From: Harlan Stenn Date: Sun, 16 Jan 2011 01:14:14 +0000 (-0500) Subject: Merge psp-fb1.ntp.org:/home/stenn/ntp-dev X-Git-Tag: NTP_4_2_7P131~17 X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=fa87c8f3ab5882560951022b8bab43e477f827b6;p=thirdparty%2Fntp.git Merge psp-fb1.ntp.org:/home/stenn/ntp-dev into psp-fb1.ntp.org:/a/etc/amd.stage/thump2-g3/export/ntp/home/stenn/ntp-dev-libevent bk: 4d324666YHSMYe97VoZ9dfcTAg-evw --- fa87c8f3ab5882560951022b8bab43e477f827b6 diff --cc sntp/Makefile.am index 7d981444b,6ede1df14..90fb3781d --- a/sntp/Makefile.am +++ b/sntp/Makefile.am @@@ -4,31 -4,35 +4,46 @@@ NULL ## LIBOPTS_CHECK_NOBUILD works with Automake 1.10 now AUTOMAKE_OPTIONS = foreign 1.10 - ACLOCAL_AMFLAGS = -I ../m4 -I libopts/m4 - - AM_CPPFLAGS = \ - $(LIBEVENT_CPPFLAGS) \ - $(LIBOPTS_CFLAGS) \ - -I$(top_srcdir)/../include \ - -I$(top_srcdir)/../lib/isc/include \ - -I$(top_srcdir)/../lib/isc/nothreads/include \ - -I$(top_srcdir)/../lib/isc/unix/include \ - $(NULL) - - LDADD = version.o $(LIBOPTS_LDADD) $(LIBEVENT_LDADD) $(LIBM) ../libntp/libntp.a @LCRYPTO@ + ACLOCAL_AMFLAGS = -I m4 -I libopts/m4 + ++#AM_CPPFLAGS = \ ++# $(LIBEVENT_CPPFLAGS) \ ++# $(LIBOPTS_CFLAGS) \ ++# -I$(top_srcdir)/../include \ ++# -I$(top_srcdir)/../lib/isc/include \ ++# -I$(top_srcdir)/../lib/isc/nothreads/include \ ++# -I$(top_srcdir)/../lib/isc/unix/include \ ++# $(NULL) ++ + CFLAGS = @CFLAGS_NTP@ + AM_CPPFLAGS = @CPPFLAGS_NTP@ + + INCLUDES = $(LIBOPTS_CFLAGS) + INCLUDES += -I$(top_srcdir)/../include + INCLUDES += -I$(top_srcdir)/../lib/isc/include + INCLUDES += -I$(top_srcdir)/../lib/isc/nothreads/include + INCLUDES += -I$(top_srcdir)/../lib/isc/unix/include + -LDADD = $(LIBOPTS_LDADD) ++LDADD = version.o ++LDADD += $(LIBOPTS_LDADD) ++LDADD += $(LIBEVENT_LDADD) + LDADD += $(LIBM) + LDADD += ../libntp/libntp.a + LDADD += @LCRYPTO@ run_ag = cd $(srcdir) && env PATH="$(abs_builddir):$(PATH)" \ - autogen -L ../include --writable + autogen -L include --writable + + EXTRA_PROGRAMS = sntp if NTP_BINSUBDIR_IS_BIN - bin_PROGRAMS = sntp + bin_PROGRAMS = @SNTP@ else - sbin_PROGRAMS = sntp + sbin_PROGRAMS = @SNTP@ endif - CLEANFILES = check-COPYRIGHT-submake + SUBDIRS = include - SUBDIRS = if NEED_LIBOPTS SUBDIRS += libopts endif @@@ -60,12 -61,7 +75,11 @@@ sntp_SOURCES = utilities.h \ $(NULL) +DISTCLEANFILES = \ + version.c \ + $(NULL) + EXTRA_DIST = \ - $(srcdir)/autogen-version.def \ bincheck.mf \ $(srcdir)/COPYRIGHT \ deps-ver \ @@@ -117,64 -113,33 +131,50 @@@ FRC FRC.version @: similarly always be outdated causing their rules to fire @: each time they or a dependent is built. - $(srcdir)/version: FRC - @cd $(srcdir) \ - && test -f ../version \ - && ( cd .. && $(MAKE) version ) \ - && ( cmp -s version ../version || cp ../version version ) - +# We probably need something about libevent, too +version.o: $(sntp_OBJECTS) ../libntp/libntp.a Makefile $(top_srcdir)/version + env CSET=`cat $(top_srcdir)/version` ../$(top_builddir)/scripts/mkver sntp + $(COMPILE) -c version.c + +check-autogen-version.def: FRC + @cd $(srcdir) \ + && test -r ../include/autogen-version.def \ + && ( if cmp -s ../include/autogen-version.def autogen-version.def; \ + then : ; \ + else cp ../include/autogen-version.def autogen-version.def; \ + echo "Installing new sntp/autogen-version.def file"; \ + fi ) + +$(srcdir)/autogen-version.def: + $(MAKE) check-autogen-version.def + - check-version.def: FRC - @cd $(srcdir) \ - && test -r ../include/version.def \ - && ( if cmp -s ../include/version.def version.def; \ - then : ; \ - else cp ../include/version.def version.def; \ - echo "Installing new sntp/version.def file"; \ - fi ) - - $(srcdir)/version.def: - $(MAKE) check-version.def - - check-version.m4: FRC - @cd $(srcdir) \ - && test -r ../version.m4 \ - && ( if cmp -s ../version.m4 version.m4; \ - then : ; \ - else cp ../version.m4 version.m4; \ - echo "Installing new sntp/version.m4 file"; \ - fi ) - - $(srcdir)/version.m4: - $(MAKE) check-version.m4 - - check-version.texi: FRC - @cd $(srcdir) \ - && test -r ../include/version.texi \ - && ( if cmp -s ../include/version.texi version.texi; \ - then : ; \ - else cp ../include/version.texi version.texi; \ - echo "Installing new sntp/version.texi file"; \ - fi ) - - $(srcdir)/version.texi: - $(MAKE) check-version.texi + built-sources-only: $(BUILT_SOURCES) + @: do-nothing action to avoid default SCCS get + + # HMS: The next bit is still suboptimal. If bk is present but this NTP + # repo is not a bk repo, we'll get an error message from the prs command. + # Unfortunately, I haven't found the necessary magic to redirect this error + # output to /dev/null under ancient/unique shells like the one Ultrix uses. + # We'll also get an error if srcdir or version is unwritable. + $(srcdir)/version: FRC.version + -test -r $(srcdir)/../SCCS/s.ChangeSet && \ + (bk version) >/dev/null 2>&1 && \ + cd $(srcdir)/.. && \ + x=`bk -R prs -hr+ -nd:I: ChangeSet` && \ + y=`cat sntp/version 2>/dev/null` || true && \ + case "$$x" in ''|$$y) ;; *) echo $$x > sntp/version ;; esac + + $(srcdir)/m4/version.m4: $(srcdir)/../packageinfo.sh + TEMPDIR=`pwd` && export TEMPDIR && cd $(srcdir) && \ + ../scripts/genver m4/version.m4 + + $(srcdir)/include/version.def: $(srcdir)/../packageinfo.sh + TEMPDIR=`pwd` && export TEMPDIR && cd $(srcdir) && \ + ../scripts/genver include/version.def + + $(srcdir)/include/version.texi: $(srcdir)/../packageinfo.sh + TEMPDIR=`pwd` && export TEMPDIR && cd $(srcdir) && \ + ../scripts/genver include/version.texi $(srcdir)/../COPYRIGHT: cd .. && $(MAKE) COPYRIGHT-please @@@ -195,17 -160,17 +195,17 @@@ $(srcdir)/COPYRIGHT: check-COPYRIGH $(srcdir)/sntp-opts.h: $(srcdir)/sntp-opts.c @: do-nothing action to avoid default SCCS get, .h built with .c - + - $(srcdir)/sntp-opts.c: $(srcdir)/sntp-opts.def $(srcdir)/version.def $(srcdir)/../include/copyright.def + $(srcdir)/sntp-opts.c: $(srcdir)/sntp-opts.def $(srcdir)/include/version.def $(srcdir)/include/copyright.def $(run_ag) sntp-opts.def - $(srcdir)/sntp.1: $(srcdir)/sntp-opts.def $(srcdir)/version.def $(srcdir)/../include/copyright.def + $(srcdir)/sntp.1: $(srcdir)/sntp-opts.def $(srcdir)/include/version.def $(srcdir)/include/copyright.def $(run_ag) -Tagman1.tpl -bsntp sntp-opts.def $(srcdir)/sntp-opts.menu: $(srcdir)/sntp-opts.texi @: do-nothing action to avoid default SCCS get, .menu built with .texi - + - $(srcdir)/sntp-opts.texi: $(srcdir)/sntp-opts.def $(srcdir)/version.def $(srcdir)/../include/copyright.def + $(srcdir)/sntp-opts.texi: $(srcdir)/sntp-opts.def $(srcdir)/include/version.def $(srcdir)/include/copyright.def $(run_ag) -Taginfo.tpl -DLEVEL=section sntp-opts.def $(top_srcdir)/../scripts/check--help $@ diff --cc sntp/configure.ac index 46c0adf81,875d504d0..4e5bcdf05 --- a/sntp/configure.ac +++ b/sntp/configure.ac @@@ -152,61 -72,10 +72,11 @@@ case "${enable_libopts_install+set}" i *) enable_libopts_install=no ;; esac LIBOPTS_CHECK +NTP_LIBEVENT_CHECK - NTP_DIR_SEP + NTP_LIBNTP # Checks for libraries. - NTP_LIB_M - - case "$GCC" in - yes) - CFLAGS="$CFLAGS -Wall" - # CFLAGS="$CFLAGS -Wcast-align" - CFLAGS="$CFLAGS -Wcast-qual" - # CFLAGS="$CFLAGS -Wconversion" - # CFLAGS="$CFLAGS -Werror" - # CFLAGS="$CFLAGS -Wextra" - # CFLAGS="$CFLAGS -Wfloat-equal" - CFLAGS="$CFLAGS -Wmissing-prototypes" - CFLAGS="$CFLAGS -Wpointer-arith" - CFLAGS="$CFLAGS -Wshadow" - # CFLAGS="$CFLAGS -Wtraditional" - # CFLAGS="$CFLAGS -Wwrite-strings" - case "$ntp_cv_gcc_Winit_self" in - yes) - CFLAGS="$CFLAGS -Winit-self" - esac - case "$ntp_cv_gcc_Wstrict_overflow" in - yes) - CFLAGS="$CFLAGS -Wstrict-overflow" - esac - # -W[no-]strict-prototypes might be added by NTP_OPENSSL - esac - - # [Bug 1628] On Solaris, we need -lxnet -lsocket. Generalize this to - # avoid keying on the OS name: If we find socket functions in - # libsocket, next try for them in libxnet without libsocket, if found, - # list both. If we simply tested libxnet first, we would find the - # functions there and never add libsocket. See also [Bug 660] - # http://bugs.ntp.org/show_bug.cgi?id=660#c9 - saved_LIBS=$LIBS - AC_SEARCH_LIBS([setsockopt], [socket]) - case "$ac_cv_search_setsockopt" in - -lsocket) - LIBS="$saved_LIBS" - AC_SEARCH_LIBS([getsockopt], [xnet]) - case "$ac_cv_search_getsockopt" in - -lxnet) - LIBS="-lxnet -lsocket $saved_LIBS" - ;; - *) - LIBS="-lsocket $saved_LIBS" - ;; - esac - ;; - esac - AS_UNSET([saved_LIBS]) AC_SEARCH_LIBS([inet_pton], [nsl]) AC_SEARCH_LIBS([openlog], [gen syslog]) @@@ -645,304 -209,7 +210,6 @@@ AC_CHECK_FUNC([inet_ntop], [] AC_CHECK_FUNC([inet_pton], [], [AC_DEFINE([ISC_PLATFORM_NEEDPTON], [1], [ISC: provide inet_pton()])]) - AC_CACHE_CHECK( - [struct sockaddr for sa_len], - [isc_cv_platform_havesalen], - [AC_COMPILE_IFELSE( - [AC_LANG_PROGRAM( - [[ - #include - #include - ]], - [[ - extern struct sockaddr *ps; - return ps->sa_len; - ]] - )], - [isc_cv_platform_havesalen=yes], - [isc_cv_platform_havesalen=no] - )] - ) - case "$isc_cv_platform_havesalen" in - yes) - AC_DEFINE([ISC_PLATFORM_HAVESALEN], [1], - [struct sockaddr has sa_len?]) - esac - - AC_MSG_CHECKING([if we're including sntp debugging code]) - AC_ARG_ENABLE( - [debugging], - [AS_HELP_STRING( - [--enable-debugging], - [+ include sntp debugging code] - )], - [ans=$enableval], - [ans=yes] - ) - case "$ans" in - yes) - AC_DEFINE([DEBUG], [1], [Enable sntp debugging code?]) - esac - AC_MSG_RESULT([$ans]) - - AC_ARG_ENABLE( - [ipv6], - [AS_HELP_STRING( - [--enable-ipv6], - [s use IPv6?] - )] - ) - - case "$enable_ipv6" in - yes|''|autodetect) - case "$host" in - powerpc-ibm-aix4*) - ;; - *) - AC_DEFINE([WANT_IPV6], [1], [configure --enable-ipv6]) - ;; - esac - ;; - no) - ;; - esac - - - AC_CACHE_CHECK( - [for IPv6 structures], - [isc_cv_found_ipv6], - [AC_COMPILE_IFELSE( - [AC_LANG_PROGRAM( - [[ - #include - #include - #include - ]], - [[ - struct sockaddr_in6 sin6; - ]] - )], - [isc_cv_found_ipv6=yes], - [isc_cv_found_ipv6=no] - )] - ) - - # - # See whether IPv6 support is provided via a Kame add-on. - # This is done before other IPv6 linking tests so LIBS is properly set. - # - AC_MSG_CHECKING([for Kame IPv6 support]) - AC_ARG_WITH( - [kame], - [AS_HELP_STRING( - [--with-kame], - [- =/usr/local/v6] - )], - [use_kame="$withval"], - [use_kame="no"] - ) - case "$use_kame" in - no) - ;; - yes) - kame_path=/usr/local/v6 - ;; - *) - kame_path="$use_kame" - ;; - esac - case "$use_kame" in - no) - AC_MSG_RESULT([no]) - ;; - *) - if test -f $kame_path/lib/libinet6.a; then - AC_MSG_RESULT([$kame_path/lib/libinet6.a]) - LIBS="-L$kame_path/lib -linet6 $LIBS" - else - AC_MSG_ERROR([$kame_path/lib/libinet6.a not found. - - Please choose the proper path with the following command: - - configure --with-kame=PATH - ]) - fi - ;; - esac - - # - # Whether netinet6/in6.h is needed has to be defined in isc/platform.h. - # Including it on Kame-using platforms is very bad, though, because - # Kame uses #error against direct inclusion. So include it on only - # the platform that is otherwise broken without it -- BSD/OS 4.0 through 4.1. - # This is done before the in6_pktinfo check because that's what - # netinet6/in6.h is needed for. - # - case "$host" in - *-bsdi4.[[01]]*) - AC_DEFINE([ISC_PLATFORM_NEEDNETINET6IN6H], [1], - [Do we need netinet6/in6.h?]) - isc_netinet6in6_hack="#include " - ;; - *) - isc_netinet6in6_hack="" - ;; - esac - - # - # This is similar to the netinet6/in6.h issue. - # - case "$host" in - *-sco-sysv*uw*|*-*-sysv*UnixWare*|*-*-sysv*OpenUNIX*) - AC_DEFINE([ISC_PLATFORM_FIXIN6ISADDR], [1], - [Do we need to fix in6isaddr?]) - isc_netinetin6_hack="#include " - ;; - *) - isc_netinetin6_hack="" - ;; - esac - - - case "$isc_cv_found_ipv6" in - yes) - AC_DEFINE([ISC_PLATFORM_HAVEIPV6], [1], [have IPv6?]) - AC_CACHE_CHECK( - [for in6_pktinfo], - [isc_cv_have_in6_pktinfo], - [AC_COMPILE_IFELSE( - [AC_LANG_PROGRAM( - [[ - #include - #include - #include - $isc_netinetin6_hack - $isc_netinet6in6_hack - ]], - [[ - struct in6_pktinfo xyzzy; - ]] - )], - [isc_cv_have_in6_pktinfo=yes], - [isc_cv_have_in6_pktinfo=no] - )] - ) - case "$isc_cv_have_in6_pktinfo" in - yes) - AC_DEFINE([ISC_PLATFORM_HAVEIN6PKTINFO], [1], - [have struct in6_pktinfo?]) - esac - - - # HMS: Use HAVE_STRUCT_SOCKADDR_IN6_SIN6_SCOPE_ID instead? - AC_CACHE_CHECK( - [for sockaddr_in6.sin6_scope_id], - [isc_cv_have_sin6_scope_id], - [AC_COMPILE_IFELSE( - [AC_LANG_PROGRAM( - [[ - #include - #include - #include - $isc_netinetin6_hack - $isc_netinet6in6_hack - ]], - [[ - struct sockaddr_in6 xyzzy; - xyzzy.sin6_scope_id = 0; - ]] - )], - [isc_cv_have_sin6_scope_id=yes], - [isc_cv_have_sin6_scope_id=no] - )] - ) - - case "$isc_cv_have_sin6_scope_id" in - yes) - AC_DEFINE([ISC_PLATFORM_HAVESCOPEID], [1], [sin6_scope_id?]) - esac - esac - - - # We need this check run even without isc_cv_found_ipv6=yes - - AC_CACHE_CHECK( - [for in6addr_any], - [isc_cv_have_in6addr_any], - [AC_LINK_IFELSE( - [AC_LANG_PROGRAM( - [[ - #include - #include - #include - $isc_netinetin6_hack - $isc_netinet6in6_hack - ]], - [[ - struct in6_addr in6; - in6 = in6addr_any; - ]] - )], - [isc_cv_have_in6addr_any=yes], - [isc_cv_have_in6addr_any=no] - )] - ) - - case "$isc_cv_have_in6addr_any" in - no) - AC_DEFINE([ISC_PLATFORM_NEEDIN6ADDRANY], [1], [missing in6addr_any?]) - esac - - - AC_CACHE_CHECK( - [for struct if_laddrconf], - [isc_cv_struct_if_laddrconf], - [AC_COMPILE_IFELSE( - [AC_LANG_PROGRAM( - [[ - #include - #include - ]], - [[ - struct if_laddrconf a; - ]] - )], - [isc_cv_struct_if_laddrconf=yes], - [isc_cv_struct_if_laddrconf=no] - )] - ) - - case "$isc_cv_struct_if_laddrconf" in - yes) - AC_DEFINE([ISC_PLATFORM_HAVEIF_LADDRCONF], [1], - [have struct if_laddrconf?]) - esac - - AC_CACHE_CHECK( - [for struct if_laddrreq], - isc_cv_struct_if_laddrreq, - [AC_COMPILE_IFELSE( - [AC_LANG_PROGRAM( - [[ - #include - #include - ]], - [[ - struct if_laddrreq a; - ]] - )], - [isc_cv_struct_if_laddrreq=yes], - [isc_cv_struct_if_laddrreq=no] - )] - ) - - case "$isc_cv_struct_if_laddrreq" in - yes) - AC_DEFINE([ISC_PLATFORM_HAVEIF_LADDRREQ], [1], - [have struct if_laddrreq?]) - esac - -- ### # Hacks @@@ -982,14 -224,7 +224,15 @@@ AC_CHECK_FUNCS([socket vsnprintf vsprin AC_PROG_CXX NTP_GOOGLETEST +case "$NEED_LIBEVENT_DIR" in + true) + AC_CONFIG_SUBDIRS([libevent]) + ;; +esac + AC_CONFIG_FILES([Makefile]) +AC_CONFIG_FILES(build-libevent/Makefile) + AC_CONFIG_FILES([include/Makefile]) AC_CONFIG_FILES([tests/Makefile]) + AC_OUTPUT diff --cc sntp/sntp-opts.c index 8254ddc18,c87a85d8e..9c7d4785d --- a/sntp/sntp-opts.c +++ b/sntp/sntp-opts.c @@@ -589,10 -472,9 +589,10 @@@ static tOptDesc optDesc[ OPTION_CT ] = * Define the Sntp Option Environment */ static char const zPROGNAME[5] = "SNTP"; -static char const zUsageTitle[123] = +static char const zUsageTitle[130] = - "sntp - standard SNTP program - Ver. 4.2.7p114\n\ + "sntp - standard SNTP program - Ver. 4.2.7p118\n\ -USAGE: %s [ - [] | --[{=| }] ]... hostname-or-IP ...\n"; +USAGE: %s [ - [] | --[{=| }] ]... \\\n\ +\t\t[ hostname-or-IP ...]\n"; static char const zRcName[7] = ".ntprc"; static char const * const apzHomeList[3] = { "$HOME", diff --cc sntp/sntp-opts.h index d9a6aa4e0,923c19260..0b7a47448 --- a/sntp/sntp-opts.h +++ b/sntp/sntp-opts.h @@@ -50,32 -50,28 +50,32 @@@ * Enumeration of each option: */ typedef enum { - INDEX_OPT_IPV4 = 0, - INDEX_OPT_IPV6 = 1, - INDEX_OPT_NORMALVERBOSE = 2, - INDEX_OPT_KOD = 3, - INDEX_OPT_SYSLOG = 4, - INDEX_OPT_FILELOG = 5, - INDEX_OPT_SETTOD = 6, - INDEX_OPT_ADJTIME = 7, - INDEX_OPT_BROADCAST = 8, - INDEX_OPT_TIMEOUT = 9, - INDEX_OPT_AUTHENTICATION = 10, - INDEX_OPT_KEYFILE = 11, - INDEX_OPT_VERSION = 12, - INDEX_OPT_HELP = 13, - INDEX_OPT_MORE_HELP = 14, - INDEX_OPT_SAVE_OPTS = 15, - INDEX_OPT_LOAD_OPTS = 16 + INDEX_OPT_DEBUG_LEVEL = 0, + INDEX_OPT_SET_DEBUG_LEVEL = 1, + INDEX_OPT_IPV4 = 2, + INDEX_OPT_IPV6 = 3, + INDEX_OPT_KOD = 4, + INDEX_OPT_SYSLOG = 5, + INDEX_OPT_FILELOG = 6, + INDEX_OPT_STEPLIMIT = 7, + INDEX_OPT_SETTOD = 8, + INDEX_OPT_ADJTIME = 9, + INDEX_OPT_CONCURRENT = 10, + INDEX_OPT_BROADCAST = 11, + INDEX_OPT_TIMEOUT = 12, + INDEX_OPT_AUTHENTICATION = 13, + INDEX_OPT_KEYFILE = 14, + INDEX_OPT_UNPRIV_PORT = 15, + INDEX_OPT_VERSION = 16, + INDEX_OPT_HELP = 17, + INDEX_OPT_MORE_HELP = 18, + INDEX_OPT_SAVE_OPTS = 19, + INDEX_OPT_LOAD_OPTS = 20 } teOptIndex; -#define OPTION_CT 17 +#define OPTION_CT 21 - #define SNTP_VERSION "4.2.7p114" - #define SNTP_FULL_VERSION "sntp - standard SNTP program - Ver. 4.2.7p114" + #define SNTP_VERSION "4.2.7p118" + #define SNTP_FULL_VERSION "sntp - standard SNTP program - Ver. 4.2.7p118" /* * Interface defines for all options. Replace "n" with the UPPER_CASED diff --cc sntp/sntp-opts.texi index c88c8ddd6,709f5553e..7339a6aab --- a/sntp/sntp-opts.texi +++ b/sntp/sntp-opts.texi @@@ -73,14 -69,9 +73,14 @@@ This is the automatically generated usa @exampleindent 0 @example - sntp - standard SNTP program - Ver. 4.2.7p114 + sntp - standard SNTP program - Ver. 4.2.7p118 -USAGE: sntp [ - [] | --[@{=| @}] ]... hostname-or-IP ... +USAGE: sntp [ - [] | --[@{=| @}] ]... \ + [ hostname-or-IP ...] Flg Arg Option-Name Description + -d no debug-level Increase output debug message level + - may appear multiple times + -D Str set-debug-level Set the output debug message level + - may appear multiple times -4 no ipv4 Force IPv4 DNS name resolution - prohibits these options: ipv6 diff --cc sntp/sntp.html index 3ad3663e3,318caf6be..acacc37ea --- a/sntp/sntp.html +++ b/sntp/sntp.html @@@ -148,14 -139,9 +148,14 @@@ Up:  This is the automatically generated usage text for sntp: - 
sntp - standard SNTP program - Ver. 4.2.7p114
+ 
sntp - standard SNTP program - Ver. 4.2.7p118
 -USAGE:  sntp [ -<flag> [<val>] | --<name>[{=| }<val>] ]... hostname-or-IP ...
 +USAGE:  sntp [ -<flag> [<val>] | --<name>[{=| }<val>] ]... \
 +                [ hostname-or-IP ...]
    Flg Arg Option-Name    Description
 +   -d no  debug-level    Increase output debug message level
 +                                - may appear multiple times
 +   -D Str set-debug-level Set the output debug message level
 +                                - may appear multiple times
     -4 no  ipv4           Force IPv4 DNS name resolution
                                  - prohibits these options:
                                  ipv6