Re: [meta-oe][PATCH 4/5] gpsd: add optional support for KPPS interface

[Martin Jansa <martin.jansa@gmail.com>]

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On Thu, Aug 28, 2014 at 07:06:20AM -0500, Peter A. Bigot wrote:
> gpsd by default builds with PPS (pulse-per-second) support, but without
> kernel support to capture the edge of the pulse the accuracy is only
> +/-5us.  Under Linux the pps-tools package installs the header required
> for the user-level API to the RFC 2783 KPPS interface.  If gpsd detects
> this header, it will use the API to improve accuracy to +/-1us.
> 
> See: http://www.catb.org/gpsd/gpsd-time-service-howto.html#_enabling_pps
> 
> Signed-off-by: Peter A. Bigot <pab@pabigot.com>
> ---
>  meta-oe/recipes-navigation/gpsd/gpsd_3.10.bb | 3 +++
>  1 file changed, 3 insertions(+)
> 
> diff --git a/meta-oe/recipes-navigation/gpsd/gpsd_3.10.bb b/meta-oe/recipes-navigation/gpsd/gpsd_3.10.bb
> index d12c7a8..1c2d9eb 100644
> --- a/meta-oe/recipes-navigation/gpsd/gpsd_3.10.bb
> +++ b/meta-oe/recipes-navigation/gpsd/gpsd_3.10.bb
> @@ -20,6 +20,9 @@ SRC_URI = "${SAVANNAH_GNU_MIRROR}/${BPN}/${BP}.tar.gz \
>  SRC_URI[md5sum] = "fc5b03aae38b9b5b6880b31924d0ace3"
>  SRC_URI[sha256sum] = "706fc2c1cf3dfbf87c941f543381bccc9c4dc9f8240eec407dcbf2f70b854320"
>  
> +PACKAGECONFIG ??= ""
> +PACKAGECONFIG[kpps] = ",,pps-tools"

Both recipes need some way of explicit disable of pps-tools, so that the
result is the same when building gpsd or ntp before or after pps-tools.

>  inherit scons update-rc.d python-dir pythonnative systemd
>  
>  INITSCRIPT_NAME = "gpsd"
> -- 
> 1.8.5.5
> 
> -- 
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-- 
Martin 'JaMa' Jansa     jabber: Martin.Jansa@gmail.com

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