X-Git-Url: https://git.tcpdump.org/tcpdump/blobdiff_plain/e7011808dad1ce21fb33932bdc40f226e4290ad9..cc2d4cbd8ca150504127f375d8b51b194958d95b:/configure

diff --git a/configure b/configure
index 7c79206b..16a3ac0b 100755
--- a/configure
+++ b/configure
@@ -2413,6 +2413,10 @@ fi
 	    export CC
     fi
 
+#
+# Try to enable as many C99 features as we can.
+# At minimum, we want C++/C99-style // comments.
+#
 ac_ext=c
 ac_cpp='$CPP $CPPFLAGS'
 ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
@@ -3379,6 +3383,10 @@ if test "x$ac_cv_prog_cc_c99" != xno; then :
 fi
 
 
+if test "$ac_cv_prog_cc_c99" = "no"; then
+	{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: The C compiler does not support C99; there may be compiler errors" >&5
+$as_echo "$as_me: WARNING: The C compiler does not support C99; there may be compiler errors" >&2;}
+fi
 
 
 
@@ -3498,7 +3506,7 @@ rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 		    ;;
 
 	    osf*)
-	    	    #
+		    #
 		    # Presumed to be DEC OSF/1, Digital UNIX, or
 		    # Tru64 UNIX.
 		    #
@@ -4025,7 +4033,7 @@ fi
 done
 
 
-for ac_header in fcntl.h rpc/rpc.h rpc/rpcent.h
+for ac_header in fcntl.h rpc/rpc.h rpc/rpcent.h net/if.h
 do :
   as_ac_Header=`$as_echo "ac_cv_header_$ac_header" | $as_tr_sh`
 ac_fn_c_check_header_mongrel "$LINENO" "$ac_header" "$as_ac_Header" "$ac_includes_default"
@@ -4250,8 +4258,6 @@ fi
 case "$enableval" in
 yes)	{ $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
 $as_echo "yes" >&6; }
-	{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: The SMB printer may have exploitable buffer overflows!!!" >&5
-$as_echo "$as_me: WARNING: The SMB printer may have exploitable buffer overflows!!!" >&2;}
 
 $as_echo "#define ENABLE_SMB 1" >>confdefs.h
 
@@ -4326,7 +4332,16 @@ fi
 # present, imply others are present?
 #
 if test ! -z "$with_sandbox-capsicum" && test "$with_sandbox-capsicum" != "no" ; then
-	for ac_func in cap_enter cap_rights_limit cap_ioctls_limit openat
+	#
+	# First, make sure we have the required header.
+	#
+	ac_fn_c_check_header_mongrel "$LINENO" "sys/capsicum.h" "ac_cv_header_sys_capsicum_h" "$ac_includes_default"
+if test "x$ac_cv_header_sys_capsicum_h" = xyes; then :
+
+		#
+		# We do; now make sure we have the required functions.
+		#
+		for ac_func in cap_enter cap_rights_limit cap_ioctls_limit openat
 do :
   as_ac_var=`$as_echo "ac_cv_func_$ac_func" | $as_tr_sh`
 ac_fn_c_check_func "$LINENO" "$ac_func" "$as_ac_var"
@@ -4340,6 +4355,10 @@ else
 fi
 done
 
+
+fi
+
+
 	{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for cap_init in -lcasper" >&5
 $as_echo_n "checking for cap_init in -lcasper... " >&6; }
 if ${ac_cv_lib_casper_cap_init+:} false; then :
@@ -5870,7 +5889,7 @@ fi
 		# This test fails if we don't have <arpa/inet.h>
 		# (if we have ether_ntohost(), we should have
 		# networking, and if we have networking, we should
-		# have <arapa/inet.h>) or if we do but it doesn't
+		# have <arpa/inet.h>) or if we do but it doesn't
 		# declare ether_ntohost().
 		#
 		# Unset ac_cv_have_decl_ether_ntohost so we don't
@@ -6052,23 +6071,6 @@ fi
 done
 
 
-ac_fn_c_check_func "$LINENO" "pcap_dump_ftell" "ac_cv_func_pcap_dump_ftell"
-if test "x$ac_cv_func_pcap_dump_ftell" = xyes; then :
-
-$as_echo "#define HAVE_PCAP_DUMP_FTELL 1" >>confdefs.h
-
-else
-
-	    case " $LIBOBJS " in
-  *" pcap_dump_ftell.$ac_objext "* ) ;;
-  *) LIBOBJS="$LIBOBJS pcap_dump_ftell.$ac_objext"
- ;;
-esac
-
-
-fi
-
-
 #
 # Do we have the new open API?  Check for pcap_create, and assume that,
 # if we do, we also have pcap_activate() and the other new routines
@@ -6221,6 +6223,20 @@ _ACEOF
 fi
 done
 
+ac_fn_c_check_func "$LINENO" "pcap_dump_ftell" "ac_cv_func_pcap_dump_ftell"
+if test "x$ac_cv_func_pcap_dump_ftell" = xyes; then :
+  $as_echo "#define HAVE_PCAP_DUMP_FTELL 1" >>confdefs.h
+
+else
+  case " $LIBOBJS " in
+  *" pcap_dump_ftell.$ac_objext "* ) ;;
+  *) LIBOBJS="$LIBOBJS pcap_dump_ftell.$ac_objext"
+ ;;
+esac
+
+fi
+
+
 
 #
 # Check for special debugging functions
@@ -6745,6 +6761,49 @@ rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 	CFLAGS="$save_CFLAGS"
 
 
+	{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the compiler supports the -W option" >&5
+$as_echo_n "checking whether the compiler supports the -W option... " >&6; }
+	save_CFLAGS="$CFLAGS"
+	if expr "x-W" : "x-W.*" >/dev/null
+	then
+	    CFLAGS="$CFLAGS $ac_lbl_unknown_warning_option_error -W"
+	elif expr "x-W" : "x-f.*" >/dev/null
+	then
+	    CFLAGS="$CFLAGS -Werror -W"
+	elif expr "x-W" : "x-m.*" >/dev/null
+	then
+	    CFLAGS="$CFLAGS -Werror -W"
+	else
+	    CFLAGS="$CFLAGS -W"
+	fi
+	cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+int
+main ()
+{
+return 0
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+
+		{ $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+$as_echo "yes" >&6; }
+		CFLAGS="$save_CFLAGS"
+		V_CCOPT="$V_CCOPT -W"
+
+else
+
+		{ $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+		CFLAGS="$save_CFLAGS"
+
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+
+
 	{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the compiler supports the -Wall option" >&5
 $as_echo_n "checking whether the compiler supports the -Wall option... " >&6; }
 	save_CFLAGS="$CFLAGS"
@@ -6788,20 +6847,20 @@ fi
 rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 
 
-	{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the compiler supports the -Wmissing-prototypes option" >&5
-$as_echo_n "checking whether the compiler supports the -Wmissing-prototypes option... " >&6; }
+	{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the compiler supports the -Wassign-enum option" >&5
+$as_echo_n "checking whether the compiler supports the -Wassign-enum option... " >&6; }
 	save_CFLAGS="$CFLAGS"
-	if expr "x-Wmissing-prototypes" : "x-W.*" >/dev/null
+	if expr "x-Wassign-enum" : "x-W.*" >/dev/null
 	then
-	    CFLAGS="$CFLAGS $ac_lbl_unknown_warning_option_error -Wmissing-prototypes"
-	elif expr "x-Wmissing-prototypes" : "x-f.*" >/dev/null
+	    CFLAGS="$CFLAGS $ac_lbl_unknown_warning_option_error -Wassign-enum"
+	elif expr "x-Wassign-enum" : "x-f.*" >/dev/null
 	then
-	    CFLAGS="$CFLAGS -Werror -Wmissing-prototypes"
-	elif expr "x-Wmissing-prototypes" : "x-m.*" >/dev/null
+	    CFLAGS="$CFLAGS -Werror -Wassign-enum"
+	elif expr "x-Wassign-enum" : "x-m.*" >/dev/null
 	then
-	    CFLAGS="$CFLAGS -Werror -Wmissing-prototypes"
+	    CFLAGS="$CFLAGS -Werror -Wassign-enum"
 	else
-	    CFLAGS="$CFLAGS -Wmissing-prototypes"
+	    CFLAGS="$CFLAGS -Wassign-enum"
 	fi
 	cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
@@ -6819,7 +6878,7 @@ if ac_fn_c_try_compile "$LINENO"; then :
 		{ $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
 $as_echo "yes" >&6; }
 		CFLAGS="$save_CFLAGS"
-		V_CCOPT="$V_CCOPT -Wmissing-prototypes"
+		V_CCOPT="$V_CCOPT -Wassign-enum"
 
 else
 
@@ -6831,20 +6890,20 @@ fi
 rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 
 
-	{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the compiler supports the -Wstrict-prototypes option" >&5
-$as_echo_n "checking whether the compiler supports the -Wstrict-prototypes option... " >&6; }
+	{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the compiler supports the -Wcast-qual option" >&5
+$as_echo_n "checking whether the compiler supports the -Wcast-qual option... " >&6; }
 	save_CFLAGS="$CFLAGS"
-	if expr "x-Wstrict-prototypes" : "x-W.*" >/dev/null
+	if expr "x-Wcast-qual" : "x-W.*" >/dev/null
 	then
-	    CFLAGS="$CFLAGS $ac_lbl_unknown_warning_option_error -Wstrict-prototypes"
-	elif expr "x-Wstrict-prototypes" : "x-f.*" >/dev/null
+	    CFLAGS="$CFLAGS $ac_lbl_unknown_warning_option_error -Wcast-qual"
+	elif expr "x-Wcast-qual" : "x-f.*" >/dev/null
 	then
-	    CFLAGS="$CFLAGS -Werror -Wstrict-prototypes"
-	elif expr "x-Wstrict-prototypes" : "x-m.*" >/dev/null
+	    CFLAGS="$CFLAGS -Werror -Wcast-qual"
+	elif expr "x-Wcast-qual" : "x-m.*" >/dev/null
 	then
-	    CFLAGS="$CFLAGS -Werror -Wstrict-prototypes"
+	    CFLAGS="$CFLAGS -Werror -Wcast-qual"
 	else
-	    CFLAGS="$CFLAGS -Wstrict-prototypes"
+	    CFLAGS="$CFLAGS -Wcast-qual"
 	fi
 	cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
@@ -6862,7 +6921,7 @@ if ac_fn_c_try_compile "$LINENO"; then :
 		{ $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
 $as_echo "yes" >&6; }
 		CFLAGS="$save_CFLAGS"
-		V_CCOPT="$V_CCOPT -Wstrict-prototypes"
+		V_CCOPT="$V_CCOPT -Wcast-qual"
 
 else
 
@@ -6874,20 +6933,20 @@ fi
 rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 
 
-	{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the compiler supports the -Wwrite-strings option" >&5
-$as_echo_n "checking whether the compiler supports the -Wwrite-strings option... " >&6; }
+	{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the compiler supports the -Wmissing-prototypes option" >&5
+$as_echo_n "checking whether the compiler supports the -Wmissing-prototypes option... " >&6; }
 	save_CFLAGS="$CFLAGS"
-	if expr "x-Wwrite-strings" : "x-W.*" >/dev/null
+	if expr "x-Wmissing-prototypes" : "x-W.*" >/dev/null
 	then
-	    CFLAGS="$CFLAGS $ac_lbl_unknown_warning_option_error -Wwrite-strings"
-	elif expr "x-Wwrite-strings" : "x-f.*" >/dev/null
+	    CFLAGS="$CFLAGS $ac_lbl_unknown_warning_option_error -Wmissing-prototypes"
+	elif expr "x-Wmissing-prototypes" : "x-f.*" >/dev/null
 	then
-	    CFLAGS="$CFLAGS -Werror -Wwrite-strings"
-	elif expr "x-Wwrite-strings" : "x-m.*" >/dev/null
+	    CFLAGS="$CFLAGS -Werror -Wmissing-prototypes"
+	elif expr "x-Wmissing-prototypes" : "x-m.*" >/dev/null
 	then
-	    CFLAGS="$CFLAGS -Werror -Wwrite-strings"
+	    CFLAGS="$CFLAGS -Werror -Wmissing-prototypes"
 	else
-	    CFLAGS="$CFLAGS -Wwrite-strings"
+	    CFLAGS="$CFLAGS -Wmissing-prototypes"
 	fi
 	cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
@@ -6905,7 +6964,7 @@ if ac_fn_c_try_compile "$LINENO"; then :
 		{ $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
 $as_echo "yes" >&6; }
 		CFLAGS="$save_CFLAGS"
-		V_CCOPT="$V_CCOPT -Wwrite-strings"
+		V_CCOPT="$V_CCOPT -Wmissing-prototypes"
 
 else
 
@@ -6917,20 +6976,20 @@ fi
 rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 
 
-	{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the compiler supports the -Wpointer-arith option" >&5
-$as_echo_n "checking whether the compiler supports the -Wpointer-arith option... " >&6; }
+	{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the compiler supports the -Wold-style-definition option" >&5
+$as_echo_n "checking whether the compiler supports the -Wold-style-definition option... " >&6; }
 	save_CFLAGS="$CFLAGS"
-	if expr "x-Wpointer-arith" : "x-W.*" >/dev/null
+	if expr "x-Wold-style-definition" : "x-W.*" >/dev/null
 	then
-	    CFLAGS="$CFLAGS $ac_lbl_unknown_warning_option_error -Wpointer-arith"
-	elif expr "x-Wpointer-arith" : "x-f.*" >/dev/null
+	    CFLAGS="$CFLAGS $ac_lbl_unknown_warning_option_error -Wold-style-definition"
+	elif expr "x-Wold-style-definition" : "x-f.*" >/dev/null
 	then
-	    CFLAGS="$CFLAGS -Werror -Wpointer-arith"
-	elif expr "x-Wpointer-arith" : "x-m.*" >/dev/null
+	    CFLAGS="$CFLAGS -Werror -Wold-style-definition"
+	elif expr "x-Wold-style-definition" : "x-m.*" >/dev/null
 	then
-	    CFLAGS="$CFLAGS -Werror -Wpointer-arith"
+	    CFLAGS="$CFLAGS -Werror -Wold-style-definition"
 	else
-	    CFLAGS="$CFLAGS -Wpointer-arith"
+	    CFLAGS="$CFLAGS -Wold-style-definition"
 	fi
 	cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
@@ -6948,7 +7007,7 @@ if ac_fn_c_try_compile "$LINENO"; then :
 		{ $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
 $as_echo "yes" >&6; }
 		CFLAGS="$save_CFLAGS"
-		V_CCOPT="$V_CCOPT -Wpointer-arith"
+		V_CCOPT="$V_CCOPT -Wold-style-definition"
 
 else
 
@@ -6960,20 +7019,20 @@ fi
 rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 
 
-	{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the compiler supports the -Wcast-qual option" >&5
-$as_echo_n "checking whether the compiler supports the -Wcast-qual option... " >&6; }
+	{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the compiler supports the -Wpedantic option" >&5
+$as_echo_n "checking whether the compiler supports the -Wpedantic option... " >&6; }
 	save_CFLAGS="$CFLAGS"
-	if expr "x-Wcast-qual" : "x-W.*" >/dev/null
+	if expr "x-Wpedantic" : "x-W.*" >/dev/null
 	then
-	    CFLAGS="$CFLAGS $ac_lbl_unknown_warning_option_error -Wcast-qual"
-	elif expr "x-Wcast-qual" : "x-f.*" >/dev/null
+	    CFLAGS="$CFLAGS $ac_lbl_unknown_warning_option_error -Wpedantic"
+	elif expr "x-Wpedantic" : "x-f.*" >/dev/null
 	then
-	    CFLAGS="$CFLAGS -Werror -Wcast-qual"
-	elif expr "x-Wcast-qual" : "x-m.*" >/dev/null
+	    CFLAGS="$CFLAGS -Werror -Wpedantic"
+	elif expr "x-Wpedantic" : "x-m.*" >/dev/null
 	then
-	    CFLAGS="$CFLAGS -Werror -Wcast-qual"
+	    CFLAGS="$CFLAGS -Werror -Wpedantic"
 	else
-	    CFLAGS="$CFLAGS -Wcast-qual"
+	    CFLAGS="$CFLAGS -Wpedantic"
 	fi
 	cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
@@ -6991,7 +7050,7 @@ if ac_fn_c_try_compile "$LINENO"; then :
 		{ $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
 $as_echo "yes" >&6; }
 		CFLAGS="$save_CFLAGS"
-		V_CCOPT="$V_CCOPT -Wcast-qual"
+		V_CCOPT="$V_CCOPT -Wpedantic"
 
 else
 
@@ -7003,20 +7062,20 @@ fi
 rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 
 
-	{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the compiler supports the -Wshadow option" >&5
-$as_echo_n "checking whether the compiler supports the -Wshadow option... " >&6; }
+	{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the compiler supports the -Wpointer-arith option" >&5
+$as_echo_n "checking whether the compiler supports the -Wpointer-arith option... " >&6; }
 	save_CFLAGS="$CFLAGS"
-	if expr "x-Wshadow" : "x-W.*" >/dev/null
+	if expr "x-Wpointer-arith" : "x-W.*" >/dev/null
 	then
-	    CFLAGS="$CFLAGS $ac_lbl_unknown_warning_option_error -Wshadow"
-	elif expr "x-Wshadow" : "x-f.*" >/dev/null
+	    CFLAGS="$CFLAGS $ac_lbl_unknown_warning_option_error -Wpointer-arith"
+	elif expr "x-Wpointer-arith" : "x-f.*" >/dev/null
 	then
-	    CFLAGS="$CFLAGS -Werror -Wshadow"
-	elif expr "x-Wshadow" : "x-m.*" >/dev/null
+	    CFLAGS="$CFLAGS -Werror -Wpointer-arith"
+	elif expr "x-Wpointer-arith" : "x-m.*" >/dev/null
 	then
-	    CFLAGS="$CFLAGS -Werror -Wshadow"
+	    CFLAGS="$CFLAGS -Werror -Wpointer-arith"
 	else
-	    CFLAGS="$CFLAGS -Wshadow"
+	    CFLAGS="$CFLAGS -Wpointer-arith"
 	fi
 	cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
@@ -7034,7 +7093,7 @@ if ac_fn_c_try_compile "$LINENO"; then :
 		{ $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
 $as_echo "yes" >&6; }
 		CFLAGS="$save_CFLAGS"
-		V_CCOPT="$V_CCOPT -Wshadow"
+		V_CCOPT="$V_CCOPT -Wpointer-arith"
 
 else
 
@@ -7046,20 +7105,20 @@ fi
 rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 
 
-	{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the compiler supports the -Wdeclaration-after-statement option" >&5
-$as_echo_n "checking whether the compiler supports the -Wdeclaration-after-statement option... " >&6; }
+	{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the compiler supports the -Wshadow option" >&5
+$as_echo_n "checking whether the compiler supports the -Wshadow option... " >&6; }
 	save_CFLAGS="$CFLAGS"
-	if expr "x-Wdeclaration-after-statement" : "x-W.*" >/dev/null
+	if expr "x-Wshadow" : "x-W.*" >/dev/null
 	then
-	    CFLAGS="$CFLAGS $ac_lbl_unknown_warning_option_error -Wdeclaration-after-statement"
-	elif expr "x-Wdeclaration-after-statement" : "x-f.*" >/dev/null
+	    CFLAGS="$CFLAGS $ac_lbl_unknown_warning_option_error -Wshadow"
+	elif expr "x-Wshadow" : "x-f.*" >/dev/null
 	then
-	    CFLAGS="$CFLAGS -Werror -Wdeclaration-after-statement"
-	elif expr "x-Wdeclaration-after-statement" : "x-m.*" >/dev/null
+	    CFLAGS="$CFLAGS -Werror -Wshadow"
+	elif expr "x-Wshadow" : "x-m.*" >/dev/null
 	then
-	    CFLAGS="$CFLAGS -Werror -Wdeclaration-after-statement"
+	    CFLAGS="$CFLAGS -Werror -Wshadow"
 	else
-	    CFLAGS="$CFLAGS -Wdeclaration-after-statement"
+	    CFLAGS="$CFLAGS -Wshadow"
 	fi
 	cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
@@ -7077,7 +7136,7 @@ if ac_fn_c_try_compile "$LINENO"; then :
 		{ $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
 $as_echo "yes" >&6; }
 		CFLAGS="$save_CFLAGS"
-		V_CCOPT="$V_CCOPT -Wdeclaration-after-statement"
+		V_CCOPT="$V_CCOPT -Wshadow"
 
 else
 
@@ -7089,20 +7148,20 @@ fi
 rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 
 
-	{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the compiler supports the -Wpedantic option" >&5
-$as_echo_n "checking whether the compiler supports the -Wpedantic option... " >&6; }
+	{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the compiler supports the -Wsign-compare option" >&5
+$as_echo_n "checking whether the compiler supports the -Wsign-compare option... " >&6; }
 	save_CFLAGS="$CFLAGS"
-	if expr "x-Wpedantic" : "x-W.*" >/dev/null
+	if expr "x-Wsign-compare" : "x-W.*" >/dev/null
 	then
-	    CFLAGS="$CFLAGS $ac_lbl_unknown_warning_option_error -Wpedantic"
-	elif expr "x-Wpedantic" : "x-f.*" >/dev/null
+	    CFLAGS="$CFLAGS $ac_lbl_unknown_warning_option_error -Wsign-compare"
+	elif expr "x-Wsign-compare" : "x-f.*" >/dev/null
 	then
-	    CFLAGS="$CFLAGS -Werror -Wpedantic"
-	elif expr "x-Wpedantic" : "x-m.*" >/dev/null
+	    CFLAGS="$CFLAGS -Werror -Wsign-compare"
+	elif expr "x-Wsign-compare" : "x-m.*" >/dev/null
 	then
-	    CFLAGS="$CFLAGS -Werror -Wpedantic"
+	    CFLAGS="$CFLAGS -Werror -Wsign-compare"
 	else
-	    CFLAGS="$CFLAGS -Wpedantic"
+	    CFLAGS="$CFLAGS -Wsign-compare"
 	fi
 	cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
@@ -7120,7 +7179,7 @@ if ac_fn_c_try_compile "$LINENO"; then :
 		{ $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
 $as_echo "yes" >&6; }
 		CFLAGS="$save_CFLAGS"
-		V_CCOPT="$V_CCOPT -Wpedantic"
+		V_CCOPT="$V_CCOPT -Wsign-compare"
 
 else
 
@@ -7132,20 +7191,20 @@ fi
 rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 
 
-	{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the compiler supports the -Wold-style-definition option" >&5
-$as_echo_n "checking whether the compiler supports the -Wold-style-definition option... " >&6; }
+	{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the compiler supports the -Wstrict-prototypes option" >&5
+$as_echo_n "checking whether the compiler supports the -Wstrict-prototypes option... " >&6; }
 	save_CFLAGS="$CFLAGS"
-	if expr "x-Wold-style-definition" : "x-W.*" >/dev/null
+	if expr "x-Wstrict-prototypes" : "x-W.*" >/dev/null
 	then
-	    CFLAGS="$CFLAGS $ac_lbl_unknown_warning_option_error -Wold-style-definition"
-	elif expr "x-Wold-style-definition" : "x-f.*" >/dev/null
+	    CFLAGS="$CFLAGS $ac_lbl_unknown_warning_option_error -Wstrict-prototypes"
+	elif expr "x-Wstrict-prototypes" : "x-f.*" >/dev/null
 	then
-	    CFLAGS="$CFLAGS -Werror -Wold-style-definition"
-	elif expr "x-Wold-style-definition" : "x-m.*" >/dev/null
+	    CFLAGS="$CFLAGS -Werror -Wstrict-prototypes"
+	elif expr "x-Wstrict-prototypes" : "x-m.*" >/dev/null
 	then
-	    CFLAGS="$CFLAGS -Werror -Wold-style-definition"
+	    CFLAGS="$CFLAGS -Werror -Wstrict-prototypes"
 	else
-	    CFLAGS="$CFLAGS -Wold-style-definition"
+	    CFLAGS="$CFLAGS -Wstrict-prototypes"
 	fi
 	cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
@@ -7163,7 +7222,7 @@ if ac_fn_c_try_compile "$LINENO"; then :
 		{ $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
 $as_echo "yes" >&6; }
 		CFLAGS="$save_CFLAGS"
-		V_CCOPT="$V_CCOPT -Wold-style-definition"
+		V_CCOPT="$V_CCOPT -Wstrict-prototypes"
 
 else
 
@@ -7175,20 +7234,20 @@ fi
 rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 
 
-	{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the compiler supports the -Wused-but-marked-unused option" >&5
-$as_echo_n "checking whether the compiler supports the -Wused-but-marked-unused option... " >&6; }
+	{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the compiler supports the -Wunreachable-code-return option" >&5
+$as_echo_n "checking whether the compiler supports the -Wunreachable-code-return option... " >&6; }
 	save_CFLAGS="$CFLAGS"
-	if expr "x-Wused-but-marked-unused" : "x-W.*" >/dev/null
+	if expr "x-Wunreachable-code-return" : "x-W.*" >/dev/null
 	then
-	    CFLAGS="$CFLAGS $ac_lbl_unknown_warning_option_error -Wused-but-marked-unused"
-	elif expr "x-Wused-but-marked-unused" : "x-f.*" >/dev/null
+	    CFLAGS="$CFLAGS $ac_lbl_unknown_warning_option_error -Wunreachable-code-return"
+	elif expr "x-Wunreachable-code-return" : "x-f.*" >/dev/null
 	then
-	    CFLAGS="$CFLAGS -Werror -Wused-but-marked-unused"
-	elif expr "x-Wused-but-marked-unused" : "x-m.*" >/dev/null
+	    CFLAGS="$CFLAGS -Werror -Wunreachable-code-return"
+	elif expr "x-Wunreachable-code-return" : "x-m.*" >/dev/null
 	then
-	    CFLAGS="$CFLAGS -Werror -Wused-but-marked-unused"
+	    CFLAGS="$CFLAGS -Werror -Wunreachable-code-return"
 	else
-	    CFLAGS="$CFLAGS -Wused-but-marked-unused"
+	    CFLAGS="$CFLAGS -Wunreachable-code-return"
 	fi
 	cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
@@ -7206,7 +7265,7 @@ if ac_fn_c_try_compile "$LINENO"; then :
 		{ $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
 $as_echo "yes" >&6; }
 		CFLAGS="$save_CFLAGS"
-		V_CCOPT="$V_CCOPT -Wused-but-marked-unused"
+		V_CCOPT="$V_CCOPT -Wunreachable-code-return"
 
 else
 
@@ -7218,20 +7277,20 @@ fi
 rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 
 
-	{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the compiler supports the -W option" >&5
-$as_echo_n "checking whether the compiler supports the -W option... " >&6; }
+	{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the compiler supports the -Wused-but-marked-unused option" >&5
+$as_echo_n "checking whether the compiler supports the -Wused-but-marked-unused option... " >&6; }
 	save_CFLAGS="$CFLAGS"
-	if expr "x-W" : "x-W.*" >/dev/null
+	if expr "x-Wused-but-marked-unused" : "x-W.*" >/dev/null
 	then
-	    CFLAGS="$CFLAGS $ac_lbl_unknown_warning_option_error -W"
-	elif expr "x-W" : "x-f.*" >/dev/null
+	    CFLAGS="$CFLAGS $ac_lbl_unknown_warning_option_error -Wused-but-marked-unused"
+	elif expr "x-Wused-but-marked-unused" : "x-f.*" >/dev/null
 	then
-	    CFLAGS="$CFLAGS -Werror -W"
-	elif expr "x-W" : "x-m.*" >/dev/null
+	    CFLAGS="$CFLAGS -Werror -Wused-but-marked-unused"
+	elif expr "x-Wused-but-marked-unused" : "x-m.*" >/dev/null
 	then
-	    CFLAGS="$CFLAGS -Werror -W"
+	    CFLAGS="$CFLAGS -Werror -Wused-but-marked-unused"
 	else
-	    CFLAGS="$CFLAGS -W"
+	    CFLAGS="$CFLAGS -Wused-but-marked-unused"
 	fi
 	cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
@@ -7249,7 +7308,7 @@ if ac_fn_c_try_compile "$LINENO"; then :
 		{ $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
 $as_echo "yes" >&6; }
 		CFLAGS="$save_CFLAGS"
-		V_CCOPT="$V_CCOPT -W"
+		V_CCOPT="$V_CCOPT -Wused-but-marked-unused"
 
 else
 
@@ -7261,20 +7320,20 @@ fi
 rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 
 
-	{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the compiler supports the -Wassign-enum option" >&5
-$as_echo_n "checking whether the compiler supports the -Wassign-enum option... " >&6; }
+	{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the compiler supports the -Wwrite-strings option" >&5
+$as_echo_n "checking whether the compiler supports the -Wwrite-strings option... " >&6; }
 	save_CFLAGS="$CFLAGS"
-	if expr "x-Wassign-enum" : "x-W.*" >/dev/null
+	if expr "x-Wwrite-strings" : "x-W.*" >/dev/null
 	then
-	    CFLAGS="$CFLAGS $ac_lbl_unknown_warning_option_error -Wassign-enum"
-	elif expr "x-Wassign-enum" : "x-f.*" >/dev/null
+	    CFLAGS="$CFLAGS $ac_lbl_unknown_warning_option_error -Wwrite-strings"
+	elif expr "x-Wwrite-strings" : "x-f.*" >/dev/null
 	then
-	    CFLAGS="$CFLAGS -Werror -Wassign-enum"
-	elif expr "x-Wassign-enum" : "x-m.*" >/dev/null
+	    CFLAGS="$CFLAGS -Werror -Wwrite-strings"
+	elif expr "x-Wwrite-strings" : "x-m.*" >/dev/null
 	then
-	    CFLAGS="$CFLAGS -Werror -Wassign-enum"
+	    CFLAGS="$CFLAGS -Werror -Wwrite-strings"
 	else
-	    CFLAGS="$CFLAGS -Wassign-enum"
+	    CFLAGS="$CFLAGS -Wwrite-strings"
 	fi
 	cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
@@ -7292,7 +7351,7 @@ if ac_fn_c_try_compile "$LINENO"; then :
 		{ $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
 $as_echo "yes" >&6; }
 		CFLAGS="$save_CFLAGS"
-		V_CCOPT="$V_CCOPT -Wassign-enum"
+		V_CCOPT="$V_CCOPT -Wwrite-strings"
 
 else