[ptxdist] [PATCH] ntp: make sntp configureable

[ptxdist] [PATCH] ntp: make sntp configureable

[Fabian Pflug]

Signed-off-by: Fabian Pflug <f.pflug@pengutronix.de>
---
 rules/ntp.in   | 12 +++++++++++-
 rules/ntp.make | 10 +++++++++-
 2 files changed, 20 insertions(+), 2 deletions(-)

diff --git a/rules/ntp.in b/rules/ntp.in
index 2d85c8fac..0d80840c2 100644
--- a/rules/ntp.in
+++ b/rules/ntp.in
@@ -97,6 +97,17 @@ config NTP_CRYPTO
 	help
 	  FIXME: This item needs to be documented
 
+config NTP_SNTP
+	bool
+	prompt "build SNTP"
+	help
+	  Simple Network Time Protocol is a subset of the Network
+	  Time Protocol (NTP). SNTP can be used when the ultimate
+	  performance of a full NTP implementation based on
+	  RFC 1305 is neither needed nor justified.
+	  It is strongly recommended that SNTP be used only at
+	  the extremities of the synchronization subnet.
+
 comment "Clock drivers"
 
 config NTP_ALL_CLOCK_DRIVERS
@@ -176,4 +187,3 @@ endif
 
 comment "NTP conflicts with OpenNTPD"
 	depends on NTP && OPENNTPD
-
diff --git a/rules/ntp.make b/rules/ntp.make
index 9c6c9555d..429023645 100644
--- a/rules/ntp.make
+++ b/rules/ntp.make
@@ -128,7 +128,7 @@ NTP_CONF_OPT	:= \
 	--disable-kmem \
 	--enable-accurate-adjtime \
 	--disable-simulator \
-	--without-sntp \
+	--$(call ptx/wwo, PTXCONF_NTP_SNTP)-sntp \
 	--without-ntpsnmpd \
 	--$(call ptx/endis, PTXCONF_NTP_SLEW_ALWAYS)-slew-always \
 	--$(call ptx/endis, PTXCONF_NTP_STEP_SLEW)-step-slew \
@@ -180,6 +180,14 @@ ifdef PTXCONF_NTP_NTPD
 	@$(call install_alternative, ntp, 0, 0, 0644, /etc/ntp-server.conf)
 endif
 
+#	#
+#	# sntp client
+#	#
+ifdef PTXCONF_NTP_SNTP
+	@$(call install_copy, ntp, 0, 0, 0755, -, \
+		/usr/sbin/sntp)
+endif
+
 ifdef PTXCONF_NTP_NTPD_STARTSCRIPT
 	@$(call install_alternative, ntp, 0, 0, 0755, /etc/init.d/ntp-server)
 
-- 
2.39.5

Re: [ptxdist] [APPLIED] ntp: make sntp configureable

[Michael Olbrich]

Thanks, applied as 6f4351b085dd7be2a877eac808eda23af7ebe6a4.

Michael

[sent from post-receive hook]

On Fri, 29 Aug 2025 11:46:21 +0200, Fabian Pflug <f.pflug@pengutronix.de> wrote:
> Signed-off-by: Fabian Pflug <f.pflug@pengutronix.de>
> Message-Id: <20250814095452.1950806-1-f.pflug@pengutronix.de>
> Signed-off-by: Michael Olbrich <m.olbrich@pengutronix.de>
> 
> diff --git a/rules/ntp.in b/rules/ntp.in
> index 2d85c8fac018..0d80840c2a16 100644
> --- a/rules/ntp.in
> +++ b/rules/ntp.in
> @@ -97,6 +97,17 @@ config NTP_CRYPTO
>  	help
>  	  FIXME: This item needs to be documented
>  
> +config NTP_SNTP
> +	bool
> +	prompt "build SNTP"
> +	help
> +	  Simple Network Time Protocol is a subset of the Network
> +	  Time Protocol (NTP). SNTP can be used when the ultimate
> +	  performance of a full NTP implementation based on
> +	  RFC 1305 is neither needed nor justified.
> +	  It is strongly recommended that SNTP be used only at
> +	  the extremities of the synchronization subnet.
> +
>  comment "Clock drivers"
>  
>  config NTP_ALL_CLOCK_DRIVERS
> @@ -176,4 +187,3 @@ endif
>  
>  comment "NTP conflicts with OpenNTPD"
>  	depends on NTP && OPENNTPD
> -
> diff --git a/rules/ntp.make b/rules/ntp.make
> index 9c6c9555de07..42902364578e 100644
> --- a/rules/ntp.make
> +++ b/rules/ntp.make
> @@ -128,7 +128,7 @@ NTP_CONF_OPT	:= \
>  	--disable-kmem \
>  	--enable-accurate-adjtime \
>  	--disable-simulator \
> -	--without-sntp \
> +	--$(call ptx/wwo, PTXCONF_NTP_SNTP)-sntp \
>  	--without-ntpsnmpd \
>  	--$(call ptx/endis, PTXCONF_NTP_SLEW_ALWAYS)-slew-always \
>  	--$(call ptx/endis, PTXCONF_NTP_STEP_SLEW)-step-slew \
> @@ -180,6 +180,14 @@ ifdef PTXCONF_NTP_NTPD
>  	@$(call install_alternative, ntp, 0, 0, 0644, /etc/ntp-server.conf)
>  endif
>  
> +#	#
> +#	# sntp client
> +#	#
> +ifdef PTXCONF_NTP_SNTP
> +	@$(call install_copy, ntp, 0, 0, 0755, -, \
> +		/usr/sbin/sntp)
> +endif
> +
>  ifdef PTXCONF_NTP_NTPD_STARTSCRIPT
>  	@$(call install_alternative, ntp, 0, 0, 0755, /etc/init.d/ntp-server)
>