -Wno-logical-op-parentheses \
 	  -Wno-string-plus-int -Wno-strict-prototypes -Wno-implicit-int \
 	  -Wno-builtin-declaration-mismatch -Wno-misleading-indentation \
-          -Wno-parentheses -Wno-return-type
+          -Wno-parentheses -Wno-return-type -Wno-unknown-warning-option
 
 # Common C compiler warning flags
 #

1990/cmills/Makefile

@@ -42,7 +42,8 @@ CSILENCE= -Wno-deprecated-declarations -Wno-parentheses -Wno-error \
 	  -Wno-implicit-function-declaration -Wno-format-security -Wno-return-type \
 	  -Wno-unused-value -Wno-deprecated-non-prototype -Wno-implicit-int \
 	  -Wno-builtin-declaration-mismatch -Wno-misleading-indentation \
-          -Wno-missing-parameter-type -Wno-multistatement-macros
+          -Wno-missing-parameter-type -Wno-multistatement-macros \
+	  -Wno-unknown-warning-option
 
 # Common C compiler warning flags
 #

1990/dds/Makefile

@@ -43,7 +43,7 @@ CSILENCE= -Wno-builtin-requires-header -Wno-char-subscripts \
 	  -Wno-implicit-function-declaration -Wno-incompatible-library-redeclaration \
 	  -Wno-parentheses -Wno-implicit-int -Wno-deprecated-non-prototype \
 	  -Wno-return-type -Wno-strict-prototypes -Wno-builtin-declaration-mismatch \
-	  -Wno-misleading-indentation -Wno-unused-value
+	  -Wno-misleading-indentation -Wno-unused-value -Wno-unknown-warning-option
 
 # Common C compiler warning flags
 #

1990/dg/Makefile

@@ -39,7 +39,8 @@ include ../../var.mk
 # Common C compiler warnings to silence
 #
 CSILENCE= -Wno-invalid-pp-token -Wno-strict-prototypes -Wno-implicit-int \
-	  -Wno-builtin-declaration-mismatch -Wno-parentheses -Wno-return-type
+	  -Wno-builtin-declaration-mismatch -Wno-parentheses -Wno-return-type \
+	  -Wno-unknown-warning-option
 
 # Common C compiler warning flags
 #

1990/jaw/Makefile

@@ -42,7 +42,7 @@ CSILENCE= -Wno-bitwise-op-parentheses -Wno-error -Wno-implicit-function-declarat
 	  -Wno-logical-op-parentheses -Wno-parentheses -Wno-return-type \
 	  -Wno-shift-op-parentheses -Wno-deprecated-non-prototype -Wno-implicit-int \
 	  -Wno-misleading-indentation -Wno-missing-parameter-type \
-          -Wno-multistatement-macros -Wno-unused-value
+          -Wno-multistatement-macros -Wno-unused-value -Wno-unknown-warning-option
 
 # Common C compiler warning flags
 #

1990/scjones/Makefile

@@ -41,7 +41,8 @@ include ../../var.mk
 CSILENCE= -Wno-invalid-pp-token -Wno-trigraphs -Wno-deprecated-non-prototype \
 	  -Wno-pedantic -Wno-strict-prototypes -Wno-implicit-int \
 	  -Wno-implicit-fallthrough -Wno-misleading-indentation \
-          -Wno-missing-parameter-type -Wno-return-type -Wno-unused-value
+          -Wno-missing-parameter-type -Wno-return-type -Wno-unused-value \
+	  -Wno-unknown-warning-option
 
 # Common C compiler warning flags
 #

1990/tbr/Makefile

@@ -41,7 +41,7 @@ include ../../var.mk
 CSILENCE= -Wno-char-subscripts -Wno-error -Wno-implicit-function-declaration \
 	  -Wno-unused-value -Wno-deprecated-non-prototype -Wno-return-type -Wno-implicit-int \
 	  -Wno-empty-body -Wno-builtin-declaration-mismatch -Wno-missing-parameter-type \
-          -Wno-parentheses -Wno-stringop-overflow
+          -Wno-parentheses -Wno-stringop-overflow -Wno-unknown-warning-option
 
 # Common C compiler warning flags
 #

1990/westley/Makefile

@@ -42,7 +42,8 @@ CSILENCE= -Wno-char-subscripts -Wno-error -Wno-implicit-function-declaration \
 	  -Wno-unused-value -Wno-unused-variable -Wno-deprecated-non-prototype \
 	  -Wno-uninitialized -Wno-implicit-int -Wno-switch-unreachable \
 	  -Wno-builtin-declaration-mismatch -Wno-implicit-fallthrough \
-          -Wno-int-in-bool-context -Wno-overflow -Wno-parentheses -Wno-return-type
+          -Wno-int-in-bool-context -Wno-overflow -Wno-parentheses -Wno-return-type \
+	  -Wno-unknown-warning-option
 
 # Common C compiler warning flags
 #

1991/ant/Makefile

@@ -42,7 +42,7 @@ CSILENCE= -Wno-error -Wno-implicit-function-declaration -Wno-empty-body \
 	  -Wno-implicit-function-declaration -Wno-return-type \
 	  -Wno-deprecated-non-prototype -Wno-implicit-int \
 	  -Wno-misleading-indentation -Wno-missing-parameter-type \
-	  -Wno-unused-value
+	  -Wno-unused-value -Wno-unknown-warning-option
 
 # Common C compiler warning flags
 #

1991/brnstnd/Makefile

@@ -41,7 +41,7 @@ include ../../var.mk
 CSILENCE= -Wno-c99-extensions -Wno-error -Wno-implicit-function-declaration \
 	  -Wno-parentheses -Wno-return-type -Wno-deprecated-non-prototype \
 	  -Wno-unused-value -Wno-implicit-int -Wno-builtin-declaration-mismatch \
-	  -Wno-pedantic
+	  -Wno-pedantic -Wno-unknown-warning-option
 
 # Common C compiler warning flags
 #

1991/buzzard/Makefile

@@ -43,7 +43,7 @@ CSILENCE= -Wno-char-subscripts -Wno-error -Wno-implicit-function-declaration \
 	  -Wno-return-type -Wno-unknown-escape-sequence -Wno-unused-value \
 	  -Wno-deprecated-non-prototype -Wno-implicit-int \
 	  -Wno-builtin-declaration-mismatch -Wno-misleading-indentation \
-          -Wno-missing-parameter-type -Wno-parentheses
+          -Wno-missing-parameter-type -Wno-parentheses -Wno-unknown-warning-option
 
 # Common C compiler warning flags
 #

1991/dds/Makefile

@@ -40,7 +40,8 @@ include ../../var.mk
 #
 CSILENCE= -Wno-deprecated-non-prototype -Wno-unused-parameter \
 	  -Wno-error -Wno-implicit-function-declaration -Wno-implicit-int \
-	  -Wno-missing-parameter-type -Wno-return-type -Wno-unused-value
+	  -Wno-missing-parameter-type -Wno-return-type -Wno-unused-value \
+	  -Wno-unknown-warning-option
 
 # Common C compiler warning flags
 #

1991/fine/Makefile

@@ -41,7 +41,8 @@ include ../../var.mk
 CSILENCE= -Wno-bitwise-op-parentheses -Wno-error -Wno-implicit-function-declaration \
 	  -Wno-int-conversion -Wno-pointer-to-int-cast -Wno-implicit-int \
 	  -Wno-parentheses -Wno-return-type -Wno-deprecated-non-prototype \
-	  -Wno-disabled-macro-expansion -Wno-missing-parameter-type
+	  -Wno-disabled-macro-expansion -Wno-missing-parameter-type \
+	  -Wno-unknown-warning-option
 
 # Common C compiler warning flags
 #

1991/rince/Makefile

@@ -41,7 +41,7 @@ include ../../var.mk
 CSILENCE= -Wno-error -Wno-implicit-function-declaration -Wno-parentheses \
 	  -Wno-strict-prototypes -Wno-implicit-int -Wno-return-type \
 	  -Wno-unused-value -Wno-builtin-declaration-mismatch \
-	  -Wno-misleading-indentation
+	  -Wno-misleading-indentation -Wno-unknown-warning-option
 
 # Common C compiler warning flags
 #

1991/westley/Makefile

@@ -41,7 +41,8 @@ include ../../var.mk
 CSILENCE= -Wno-error -Wno-implicit-function-declaration -Wno-parentheses \
 	  -Wno-shift-op-parentheses -Wno-return-type \
 	  -Wno-deprecated-non-prototype -Wno-missing-braces -Wno-implicit-int \
-	  -Wno-misleading-indentation -Wno-missing-parameter-type -Wno-unused-value
+	  -Wno-misleading-indentation -Wno-missing-parameter-type -Wno-unused-value \
+	  -Wno-unknown-warning-option
 
 # Common C compiler warning flags
 #

1992/adrian/Makefile

@@ -44,7 +44,8 @@ CSILENCE= -Wno-bitwise-op-parentheses -Wno-comment -Wno-deprecated-declarations
 	  -Wno-return-type -Wno-uninitialized -Wno-unused-value -Wno-unused-variable \
 	  -Wno-unused-but-set-variable -Wno-unsequenced -Wno-unused-parameter \
 	  -Wno-empty-translation-unit -Wno-implicit-int \
-	  -Wno-builtin-declaration-mismatch -Wno-sequence-point
+	  -Wno-builtin-declaration-mismatch -Wno-sequence-point \
+	  -Wno-unknown-warning-option
 
 # Common C compiler warning flags
 #

1992/albert/Makefile

@@ -41,7 +41,8 @@ include ../../var.mk
 CSILENCE= -Wno-error -Wno-implicit-function-declaration -Wno-unused-parameter \
 	  -Wno-deprecated-non-prototype -Wno-implicit-int -Wno-logical-op-parentheses \
 	  -Wno-parentheses-equality -Wno-return-type \
-	  -Wno-builtin-declaration-mismatch -Wno-clobbered -Wno-parentheses
+	  -Wno-builtin-declaration-mismatch -Wno-clobbered -Wno-parentheses \
+	  -Wno-unknown-warning-option
 
 # Common C compiler warning flags
 #

1992/ant/Makefile

@@ -40,7 +40,7 @@ include ../../var.mk
 #
 CSILENCE= -Wno-error -Wno-implicit-function-declaration -Wno-unsequenced \
 	  -Wno-deprecated-non-prototype -Wno-strict-prototypes \
-	  -Wno-maybe-uninitialized
+	  -Wno-maybe-uninitialized -Wno-unknown-warning-option
 
 # Common C compiler warning flags
 #

1992/buzzard.1/Makefile

@@ -41,7 +41,7 @@ include ../../var.mk
 CSILENCE= -Wno-error -Wno-implicit-function-declaration -Wno-pedantic \
 	  -Wno-unused-parameter -Wno-deprecated-non-prototype -Wno-implicit-int \
 	  -Wno-builtin-declaration-mismatch -Wno-missing-parameter-type \
-          -Wno-return-type
+          -Wno-return-type -Wno-unknown-warning-option
 
 # Common C compiler warning flags
 #

1992/buzzard.2/Makefile

@@ -41,7 +41,7 @@ include ../../var.mk
 CSILENCE= -Wno-error -Wno-implicit-function-declaration -Wno-pedantic \
 	  -Wno-return-type -Wno-deprecated-non-prototype -Wno-implicit-int \
 	  -Wno-builtin-declaration-mismatch -Wno-misleading-indentation \
-          -Wno-missing-parameter-type
+          -Wno-missing-parameter-type -Wno-unknown-warning-option
 
 # Common C compiler warning flags
 #

1992/gson/Makefile

@@ -44,7 +44,7 @@ CSILENCE= -Wno-bitwise-op-parentheses -Wno-char-subscripts \
 	  -Wno-return-type -Wno-unused-parameter -Wno-unused-value \
 	  -Wno-deprecated-non-prototype -Wno-implicit-int \
 	  -Wno-int-in-bool-context -Wno-misleading-indentation \
-          -Wno-missing-parameter-type
+          -Wno-missing-parameter-type -Wno-unknown-warning-option
 
 # Common C compiler warning flags
 #

1992/imc/Makefile

@@ -40,7 +40,8 @@ include ../../var.mk
 #
 CSILENCE= -Wno-error -Wno-implicit-function-declaration -Wno-format \
 	  -Wno-deprecated-non-prototype -Wno-implicit-int -Wno-unused-value \
-	  -Wno-builtin-declaration-mismatch -Wno-return-type
+	  -Wno-builtin-declaration-mismatch -Wno-return-type \
+	  -Wno-unknown-warning-option
 
 # Common C compiler warning flags
 #

1992/kivinen/Makefile

@@ -42,7 +42,7 @@ CSILENCE= -Wno-bitwise-op-parentheses -Wno-error -Wno-implicit-function-declarat
 	  -Wno-logical-op-parentheses -Wno-main -Wno-variadic-macros \
 	  -Wno-deprecated-non-prototype -Wno-unused-parameter \
 	  -Wno-builtin-declaration-mismatch -Wno-maybe-uninitialized \
-          -Wno-misleading-indentation -Wno-parentheses
+          -Wno-misleading-indentation -Wno-parentheses -Wno-unknown-warning-option
 
 # Common C compiler warning flags
 #

1992/marangon/Makefile

@@ -47,7 +47,7 @@ CSILENCE= -Wno-bitwise-op-parentheses -Wno-error \
 	  -Wno-misleading-indentation -Wno-reserved-identifier \
 	  -Wno-builtin-declaration-mismatch -Wno-sequence-point \
 	  -Wno-unused-value -Wno-unsafe-buffer-usage \
-	  -Wno-implicit-int
+	  -Wno-implicit-int -Wno-unknown-warning-option
 
 # Common C compiler warning flags
 #

1992/vern/Makefile

@@ -42,7 +42,7 @@ CSILENCE= -Wno-bitwise-conditional-parentheses -Wno-dangling-else -Wno-error \
 	  -Wno-implicit-function-declaration -Wno-parentheses -Wno-pedantic \
 	  -Wno-return-type -Wno-shift-op-parentheses -Wno-deprecated-non-prototype \
 	  -Wno-int-in-bool-context -Wno-missing-parameter-type -Wno-unused-value \
-	  -Wno-implicit-int
+	  -Wno-implicit-int -Wno-unknown-warning-option
 
 # Common C compiler warning flags
 #

1992/westley/Makefile

@@ -41,7 +41,8 @@ include ../../var.mk
 CSILENCE= -Wno-bitwise-op-parentheses -Wno-error -Wno-implicit-function-declaration \
 	  -Wno-parentheses -Wno-pedantic -Wno-deprecated-non-prototype \
 	  -Wno-int-conversion -Wno-implicit-int -Wno-comma -Wno-missing-prototypes \
-	  -Wno-return-type -Wno-misleading-indentation -Wno-missing-parameter-type
+	  -Wno-return-type -Wno-misleading-indentation -Wno-missing-parameter-type \
+	  -Wno-unknown-warning-option
 
 # Common C compiler warning flags
 #

1993/ant/Makefile

@@ -40,7 +40,7 @@ include ../../var.mk
 #
 CSILENCE= -Wno-char-subscripts -Wno-error -Wno-implicit-function-declaration \
 	  -Wno-deprecated-non-prototype -Wno-strict-prototypes \
-	  -Wno-builtin-declaration-mismatch
+	  -Wno-builtin-declaration-mismatch -Wno-unknown-warning-option
 
 # Common C compiler warning flags
 #

1993/cmills/Makefile

@@ -39,7 +39,8 @@ include ../../var.mk
 # Common C compiler warnings to silence
 #
 CSILENCE= -Wno-return-type -Wno-deprecated-non-prototype -Wno-implicit-int \
-	  -Wno-missing-parameter-type -Wno-parentheses
+	  -Wno-missing-parameter-type -Wno-parentheses \
+	  -Wno-unknown-warning-option
 
 # Common C compiler warning flags
 #

1993/dgibson/Makefile

@@ -39,7 +39,8 @@ include ../../var.mk
 # Common C compiler warnings to silence
 #
 CSILENCE= -Wno-int-conversion -Wno-pointer-to-int-cast \
-	  -Wno-parentheses -Wno-stringop-overflow -Wno-unused-value
+	  -Wno-parentheses -Wno-stringop-overflow -Wno-unused-value \
+	  -Wno-unknown-warning-option
 
 # Common C compiler warning flags
 #

1993/ejb/Makefile

@@ -39,7 +39,8 @@ include ../../var.mk
 # Common C compiler warnings to silence
 #
 CSILENCE= -Wno-bitwise-op-parentheses -Wno-error -Wno-implicit-function-declaration \
-	  -Wno-pointer-sign -Wno-builtin-declaration-mismatch -Wno-parentheses
+	  -Wno-pointer-sign -Wno-builtin-declaration-mismatch -Wno-parentheses \
+	  -Wno-unknown-warning-option
 
 # Common C compiler warning flags
 #

1993/jonth/Makefile

@@ -45,7 +45,7 @@ CSILENCE= -Wno-error -Wno-implicit-function-declaration \
 	  -Wno-return-type -Wno-strict-prototypes -Wno-unused-variable \
 	  -Wno-implicit-int -Wno-builtin-declaration-mismatch \
 	  -Wno-misleading-indentation -Wno-missing-parameter-type \
-	  -Wno-unused-value
+	  -Wno-unused-value -Wno-unknown-warning-option
 
 # Common C compiler warning flags
 #

1993/plummer/Makefile

@@ -41,7 +41,7 @@ include ../../var.mk
 CSILENCE= -Wno-error -Wno-implicit-function-declaration -Wno-format-security \
 	  -Wno-deprecated-non-prototype -Wno-implicit-int \
 	  -Wno-builtin-declaration-mismatch -Wno-missing-parameter-type \
-          -Wno-return-type
+          -Wno-return-type -Wno-unknown-warning-option
 
 # Common C compiler warning flags
 #

1993/schnitzi/Makefile

@@ -40,7 +40,8 @@ include ../../var.mk
 #
 CSILENCE= -Wno-deprecated-declarations -Wno-pedantic -Wno-deprecated-non-prototype \
 	  -Wno-format-overflow -Wno-misleading-indentation -Wno-implicit-int \
-          -Wno-missing-parameter-type -Wno-return-type -Wno-unused-value
+          -Wno-missing-parameter-type -Wno-return-type -Wno-unused-value \
+	  -Wno-unknown-warning-option
 
 # Common C compiler warning flags
 #

1993/vanb/Makefile

@@ -39,7 +39,8 @@ include ../../var.mk
 # Common C compiler warnings to silence
 #
 CSILENCE= -Wno-deprecated-non-prototype -Wno-unused-value -Wno-unused-parameter \
-	  -Wno-implicit-int -Wno-missing-parameter-type -Wno-return-type
+	  -Wno-implicit-int -Wno-missing-parameter-type -Wno-return-type \
+	  -Wno-unknown-warning-option
 
 # Common C compiler warning flags
 #

1994/dodsond1/Makefile

@@ -41,7 +41,8 @@ include ../../var.mk
 CSILENCE= -Wno-empty-body -Wno-error -Wno-implicit-function-declaration \
 	  -Wno-missing-braces -Wno-return-type -Wno-deprecated-non-prototype \
 	  -Wno-strict-prototypes -Wno-implicit-int \
-	  -Wno-builtin-declaration-mismatch -Wno-misleading-indentation
+	  -Wno-builtin-declaration-mismatch -Wno-misleading-indentation \
+	  -Wno-unknown-warning-option
 
 # Common C compiler warning flags
 #

1994/dodsond2/Makefile

@@ -41,7 +41,7 @@ include ../../var.mk
 CSILENCE= -Wno-error -Wno-implicit-function-declaration -Wno-return-type \
 	  -Wno-deprecated-non-prototype -Wno-strict-prototypes \
 	  -Wno-implicit-int -Wno-builtin-declaration-mismatch \
-	  -Wno-misleading-indentation
+	  -Wno-misleading-indentation -Wno-unknown-warning-option
 
 # Common C compiler warning flags
 #

1994/horton/Makefile

@@ -41,7 +41,8 @@ include ../../var.mk
 CSILENCE= -Wno-error -Wno-implicit-function-declaration -Wno-unused-parameter \
 	  -Wno-missing-braces -Wno-return-type -Wno-unused-but-set-variable \
 	  -Wno-unused-variable -Wno-deprecated-non-prototype -Wno-implicit-int \
-	  -Wno-builtin-declaration-mismatch -Wno-missing-parameter-type
+	  -Wno-builtin-declaration-mismatch -Wno-missing-parameter-type \
+	  -Wno-unknown-warning-option
 
 # Common C compiler warning flags
 #

1994/schnitzi/Makefile

@@ -41,7 +41,7 @@ include ../../var.mk
 CSILENCE= -Wno-deprecated-declarations -Wno-error \
 	  -Wno-implicit-function-declaration -Wno-strict-prototypes \
 	  -Wno-implicit-int -Wno-builtin-declaration-mismatch \
-	  -Wno-return-type
+	  -Wno-return-type -Wno-unknown-warning-option
 
 # Common C compiler warning flags
 #

1994/shapiro/Makefile

@@ -42,7 +42,7 @@ CSILENCE= -Wno-error -Wno-implicit-function-declaration \
 	  -Wno-shift-op-parentheses -Wno-deprecated-non-prototype \
 	  -Wno-strict-prototypes -Wno-implicit-int \
 	  -Wno-builtin-declaration-mismatch -Wno-misleading-indentation \
-          -Wno-parentheses -Wno-return-type
+          -Wno-parentheses -Wno-return-type -Wno-unknown-warning-option
 
 # Common C compiler warning flags
 #

1994/tvr/Makefile

@@ -43,7 +43,7 @@ CSILENCE= -Wno-error -Wno-implicit-function-declaration -Wno-main-return-type \
 	  -Wno-unused-variable -Wno-incompatible-pointer-types -Wno-strict-prototypes \
 	  -Wno-pointer-sign -Wno-builtin-declaration-mismatch -Wno-main \
 	  -Wno-maybe-uninitialized -Wno-misleading-indentation -Wno-sequence-point \
-	  -Wno-unused-value
+	  -Wno-unused-value -Wno-unknown-warning-option
 
 # Common C compiler warning flags
 #

1994/weisberg/Makefile

@@ -40,7 +40,8 @@ include ../../var.mk
 #
 CSILENCE= -Wno-error -Wno-implicit-function-declaration -Wno-pointer-to-int-cast \
 	  -Wno-shift-op-parentheses -Wno-implicit-int -Wno-parentheses \
-	  -Wno-return-type -Wno-builtin-declaration-mismatch -Wno-int-in-bool-context
+	  -Wno-return-type -Wno-builtin-declaration-mismatch -Wno-int-in-bool-context \
+	  -Wno-unknown-warning-option
 
 # Common C compiler warning flags
 #

1995/cdua/Makefile

@@ -92,7 +92,8 @@ ifeq "$(findstring $(CLANG),${CC})" "$(CLANG)"
 CSILENCE+= -Wno-comma -Wno-missing-variable-declarations \
 	   -Wno-poison-system-directories -Wno-strict-prototypes \
 	   -Wno-format-nonliteral -Wno-sign-conversion \
-	   -Wno-incompatible-function-pointer-types-strict -Wno-unsafe-buffer-usage
+	   -Wno-incompatible-function-pointer-types-strict -Wno-unsafe-buffer-usage \
+	   -Wno-unknown-warning-option
 #
 CWARN+= -Weverything
 #

1995/dodsond2/Makefile

@@ -41,7 +41,7 @@ include ../../var.mk
 CSILENCE= -Wno-error -Wno-implicit-function-declaration \
 	  -Wno-shift-op-parentheses -Wno-strict-prototypes \
 	  -Wno-builtin-declaration-mismatch -Wno-misleading-indentation \
-	  -Wno-parentheses
+	  -Wno-parentheses -Wno-unknown-warning-option
 
 # Common C compiler warning flags
 #

1995/esde/Makefile

@@ -42,7 +42,8 @@ CSILENCE= -Wno-bitwise-op-parentheses -Wno-char-subscripts -Wno-error \
 	  -Wno-implicit-function-declaration -Wno-format-security \
 	  -Wno-return-type -Wno-sign-compare -Wno-uninitialized -Wno-unsequenced \
 	  -Wno-implicit-int -Wno-builtin-declaration-mismatch \
-	  -Wno-misleading-indentation -Wno-parentheses -Wno-sequence-point
+	  -Wno-misleading-indentation -Wno-parentheses -Wno-sequence-point \
+	  -Wno-unknown-warning-option
 
 # Common C compiler warning flags
 #

1995/garry/Makefile

@@ -41,7 +41,7 @@ include ../../var.mk
 CSILENCE= -Wno-extra-semi -Wno-fortify-source -Wno-return-type \
 	  -Wno-strict-prototypes -Wno-array-bounds -Wno-misleading-indentation \
 	  -Wno-pedantic -Wno-unused-variable -Wno-implicit-int \
-	  -Wno-stringop-overflow
+	  -Wno-stringop-overflow -Wno-unknown-warning-option
 
 # Common C compiler warning flags
 #

1995/makarios/Makefile

@@ -41,7 +41,7 @@ include ../../var.mk
 CSILENCE= -Wno-error -Wno-implicit-function-declaration -Wno-parentheses \
 	  -Wno-int-conversion -Wno-implicit-int -Wno-return-type \
 	  -Wno-builtin-declaration-mismatch -Wno-missing-parameter-type \
-	  -Wno-deprecated-non-prototype
+	  -Wno-deprecated-non-prototype -Wno-unknown-warning-option
 
 # Common C compiler warning flags
 #

1995/savastio/Makefile

@@ -41,7 +41,7 @@ include ../../var.mk
 CSILENCE= -Wno-empty-body -Wno-format -Wno-incompatible-library-redeclaration \
 	  -Wno-non-literal-null-conversion -Wno-deprecated-non-prototype \
 	  -Wno-strict-prototypes -Wno-implicit-int -Wno-builtin-declaration-mismatch \
-	  -Wno-misleading-indentation -Wno-return-type
+	  -Wno-misleading-indentation -Wno-return-type -Wno-unknown-warning-option
 
 # Common C compiler warning flags
 #

1995/schnitzi/Makefile

@@ -41,7 +41,8 @@ include ../../var.mk
 CSILENCE= -Wno-error -Wno-implicit-function-declaration -Wno-int-conversion \
 	  -Wno-logical-op-parentheses -Wno-deprecated-non-prototype \
 	  -Wno-builtin-declaration-mismatch -Wno-missing-parameter-type \
-          -Wno-parentheses -Wno-return-type -Wno-implicit-int
+          -Wno-parentheses -Wno-return-type -Wno-implicit-int \
+	  -Wno-unknown-warning-option
 
 # Common C compiler warning flags
 #

1995/vanschnitz/Makefile

@@ -40,7 +40,8 @@ include ../../var.mk
 #
 CSILENCE= -Wno-error -Wno-implicit-function-declaration -Wno-extra-tokens \
 	  -Wno-overlength-strings -Wno-strict-prototypes -Wno-implicit-int \
-	  -Wno-builtin-declaration-mismatch -Wno-endif-labels -Wno-return-type
+	  -Wno-builtin-declaration-mismatch -Wno-endif-labels -Wno-return-type \
+	  -Wno-unknown-warning-option
 
 # Common C compiler warning flags
 #

1996/gandalf/Makefile

@@ -42,7 +42,7 @@ CSILENCE= -Wno-error -Wno-implicit-function-declaration -Wno-keyword-macro \
 	  -Wno-shift-op-parentheses -Wno-unused-parameter -Wno-implicit-int \
 	  -Wno-deprecated-non-prototype -Wno-strict-prototypes -Wno-unsequenced \
 	  -Wno-builtin-declaration-mismatch -Wno-parentheses -Wno-return-type \
-          -Wno-sequence-point
+          -Wno-sequence-point -Wno-unknown-warning-option
 
 # Common C compiler warning flags
 #

1996/jonth/Makefile

@@ -43,7 +43,7 @@ CSILENCE= -Wno-char-subscripts -Wno-error -Wno-implicit-function-declaration \
 	  -Wno-unsequenced -Wno-unused-parameter -Wno-deprecated-non-prototype \
 	  -Wno-builtin-declaration-mismatch -Wno-missing-parameter-type \
           -Wno-multistatement-macros -Wno-sequence-point -Wno-unused-value \
-	  -Wno-implicit-int
+	  -Wno-implicit-int -Wno-unknown-warning-option
 
 # Common C compiler warning flags
 #

1996/westley/Makefile

@@ -40,7 +40,8 @@ include ../../var.mk
 #
 CSILENCE= -Wno-char-subscripts -Wno-error -Wno-implicit-function-declaration \
 	  -Wno-int-to-pointer-cast -Wno-empty-body -Wno-deprecated-non-prototype\
-	  -Wno-implicit-int -Wno-missing-parameter-type -Wno-return-type
+	  -Wno-implicit-int -Wno-missing-parameter-type -Wno-return-type \
+	  -Wno-unknown-warning-option
 
 # Common C compiler warning flags
 #

1998/banks/Makefile

@@ -43,7 +43,7 @@ CSILENCE= -Wno-empty-body -Wno-error -Wno-implicit-function-declaration \
 	  -Wno-bitwise-instead-of-logical -Wno-strict-prototypes \
 	  -Wno-implicit-int -Wno-builtin-declaration-mismatch \
 	  -Wno-misleading-indentation -Wno-parentheses -Wno-return-type \
-	  -Wno-sequence-point -Wno-unused-value
+	  -Wno-sequence-point -Wno-unused-value -Wno-unknown-warning-option
 
 # Common C compiler warning flags
 #

1998/bas1/Makefile

@@ -42,7 +42,7 @@ CSILENCE= -Wno-bitwise-conditional-parentheses -Wno-bitwise-op-parentheses \
 	  -Wno-empty-body -Wno-invalid-source-encoding -Wno-main -Wno-parentheses \
 	  -Wno-shift-op-parentheses -Wno-deprecated-non-prototype \
 	  -Wno-implicit-int -Wno-misleading-indentation -Wno-missing-parameter-type \
-	  -Wno-return-type -Wno-unused-parameter
+	  -Wno-return-type -Wno-unused-parameter -Wno-unknown-warning-option
 
 # Common C compiler warning flags
 #

1998/bas2/Makefile

@@ -39,7 +39,7 @@ include ../../var.mk
 # Common C compiler warnings to silence
 #
 CSILENCE= -Wno-main -Wno-deprecated-non-prototype -Wno-implicit-int \
-	  -Wno-missing-parameter-type -Wno-return-type
+	  -Wno-missing-parameter-type -Wno-return-type -Wno-unknown-warning-option
 
 # Common C compiler warning flags
 #

1998/df/Makefile

@@ -93,7 +93,8 @@ CSILENCE+= -Wno-array-bounds-pointer-arithmetic -Wno-implicit-int-conversion \
 	   -Wno-missing-variable-declarations -Wno-pedantic \
 	   -Wno-poison-system-directories -Wno-shadow -Wno-sign-conversion \
 	   -Wno-incompatible-function-pointer-types-strict -Wno-reserved-identifier \
-	   -Wno-unsafe-buffer-usage -Wno-strict-prototypes -Wno-cast-function-type
+	   -Wno-unsafe-buffer-usage -Wno-strict-prototypes -Wno-cast-function-type \
+	   -Wno-unknown-warning-option
 #
 CWARN+= -Weverything
 #

1998/fanf/Makefile

@@ -41,7 +41,7 @@ include ../../var.mk
 CSILENCE= -Wno-pointer-bool-conversion -Wno-unused-parameter -Wno-main \
 	  -Wno-implicit-function-declaration -Wno-address \
 	  -Wno-builtin-declaration-mismatch -Wno-int-conversion \
-	  -Wno-gnu-line-marker
+	  -Wno-gnu-line-marker -Wno-unknown-warning-option
 
 # Common C compiler warning flags
 #

1998/schnitzi/Makefile

@@ -42,7 +42,7 @@ CSILENCE= -Wno-error -Wno-implicit-function-declaration -Wno-format-security \
 	  -Wno-int-to-pointer-cast -Wno-int-conversion -Wno-unused-parameter \
 	  -Wno-incompatible-pointer-types -Wno-implicit-int -Wno-unused-value \
 	  -Wno-builtin-declaration-mismatch -Wno-parentheses -Wno-return-type \
-	  -Wno-logical-op-parentheses
+	  -Wno-logical-op-parentheses -Wno-unknown-warning-option
 
 # Common C compiler warning flags
 #

1998/schweikh1/Makefile

@@ -39,7 +39,7 @@ include ../../var.mk
 # Common C compiler warnings to silence
 #
 CSILENCE= -Wno-string-plus-int -Wno-switch-bool -Wno-array-bounds \
-	  -Wno-stringop-overread
+	  -Wno-stringop-overread -Wno-unknown-warning-option
 
 # Common C compiler warning flags
 #

1998/schweikh3/Makefile

@@ -39,7 +39,8 @@ include ../../var.mk
 # Common C compiler warnings to silence
 #
 CSILENCE= -Wno-trigraphs -Wno-deprecated-non-prototype -Wno-unused-parameter \
-	  -Wno-misleading-indentation -Wno-missing-parameter-type
+	  -Wno-misleading-indentation -Wno-missing-parameter-type \
+	  -Wno-unknown-warning-option
 
 # Common C compiler warning flags
 #

2000/bellard/Makefile

@@ -40,7 +40,8 @@ include ../../var.mk
 #
 CSILENCE= -Wno-error -Wno-implicit-function-declaration -Wno-implicit-int \
 	  -Wno-return-type -Wno-unsequenced -Wno-deprecated-non-prototype \
-	  -Wno-builtin-declaration-mismatch -Wno-sequence-point
+	  -Wno-builtin-declaration-mismatch -Wno-sequence-point \
+	  -Wno-unknown-warning-option
 
 # Common C compiler warning flags
 #

2000/briddlebane/Makefile

@@ -90,7 +90,7 @@ CSILENCE+= -Wno-bad-function-cast -Wno-comma -Wno-float-conversion \
 	   -Wno-missing-prototypes -Wno-missing-variable-declarations \
 	   -Wno-poison-system-directories -Wno-shadow -Wno-shorten-64-to-32 \
 	   -Wno-incompatible-function-pointer-types-strict -Wno-unsafe-buffer-usage \
-	   -Wno-strict-prototypes
+	   -Wno-strict-prototypes -Wno-unknown-warning-option
 #
 CWARN+= -Weverything
 #

2000/dhyang/Makefile

@@ -41,7 +41,7 @@ include ../../var.mk
 CSILENCE= -Wno-empty-body -Wno-error -Wno-implicit-function-declaration \
 	  -Wno-implicit-int -Wno-main-return-type -Wno-extra-semi \
 	  -Wno-builtin-declaration-mismatch -Wno-misleading-indentation \
-          -Wno-pedantic -Wno-strict-prototypes
+          -Wno-pedantic -Wno-strict-prototypes -Wno-unknown-warning-option
 
 # Common C compiler warning flags
 #

2000/jarijyrki/Makefile

@@ -42,7 +42,7 @@ CSILENCE= -Wno-char-subscripts -Wno-empty-body -Wno-error \
 	  -Wno-implicit-function-declaration -Wno-implicit-int \
 	  -Wno-builtin-declaration-mismatch -Wno-int-in-bool-context \
           -Wno-misleading-indentation -Wno-unused-value \
-	  -Wno-deprecated-non-prototype
+	  -Wno-deprecated-non-prototype -Wno-unknown-warning-option
 
 # Common C compiler warning flags
 #

2000/rince/Makefile

@@ -43,7 +43,7 @@ CSILENCE= -Wno-empty-body -Wno-error -Wno-implicit-function-declaration \
 	  -Wno-unevaluated-expression -Wno-deprecated-non-prototype \
 	  -Wno-strict-prototypes -Wno-builtin-declaration-mismatch \
 	  -Wno-maybe-uninitialized -Wno-misleading-indentation \
-	  -Wno-switch-unreachable
+	  -Wno-switch-unreachable -Wno-unknown-warning-option
 
 # Common C compiler warning flags
 #

2000/robison/Makefile

@@ -41,7 +41,7 @@ include ../../var.mk
 CSILENCE= -Wno-bitwise-op-parentheses -Wno-error \
 	  -Wno-implicit-function-declaration -Wno-format-security \
 	  -Wno-parentheses -Wno-shift-negative-value -Wno-shift-op-parentheses \
-	  -Wno-strict-prototypes -Wno-maybe-uninitialized
+	  -Wno-strict-prototypes -Wno-maybe-uninitialized -Wno-unknown-warning-option
 
 # Common C compiler warning flags
 #

2000/schneiderwent/Makefile

@@ -38,7 +38,8 @@ include ../../var.mk
 
 # Common C compiler warnings to silence
 #
-CSILENCE= -Wno-trigraphs -Wno-aggressive-loop-optimizations -Wno-clobbered
+CSILENCE= -Wno-trigraphs -Wno-aggressive-loop-optimizations -Wno-clobbered \
+	  -Wno-unknown-warning-option
 
 # Common C compiler warning flags
 #

2000/tomx/Makefile

@@ -38,7 +38,8 @@ include ../../var.mk
 
 # Common C compiler warnings to silence
 #
-CSILENCE= -Wno-comment -Wno-strict-prototypes -Wno-stringop-overflow
+CSILENCE= -Wno-comment -Wno-strict-prototypes -Wno-stringop-overflow \
+	  -Wno-unknown-warning-option
 
 # Common C compiler warning flags
 #

2001/anonymous/Makefile

@@ -45,7 +45,7 @@ CSILENCE= -Wno-bitwise-conditional-parentheses -Wno-error \
 	  -Wno-bitwise-op-parentheses -Wno-format -Wno-format-extra-args \
 	  -Wno-int-conversion -Wno-unused-parameter -Wno-unsequenced \
 	  -Wno-deprecated-non-prototype -Wno-unused-value \
-	  -Wno-maybe-uninitialized -Wno-parentheses
+	  -Wno-maybe-uninitialized -Wno-parentheses -Wno-unknown-warning-option
 
 # Common C compiler warning flags
 #

2001/ctk/Makefile

@@ -89,7 +89,7 @@ CSILENCE+= -Wno-cast-align -Wno-comma -Wno-implicit-int-conversion \
 	   -Wno-missing-prototypes -Wno-missing-variable-declarations -Wno-pedantic \
 	   -Wno-poison-system-directories -Wno-sign-conversion -Wno-strict-prototypes \
 	   -Wno-extra-semi-stmt -Wno-incompatible-function-pointer-types-strict \
-	   -Wno-unsafe-buffer-usage -Wno-unreachable-code
+	   -Wno-unsafe-buffer-usage -Wno-unreachable-code -Wno-unknown-warning-option
 #
 CWARN+= -Weverything
 #

2001/dgbeards/Makefile

@@ -41,7 +41,7 @@ include ../../var.mk
 CSILENCE= -Wno-char-subscripts -Wno-error -Wno-implicit-function-declaration \
 	  -Wno-format-security -Wno-implicit-int -Wno-return-type \
 	  -Wno-strict-prototypes -Wno-implicit-fallthrough -Wno-maybe-uninitialized \
-	  -Wno-parentheses -Wno-unused-value
+	  -Wno-parentheses -Wno-unused-value -Wno-unknown-warning-option
 
 # Common C compiler warning flags
 #

2001/herrmann2/Makefile

@@ -43,7 +43,7 @@ CSILENCE= -Wno-implicit-int -Wno-incompatible-pointer-types \
 	  -Wno-tautological-compare -Wno-unused-comparison -Wno-unused-value \
 	  -Wno-int-in-bool-context -Wno-pointer-bool-conversion -Wno-unsequenced \
 	  -Wno-deprecated-non-prototype -Wno-address -Wno-bool-compare \
-	  -Wno-sequence-point
+	  -Wno-sequence-point -Wno-unknown-warning-option
 
 # Common C compiler warning flags
 #

2001/kev/Makefile

@@ -42,7 +42,7 @@ CSILENCE= -Wno-empty-body -Wno-error -Wno-implicit-function-declaration \
 	  -Wno-incompatible-pointer-types -Wno-non-literal-null-conversion \
 	  -Wno-address -Wno-builtin-declaration-mismatch -Wno-misleading-indentation \
           -Wno-sequence-point -Wno-parentheses -Wno-pointer-bool-conversion \
-	  -Wno-unsequenced
+	  -Wno-unsequenced -Wno-unknown-warning-option
 
 # Common C compiler warning flags
 #

2001/ollinger/Makefile

@@ -39,7 +39,7 @@ include ../../var.mk
 # Common C compiler warnings to silence
 #
 CSILENCE= -Wno-error -Wno-implicit-function-declaration -Wno-unused-parameter \
-	  -Wno-builtin-declaration-mismatch
+	  -Wno-builtin-declaration-mismatch -Wno-unknown-warning-option
 
 # Common C compiler warning flags
 #

2001/westley/Makefile

@@ -42,7 +42,8 @@ CSILENCE= -Wno-empty-body -Wno-error -Wno-implicit-function-declaration \
 	  -Wno-implicit-int -Wno-main -Wno-return-type -Wno-trigraphs \
 	  -Wno-unused-parameter -Wno-incompatible-pointer-types \
 	  -Wno-deprecated-declarations -Wno-deprecated-non-prototype \
-	  -Wno-builtin-declaration-mismatch -Wno-restrict
+	  -Wno-builtin-declaration-mismatch -Wno-restrict \
+	  -Wno-unknown-warning-option
 
 # Common C compiler warning flags
 #