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Briefly: Haiti has resumed DST.
Changes to past and future time stamps
Haiti resumed observance of DST in 2017. (Thanks to Steffen Thorsen.)
Changes to past time stamps
Liberia changed from -004430 to +00 on 1972-01-07, not 1972-05-01.
Use "MMT" to abbreviate Liberia's time zone before 1972, as "-004430"
is one byte over the POSIX limit. (Problem reported by Derick Rethans.)
Signed-off-by: Armin Kuster <akuster@mvista.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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Building on a system without "cc" showed this recipe doesn't respect
the $CC variable. Fix this by passing the right option to the makefile.
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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Changes to code
zic no longer mishandles some transitions in January 2038 when it
attempts to work around Qt bug 53071. This fixes a bug affecting
Pacific/Tongatapu that was introduced in zic 2016e. localtime.c
now contains a workaround, useful when loading a file generated by
a buggy zic. (Problem and localtime.c fix reported by Bradley
White.)
zdump -i now outputs non-hour numeric time zone abbreviations
without a colon, e.g., "+0530" rather than "+05:30". This agrees
with zic %z and with common practice, and simplifies auditing of
zdump output.
zdump is now buildable again with -DUSE_LTZ=0.
(Problem reported by Joseph Myers.)
zdump.c now always includes private.h, to avoid code duplication
with private.h. (Problem reported by Kees Dekker.)
localtime.c no longer mishandles early or late timestamps
when TZ is set to a POSIX-style string that specifies DST.
(Problem reported by Kees Dekker.)
date and strftime now cause %z to generate "-0000" instead of
"+0000" when the UT offset is zero and the time zone abbreviation
begins with "-".
Changes to documentation and commentary
The 'Theory' file now better documents choice of historical time
zone abbreviations. (Problems reported by Michael Deckers.)
tz-link.htm now covers leap smearing, which is popular in clouds.
Signed-off-by: Armin Kuster <akuster@mvista.com>
Signed-off-by: Ross Burton <ross.burton@intel.com>
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Changes to code
zic no longer mishandles file systems that lack hard links, fixing
bugs introduced in 2016g. (Problems reported by Tom Lane.)
Also, when the destination already contains symbolic links, zic
should now work better on systems where the 'link' system call
does not follow symbolic links.
Changes to documentation and commentary
tz-link.htm now documents the relationship between release version
numbers and development-repository commit tags. (Suggested by
Paul Koning.)
The 'Theory' file now documents UT.
iso3166.tab now accents "Curaçao", and commentary now mentions
the names "Cabo Verde" and "Czechia". (Thanks to Jiří Boháč.)
(From OE-Core rev: 3fb5ddce97af1d4ada0dcc7f9c0ceef6ac392918)
Signed-off-by: Armin Kuster <akuster808@gmail.com>
Signed-off-by: Ross Burton <ross.burton@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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Changes to code
The code should now be buildable on AmigaOS merely by setting the
appropriate Makefile variables. (From a patch by Carsten Larsen.)
Signed-off-by: Armin Kuster <akuster808@gmail.com>
Signed-off-by: Ross Burton <ross.burton@intel.com>
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Changes to code
zic no longer mishandles relativizing file names when creating
symbolic links like /etc/localtime, when these symbolic links
are outside the usual directory hierarchy. This fixes a bug
introduced in 2016g. (Problem reported by Andreas Stieger.)
Signed-off-by: Armin Kuster <akuster@mvista.com>
Signed-off-by: Ross Burton <ross.burton@intel.com>
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LICENSE file checksum changed do to a verbage change.
Changes to code
zic no longer generates binary files containing POSIX TZ-like
strings that disagree with the local time type after the last
explicit transition in the data. This fixes a bug with
Africa/Casablanca and Africa/El_Aaiun in some year-2037 time
stamps on the reference platform. (Thanks to Alexander Belopolsky
for reporting the bug and suggesting a way forward.)
If the installed localtime and/or posixrules files are symbolic
links, zic now keeps them symbolic links when updating them, for
compatibility with platforms like OpenSUSE where other programs
configure these files as symlinks.
zic now avoids hard linking to symbolic links, avoids some
unnecessary mkdir and stat system calls, and uses shorter file
names internally.
zdump has a new -i option to generate transitions in a
more-compact but still human-readable format. This option is
experimental, and the output format may change in future versions.
(Thanks to Jon Skeet for suggesting that an option was needed,
and thanks to Tim Parenti and Chris Rovick for further comments.)
Changes to build procedure
An experimental distribution format is available, in addition
to the traditional format which will continue to be distributed.
The new format is a tarball tzdb-VERSION.tar.lz with signature
file tzdb-VERSION.tar.lz.asc. It unpacks to a top-level directory
tzdb-VERSION containing the code and data of the traditional
two-tarball format, along with extra data that may be useful.
(Thanks to Antonio Diaz Diaz, Oscar van Vlijmen, and many others
for comments about the experimental format.)
The release version number is now more accurate in the usual case
where releases are built from a Git repository. For example, if
23 commits and some working-file changes have been made since
release 2016g, the version number is now something like
'2016g-23-g50556e3-dirty' instead of the misleading '2016g'.
Official releases uses the same version number format as before,
e.g., '2016g'. To support the more-accurate version number, its
specification has moved from a line in the Makefile to a new
source file 'version'.
The experimental distribution contains a file to2050.tzs that
contains what should be the output of 'zdump -i -c 2050' on
primary zones. If this file is available, 'make check' now checks
that zdump generates this output.
'make check_web' now works on Fedora-like distributions.
Changes to documentation and commentary
tzfile.5 now documents the new restriction on POSIX TZ-like
strings that is now implemented by zic.
Comments now cite URLs for some 1917-1921 Russian DST decrees.
(Thanks to Alexander Belopolsky.)
tz-link.htm mentions JuliaTime (thanks to Curtis Vogt) and Time4J
(thanks to Meno Hochschild) and ThreeTen-Extra, and its
description of Java 8 has been brought up to date (thanks to
Stephen Colebourne). Its description of local time on Mars has
been updated to match current practice, and URLs have been updated
and some obsolete ones removed.
Signed-off-by: Armin Kuster <akuster@mvista.com>
Signed-off-by: Ross Burton <ross.burton@intel.com>
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changes done in data
Signed-off-by: Armin Kuster <akuster808@gmail.com>
Signed-off-by: Ross Burton <ross.burton@intel.com>
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V2: typo in title (jet lagged)
Changes to code
zic now outputs a dummy transition at time 2**31 - 1 in zones
whose POSIX-style TZ strings contain a '<'. This mostly works
around Qt bug 53071 <https://bugreports.qt.io/browse/QTBUG-53071>.
(Thanks to Zhanibek Adilbekov for reporting the Qt bug.)
Changes affecting documentation and commentary
tz-link.htm says why governments should give plenty of notice for
time zone or DST changes, and refers to Matt Johnson's blog post.
tz-link.htm mentions Tzdata for Elixir. (Thanks to Matt Johnson.)
Signed-off-by: Armin Kuster <akuster@mvista.com>
Signed-off-by: Ross Burton <ross.burton@intel.com>
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Signed-off-by: Alexander Kanavin <alexander.kanavin@linux.intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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they keep the versions in-sync. changes are all in data.
Changes affecting future time stamps
America/Caracas switches from -0430 to -04 on 2016-05-01 at 02:30.
(Thanks to Alexander Krivenyshev for the heads-up.)
Asia/Magadan switches from +10 to +11 on 2016-04-24 at 02:00.
(Thanks to Alexander Krivenyshev and Matt Johnson.)
New zone Asia/Tomsk, split off from Asia/Novosibirsk. It covers
Tomsk Oblast, Russia, which switches from +06 to +07 on 2016-05-29
at 02:00. (Thanks to Stepan Golosunov.)
Changes affecting past time stamps
New zone Europe/Kirov, split off from Europe/Volgograd. It covers
Kirov Oblast, Russia, which switched from +04/+05 to +03/+04 on
1989-03-26 at 02:00, roughly a year after Europe/Volgograd made
the same change. (Thanks to Stepan Golosunov.)
Russia and nearby locations had daylight-saving transitions on
1992-03-29 at 02:00 and 1992-09-27 at 03:00, instead of on
1992-03-28 at 23:00 and 1992-09-26 at 23:00. (Thanks to Stepan
Golosunov.)
Many corrections to historical time in Kazakhstan from 1991
through 2005. (Thanks to Stepan Golosunov.) Replace Kazakhstan's
invented time zone abbreviations with numeric abbreviations.
Signed-off-by: Armin Kuster <akuster@mvista.com>
Signed-off-by: Ross Burton <ross.burton@intel.com>
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Signed-off-by: Armin Kuster <akuster@mvista.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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change SRC_URI http seems more reliable
Changes to code
tzselect's diagnostics and checking, and checktab.awk's checking,
have been improved. (Thanks to J William Piggott.)
tzcode now builds under MinGW. (Thanks to Ian Abbott and Esben Haabendal.)
tzselect now tests Julian-date TZ settings more accurately.
(Thanks to J William Piggott.)
Changes to commentary
Comments in zone tables have been improved. (Thanks to J William Piggott.)
tzselect again limits its menu comments so that menus fit on a
24x80 alphanumeric display.
A new web page tz-how-to.html. (Thanks to Bill Seymour.)
In the Theory file, the description of possible time zone abbreviations in
tzdata has been cleaned up, as the old description was unclear and
inconsistent. (Thanks to Alain Mouette for reporting the problem.)
Signed-off-by: Armin Kuster <akuster808@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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Change LIC_CHKSUM_FILES to License. Some files are BSD clause 3
Changes affecting build procedure
An installer can now combine leap seconds with use of the backzone file,
e.g., with 'make PACKRATDATA=backzone REDO=posix_right zones'.
The old 'make posix_packrat' rule is now marked as obsolescent.
(Thanks to Ian Abbott for an initial implementation.)
Changes affecting documentation and commentary
A new file LICENSE makes it easier to see that the code and data
are mostly public-domain. (Thanks to James Knight.) The three
non-public-domain files now use the current (3-clause) BSD license
instead of older versions of that license.
tz-link.htm mentions the BDE library (thanks to Andrew Paprocki),
CCTZ (thanks to Tim Parenti), TimeJones.com, and has a new section
on editing tz source files (with a mention of Sublime zoneinfo,
thanks to Gilmore Davidson).
The Theory and asia files now mention the 2015 book "The Global
Transformation of Time, 1870-1950", and cite a couple of reviews.
The America/Chicago entry now documents the informal use of US
central time in Fort Pierre, South Dakota. (Thanks to Rick
McDermid, Matt Johnson, and Steve Jones.)
Signed-off-by: Armin Kuster <akuster@mvista.com>
Signed-off-by: Ross Burton <ross.burton@intel.com>
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We only have a short description, so set SUMMARY and DESCRIPTION
will be defaulted from it.
Signed-off-by: Paul Eggleton <paul.eggleton@linux.intel.com>
Signed-off-by: Ross Burton <ross.burton@intel.com>
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Changes affecting code
localtime no longer mishandles America/Anchorage after 2037.
(Thanks to Bradley White for reporting the bug.)
On hosts with signed 32-bit time_t, localtime no longer mishandles
Pacific/Fiji after 2038-01-16 14:00 UTC.
The localtime module allows the variables 'timezone', 'daylight',
and 'altzone' to be in common storage shared with other modules,
and declares them in case the system <time.h> does not.
(Problems reported by Kees Dekker.)
On platforms with tm_zone, strftime.c now assumes it is not NULL.
This simplifies the code and is consistent with zdump.c.
(Problem reported by Christos Zoulas.)
Changes affecting documentation
The tzfile man page now documents that transition times denote the
starts (not the ends) of the corresponding time periods.
(Ambiguity reported by Bill Seymour.)
Signed-off-by: Armin Kuster <akuster808@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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Changes affecting code
zdump and zic no longer warn about valid time zone abbreviations
like '-05'.
Some Visual Studio 2013 warnings have been suppressed.
(Thanks to Kees Dekker.)
'date' no longer sets the time of day and its -a, -d, -n and -t
options have been removed. Long obsolescent, the implementation
of these features had porting problems. Builders no longer need
to configure HAVE_ADJTIME, HAVE_SETTIMEOFDAY, or HAVE_UTMPX_H.
(Thanks to Kees Dekker for pointing out the problem.)
Changes affecting documentation
The Theory file mentions naming issues earlier, as these seem to be
poorly publicized (thanks to Gilmore Davidson for reporting the problem).
tz-link.htm mentions Time Zone Database Parser (thanks to Howard Hinnant).
Mention that Herbert Samuel introduced the term "Summer Time".
Signed-off-by: Armin Kuster <akuster808@gmail.com>
Signed-off-by: Ross Burton <ross.burton@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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merged inc back into recipe.
Changes affecting code
When displaying data, tzselect converts it to the current locale's
encoding if the iconv command works. (Problem reported by random832.)
tzselect no longer mishandles Dominica, fixing a bug introduced
in Release 2014f. (Problem reported by Owen Leibman.)
zic -l no longer fails when compiled with -DTZDEFAULT=\"/etc/localtime\".
This fixes a bug introduced in Release 2014f.
(Problem reported by Leonardo Chiquitto.)
Signed-off-by: Armin Kuster <akuster808@gmail.com>
Signed-off-by: Ross Burton <ross.burton@intel.com>
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Changes affecting code
zic has some minor performance improvements.
Signed-off-by: Armin Kuster <akuster808@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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Changes affecting commentary
Mention the TZUpdater tool.
Mention "The Time Now". (Thanks to Brandon Ramsey.)
Signed-off-by: Armin Kuster <akuster808@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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Changes affecting code
Fix integer overflow bug in reference 'mktime' implementation.
(Problem reported by Jörg Richter.)
Allow -Dtime_tz=time_t compilations, and allow -Dtime_tz=... libraries
to be used in the same executable as standard-library time_t functions.
(Problems reported by Bradley White.)
Changes affecting commentary
Cite the recent Mexican decree changing Quintana Roo's time zone.
(Thanks to Carlos Raúl Perasso.)
Likewise for the recent Chilean decree. (Thanks to Eduardo Romero Urra.)
Update info about Mars time.
Signed-off-by: Armin Kuster <akuster808@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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Changes affecting code
tzalloc now scrubs time zone abbreviations compatibly with the way
that tzset always has, by replacing invalid bytes with '_' and by
shortening too-long abbreviations.
tzselect ports to POSIX awk implementations, no longer mishandles
POSIX TZ settings when GNU awk is used, and reports POSIX TZ
settings to the user. (Thanks to Stefan Kuhn.)
Changes affecting build procedure
'make check' now checks for links to links in the data.
One such link (for Africa/Asmera) has been fixed.
(Thanks to Stephen Colebourne for pointing out the problem.)
Changes affecting commentary
The leapseconds file commentary now mentions the expiration date.
(Problem reported by Martin Burnicki.)
Update Mexican Library of Congress URL.
Signed-off-by: Armin Kuster <akuster808@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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Signed-off-by: Armin Kuster <akuster808@gmail.com>
Signed-off-by: Ross Burton <ross.burton@intel.com>
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Changes affecting code
The time-related library functions now set errno on failure,
and some crashes in the new tzalloc-related library functions
have been fixed. (Thanks to Christos Zoulas for reporting
most of these problems and for suggesting fixes.)
If USG_COMPAT is defined and the requested time stamp is
standard time, the tz library's localtime and mktime functions
now set the extern variable timezone to a value appropriate
for that time stamp; and similarly for ALTZONE, daylight
saving time, and the altzone variable. This change is a
companion to the tzname change in 2014h, and is designed to
make timezone and altzone more compatible with tzname.
The tz library's functions now set errno to EOVERFLOW if they
fail because the result cannot be represented. ctime and
ctime_r now return NULL and set errno when a time stamp is out
of range, rather than having undefined behavior.
Some bugs associated with the new 2014g functions have been
fixed. This includes a bug that largely incapacitated the new
functions time2posix_z and posix2time_z. (Thanks to Christos
Zoulas.) It also includes some uses of uninitialized
variables after tzalloc. The new code uses the standard type
'ssize_t', which the Makefile now gives porting advice about.
Changes affecting commentary
Updated URLs for NRC Canada (thanks to Matt Johnson and Brian
Inglis).
Signed-off-by: Armin Kuster <akuster808@gmail.com>
Signed-off-by: Ross Burton <ross.burton@intel.com>
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Signed-off-by: Armin Kuster <akuster808@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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The readme md5sum changed do you wording changes.
Signed-off-by: Armin Kuster <akuster808@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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Signed-off-by: Armin Kuster <akuster@mvista.com>
Signed-off-by: Saul Wold <sgw@linux.intel.com>
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Signed-off-by: Armin Kuster <akuster@mvista.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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Changes affecting code
zic no longer generates files containing time stamps well before
the Big Bang.
This works around GNOME bug 730332
<https://bugzilla.gnome.org/show_bug.cgi?id=730332>.
(Thanks to Leonardo Chiquitto for reporting the bug, and to
Arthur David Olson and James Cloos for suggesting improvements to
the fix.)
Changes affecting documentation
tz-link.htm now mentions GNOME.
Signed-off-by: Armin Kuster <akuster@mvista.com>
Signed-off-by: Saul Wold <sgw@linux.intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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Signed-off-by: Armin Kuster <akuster@mvista.com>
Signed-off-by: Saul Wold <sgw@linux.intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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Signed-off-by: Saul Wold <sgw@linux.intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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A lot of our recipes had short one-line DESCRIPTION values and no
SUMMARY value set. In this case it's much better to just set SUMMARY
since DESCRIPTION is defaulted from SUMMARY anyway and then the SUMMARY
is at least useful. I also took the opportunity to fix up a lot of the
new SUMMARY values, making them concisely explain the function of the
recipe / package where possible.
Signed-off-by: Paul Eggleton <paul.eggleton@linux.intel.com>
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Update recipes to version 2013h of timezone
code and data.
Signed-off-by: Joe Slater <jslater@windriver.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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The updated README now mentions that some files are derived from BSD,
so update the LICENSE to be PD & BSD.
Signed-off-by: Saul Wold <sgw@linux.intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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Signed-off-by: Cristiana Voicu <cristiana.voicu@intel.com>
[sgw: Fix up tzdata to 2013d]
Signed-off-by: Saul Wold <sgw@linux.intel.com>
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Signed-off-by: Saul Wold <sgw@linux.intel.com>
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Signed-off-by: Saul Wold <sgw@linux.intel.com>
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Rename and modifying existing recipes to use 2013b
versions of time zone.
Signed-off-by: Joe Slater <jslater@windriver.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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Readme update to indicate status of project and authorship
Signed-off-by: Saul Wold <sgw@linux.intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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Signed-off-by: Saul Wold <sgw@linux.intel.com>
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The TZ database has moved, it's now hosted by IANA.
Signed-off-by: Joshua Lock <josh@linux.intel.com>
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Signed-off-by: Saul Wold <sgw@linux.intel.com>
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Signed-off-by: Khem Raj <raj.khem@gmail.com>
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[YOCTO #1080]
Thanks to ilkka.tengvall@nsn.com
Cc: ilkka.tengvall@nsn.com
Signed-off-by: Saul Wold <sgw@linux.intel.com>
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I've cleaned up some odd license fields, fixed some license
names and corrected some incorrect licenses. LICENSE really needs
a pass through by the maintainers as some of the licensing is
incorrect.
Also, every license with Artistic should be gone through and noted as
which version of Artistic.
Signed-off-by: Beth Flanagan <elizabeth.flanagan@intel.com>
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Signed-off-by: Saul Wold <sgw@linux.intel.com>
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Signed-off-by: Saul Wold <Saul.Wold@intel.com>
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Signed-off-by: Richard Purdie <rpurdie@linux.intel.com>
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