]> The Tcpdump Group git mirrors - tcpdump/blobdiff - configure
Update .gitignore for other configurations
[tcpdump] / configure
index 63372c10399e9825bb74ecc778354c9fd76a734d..b76db5207c21eb9321f370ff49998bfbef5a4cdc 100755 (executable)
--- 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
 
@@ -5870,7 +5876,7 @@ 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 +6058,6 @@ 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 +6210,20 @@ _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
@@ -6514,30 +6517,6 @@ $as_echo "#define u_int64_t uint64_t" >>confdefs.h
 fi
 
 
-#
-# Check for some headers introduced in later versions of libpcap
-# and used by some printers.
-#
-# Those headers might use the {u_}intN_t types, so we must do this
-# after we check for what's needed to get them defined.
-#
-savedcppflags="$CPPFLAGS"
-CPPFLAGS="$CPPFLAGS $V_INCLS"
-for ac_header in pcap/nflog.h
-do :
-  ac_fn_c_check_header_compile "$LINENO" "pcap/nflog.h" "ac_cv_header_pcap_nflog_h" "#include \"netdissect-stdinc.h\"
-"
-if test "x$ac_cv_header_pcap_nflog_h" = xyes; then :
-  cat >>confdefs.h <<_ACEOF
-#define HAVE_PCAP_NFLOG_H 1
-_ACEOF
-
-fi
-
-done
-
-CPPFLAGS="$savedcppflags"
-
 if test -n "$ac_tool_prefix"; then
   # Extract the first word of "${ac_tool_prefix}ranlib", so it can be a program name with args.
 set dummy ${ac_tool_prefix}ranlib; ac_word=$2
@@ -6769,20 +6748,20 @@ rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
        CFLAGS="$save_CFLAGS"
 
 
-       { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the compiler supports the -Wall option" >&5
-$as_echo_n "checking whether the compiler supports the -Wall option... " >&6; }
+       { $as_echo "$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-Wall" : "x-W.*" >/dev/null
+       if expr "x-W" : "x-W.*" >/dev/null
        then
-           CFLAGS="$CFLAGS $ac_lbl_unknown_warning_option_error -Wall"
-       elif expr "x-Wall" : "x-f.*" >/dev/null
+           CFLAGS="$CFLAGS $ac_lbl_unknown_warning_option_error -W"
+       elif expr "x-W" : "x-f.*" >/dev/null
        then
-           CFLAGS="$CFLAGS -Werror -Wall"
-       elif expr "x-Wall" : "x-m.*" >/dev/null
+           CFLAGS="$CFLAGS -Werror -W"
+       elif expr "x-W" : "x-m.*" >/dev/null
        then
-           CFLAGS="$CFLAGS -Werror -Wall"
+           CFLAGS="$CFLAGS -Werror -W"
        else
-           CFLAGS="$CFLAGS -Wall"
+           CFLAGS="$CFLAGS -W"
        fi
        cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
@@ -6800,7 +6779,7 @@ 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="$V_CCOPT -Wall"
+               V_CCOPT="$V_CCOPT -W"
 
 else
 
@@ -6812,20 +6791,20 @@ 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 -Wall option" >&5
+$as_echo_n "checking whether the compiler supports the -Wall option... " >&6; }
        save_CFLAGS="$CFLAGS"
-       if expr "x-Wmissing-prototypes" : "x-W.*" >/dev/null
+       if expr "x-Wall" : "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 $ac_lbl_unknown_warning_option_error -Wall"
+       elif expr "x-Wall" : "x-f.*" >/dev/null
        then
-           CFLAGS="$CFLAGS -Werror -Wmissing-prototypes"
-       elif expr "x-Wmissing-prototypes" : "x-m.*" >/dev/null
+           CFLAGS="$CFLAGS -Werror -Wall"
+       elif expr "x-Wall" : "x-m.*" >/dev/null
        then
-           CFLAGS="$CFLAGS -Werror -Wmissing-prototypes"
+           CFLAGS="$CFLAGS -Werror -Wall"
        else
-           CFLAGS="$CFLAGS -Wmissing-prototypes"
+           CFLAGS="$CFLAGS -Wall"
        fi
        cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
@@ -6843,7 +6822,7 @@ 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 -Wall"
 
 else
 
@@ -6855,20 +6834,20 @@ 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 -Wassign-enum option" >&5
+$as_echo_n "checking whether the compiler supports the -Wassign-enum option... " >&6; }
        save_CFLAGS="$CFLAGS"
-       if expr "x-Wstrict-prototypes" : "x-W.*" >/dev/null
+       if expr "x-Wassign-enum" : "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 $ac_lbl_unknown_warning_option_error -Wassign-enum"
+       elif expr "x-Wassign-enum" : "x-f.*" >/dev/null
        then
-           CFLAGS="$CFLAGS -Werror -Wstrict-prototypes"
-       elif expr "x-Wstrict-prototypes" : "x-m.*" >/dev/null
+           CFLAGS="$CFLAGS -Werror -Wassign-enum"
+       elif expr "x-Wassign-enum" : "x-m.*" >/dev/null
        then
-           CFLAGS="$CFLAGS -Werror -Wstrict-prototypes"
+           CFLAGS="$CFLAGS -Werror -Wassign-enum"
        else
-           CFLAGS="$CFLAGS -Wstrict-prototypes"
+           CFLAGS="$CFLAGS -Wassign-enum"
        fi
        cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
@@ -6886,7 +6865,7 @@ 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 -Wassign-enum"
 
 else
 
@@ -6898,20 +6877,20 @@ 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 -Wcast-qual option" >&5
+$as_echo_n "checking whether the compiler supports the -Wcast-qual option... " >&6; }
        save_CFLAGS="$CFLAGS"
-       if expr "x-Wwrite-strings" : "x-W.*" >/dev/null
+       if expr "x-Wcast-qual" : "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 $ac_lbl_unknown_warning_option_error -Wcast-qual"
+       elif expr "x-Wcast-qual" : "x-f.*" >/dev/null
        then
-           CFLAGS="$CFLAGS -Werror -Wwrite-strings"
-       elif expr "x-Wwrite-strings" : "x-m.*" >/dev/null
+           CFLAGS="$CFLAGS -Werror -Wcast-qual"
+       elif expr "x-Wcast-qual" : "x-m.*" >/dev/null
        then
-           CFLAGS="$CFLAGS -Werror -Wwrite-strings"
+           CFLAGS="$CFLAGS -Werror -Wcast-qual"
        else
-           CFLAGS="$CFLAGS -Wwrite-strings"
+           CFLAGS="$CFLAGS -Wcast-qual"
        fi
        cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
@@ -6929,7 +6908,7 @@ 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 -Wcast-qual"
 
 else
 
@@ -6941,20 +6920,20 @@ 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 -Wmissing-prototypes option" >&5
+$as_echo_n "checking whether the compiler supports the -Wmissing-prototypes option... " >&6; }
        save_CFLAGS="$CFLAGS"
-       if expr "x-Wpointer-arith" : "x-W.*" >/dev/null
+       if expr "x-Wmissing-prototypes" : "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 $ac_lbl_unknown_warning_option_error -Wmissing-prototypes"
+       elif expr "x-Wmissing-prototypes" : "x-f.*" >/dev/null
        then
-           CFLAGS="$CFLAGS -Werror -Wpointer-arith"
-       elif expr "x-Wpointer-arith" : "x-m.*" >/dev/null
+           CFLAGS="$CFLAGS -Werror -Wmissing-prototypes"
+       elif expr "x-Wmissing-prototypes" : "x-m.*" >/dev/null
        then
-           CFLAGS="$CFLAGS -Werror -Wpointer-arith"
+           CFLAGS="$CFLAGS -Werror -Wmissing-prototypes"
        else
-           CFLAGS="$CFLAGS -Wpointer-arith"
+           CFLAGS="$CFLAGS -Wmissing-prototypes"
        fi
        cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
@@ -6972,7 +6951,7 @@ 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 -Wmissing-prototypes"
 
 else
 
@@ -6984,20 +6963,20 @@ 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 -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-Wcast-qual" : "x-W.*" >/dev/null
+       if expr "x-Wold-style-definition" : "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 $ac_lbl_unknown_warning_option_error -Wold-style-definition"
+       elif expr "x-Wold-style-definition" : "x-f.*" >/dev/null
        then
-           CFLAGS="$CFLAGS -Werror -Wcast-qual"
-       elif expr "x-Wcast-qual" : "x-m.*" >/dev/null
+           CFLAGS="$CFLAGS -Werror -Wold-style-definition"
+       elif expr "x-Wold-style-definition" : "x-m.*" >/dev/null
        then
-           CFLAGS="$CFLAGS -Werror -Wcast-qual"
+           CFLAGS="$CFLAGS -Werror -Wold-style-definition"
        else
-           CFLAGS="$CFLAGS -Wcast-qual"
+           CFLAGS="$CFLAGS -Wold-style-definition"
        fi
        cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
@@ -7015,7 +6994,7 @@ 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 -Wold-style-definition"
 
 else
 
@@ -7027,20 +7006,20 @@ 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 -Wpedantic option" >&5
+$as_echo_n "checking whether the compiler supports the -Wpedantic option... " >&6; }
        save_CFLAGS="$CFLAGS"
-       if expr "x-Wshadow" : "x-W.*" >/dev/null
+       if expr "x-Wpedantic" : "x-W.*" >/dev/null
        then
-           CFLAGS="$CFLAGS $ac_lbl_unknown_warning_option_error -Wshadow"
-       elif expr "x-Wshadow" : "x-f.*" >/dev/null
+           CFLAGS="$CFLAGS $ac_lbl_unknown_warning_option_error -Wpedantic"
+       elif expr "x-Wpedantic" : "x-f.*" >/dev/null
        then
-           CFLAGS="$CFLAGS -Werror -Wshadow"
-       elif expr "x-Wshadow" : "x-m.*" >/dev/null
+           CFLAGS="$CFLAGS -Werror -Wpedantic"
+       elif expr "x-Wpedantic" : "x-m.*" >/dev/null
        then
-           CFLAGS="$CFLAGS -Werror -Wshadow"
+           CFLAGS="$CFLAGS -Werror -Wpedantic"
        else
-           CFLAGS="$CFLAGS -Wshadow"
+           CFLAGS="$CFLAGS -Wpedantic"
        fi
        cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
@@ -7058,7 +7037,7 @@ 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 -Wpedantic"
 
 else
 
@@ -7070,20 +7049,20 @@ 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 -Wpointer-arith option" >&5
+$as_echo_n "checking whether the compiler supports the -Wpointer-arith option... " >&6; }
        save_CFLAGS="$CFLAGS"
-       if expr "x-Wdeclaration-after-statement" : "x-W.*" >/dev/null
+       if expr "x-Wpointer-arith" : "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 $ac_lbl_unknown_warning_option_error -Wpointer-arith"
+       elif expr "x-Wpointer-arith" : "x-f.*" >/dev/null
        then
-           CFLAGS="$CFLAGS -Werror -Wdeclaration-after-statement"
-       elif expr "x-Wdeclaration-after-statement" : "x-m.*" >/dev/null
+           CFLAGS="$CFLAGS -Werror -Wpointer-arith"
+       elif expr "x-Wpointer-arith" : "x-m.*" >/dev/null
        then
-           CFLAGS="$CFLAGS -Werror -Wdeclaration-after-statement"
+           CFLAGS="$CFLAGS -Werror -Wpointer-arith"
        else
-           CFLAGS="$CFLAGS -Wdeclaration-after-statement"
+           CFLAGS="$CFLAGS -Wpointer-arith"
        fi
        cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
@@ -7101,7 +7080,7 @@ 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 -Wpointer-arith"
 
 else
 
@@ -7113,20 +7092,20 @@ 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 -Wshadow option" >&5
+$as_echo_n "checking whether the compiler supports the -Wshadow option... " >&6; }
        save_CFLAGS="$CFLAGS"
-       if expr "x-Wpedantic" : "x-W.*" >/dev/null
+       if expr "x-Wshadow" : "x-W.*" >/dev/null
        then
-           CFLAGS="$CFLAGS $ac_lbl_unknown_warning_option_error -Wpedantic"
-       elif expr "x-Wpedantic" : "x-f.*" >/dev/null
+           CFLAGS="$CFLAGS $ac_lbl_unknown_warning_option_error -Wshadow"
+       elif expr "x-Wshadow" : "x-f.*" >/dev/null
        then
-           CFLAGS="$CFLAGS -Werror -Wpedantic"
-       elif expr "x-Wpedantic" : "x-m.*" >/dev/null
+           CFLAGS="$CFLAGS -Werror -Wshadow"
+       elif expr "x-Wshadow" : "x-m.*" >/dev/null
        then
-           CFLAGS="$CFLAGS -Werror -Wpedantic"
+           CFLAGS="$CFLAGS -Werror -Wshadow"
        else
-           CFLAGS="$CFLAGS -Wpedantic"
+           CFLAGS="$CFLAGS -Wshadow"
        fi
        cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
@@ -7144,7 +7123,7 @@ 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 -Wshadow"
 
 else
 
@@ -7156,20 +7135,20 @@ 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.  */
@@ -7187,7 +7166,7 @@ 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
 
@@ -7199,20 +7178,20 @@ 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.  */
@@ -7230,7 +7209,7 @@ 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
 
@@ -7242,20 +7221,20 @@ 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.  */
@@ -7273,7 +7252,7 @@ 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
 
@@ -7285,20 +7264,20 @@ 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.  */
@@ -7316,7 +7295,7 @@ 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