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  • Jaehoon Chung Jaehoon Chung jaehoon.chung
  • Peng Fan Peng Fan peng.fan
  • Tom Rini Tom Rini trini
3 authors
  1. Jul 24, 2013
    • Wolfgang Denk's avatar
      Licenses: introduce SPDX Unique Lincense Identifiers · eca3aeb3
      Wolfgang Denk authored 
      Like many other projects, U-Boot has a tradition of including big
blocks of License headers in all files.  This not only blows up the
source code with mostly redundant information, but also makes it very
difficult to generate License Clearing Reports.  An additional problem
is that even the same lincenses are referred to by a number of
slightly varying text blocks (full, abbreviated, different
indentation, line wrapping and/or white space, with obsolete address
information, ...) which makes automatic processing a nightmare.

To make this easier, such license headers in the source files will be
replaced with a single line reference to Unique Lincense Identifiers
as defined by the Linux Foundation's SPDX project [1].  For example,
in a source file the full "GPL v2.0 or later" header text will be
replaced by a single line:

        SPDX-License-Identifier:        GPL-2.0+

We use the SPDX Unique Lincense Identifiers here; these are available
at [2].

Note: From the legal point of view, this patch is supposed to be only
a change to the textual representation of the license information,
but in no way any change to the actual license terms. With this patch
applied, all files will still be licensed under the same terms they
were before.

Note 2: The apparent difference between the old "COPYING" and the new
"Licenses/gpl-2.0.txt" only results from switching to the upstream
version of the license which is differently formatted; there are not
any actual changes to the content.

Note 3: There are some recurring questions about linense issues, such
as:
    - Is a "All Rights Reserved" clause a problem in GPL code?
    - Are files without any license header a problem?
    - Do we need license headers at all?

The following excerpt from an e-mail by Daniel B. Ravicher should help
with these:

| Message-ID: <4ADF8CAA.5030808@softwarefreedom.org>
| Date: Wed, 21 Oct 2009 18:35:22 -0400
| From: "Daniel B. Ravicher" <ravicher@softwarefreedom.org>
| To: Wolfgang Denk <wd@denx.de>
| Subject: Re: GPL and license cleanup questions
|
| Mr. Denk,
|
| Wolfgang Denk wrote:
| > - There are a number of files which do not include any specific
| > license information at all. Is it correct to assume that these files
| > are automatically covered by the "GPL v2 or later" clause as
| > specified by the COPYING file in the top level directory of the
| > U-Boot source tree?
|
| That is a very fact specific analysis and could be different across the
| various files.  However, if the contributor could reasonably be expected
| to have known that the project was licensed GPLv2 or later at the time
| she made her contribution, then a reasonably implication is that she
| consented to her contributions being distributed under those terms.
|
| > - Do such files need any clean up, for example should we add GPL
| > headers to them, or is this not needed?
|
| If the project as a whole is licensed under clear terms, you need not
| identify those same terms in each file, although there is no harm in
| doing so.
|
| > - There are other files, which include both a GPL license header
| > _plus_ some copyright note with an "All Rights Reserved" clause. It
| > has been my understanding that this is a conflict, and me must ask
| > the copyright holders to remove such "All Rights Reserved" clauses.
| > But then, some people claim that "All Rights Reserved" is a no-op
| > nowadays. License checking tools (like OSLC) seem to indicate this is
| > a problem, but then we see quite a lot of "All rights reserved" in
| > BSD-licensed files in gcc and glibc. So what is the correct way to
| > deal with such files?
|
| It is not a conflict to grant a license and also reserve all rights, as
| implicit in that language is that you are reserving all "other" rights
| not granted in the license.  Thus, a file with "Licensed under GPL, All
| Rights Reserved" would mean that it is licensed under the GPL, but no
| other rights are given to copy, modify or redistribute it.
|
| Warm regards,
| --Dan
|
| Daniel B. Ravicher, Legal Director
| Software Freedom Law Center (SFLC) and Moglen Ravicher LLC
| 1995 Broadway, 17th Fl., New York, NY 10023
| (212) 461-1902 direct  (212) 580-0800 main  (212) 580-0898 fax
| ravicher@softwarefreedom.org   www.softwarefreedom.org

[1] http://spdx.org/
[2] http://spdx.org/licenses/



Signed-off-by: default avatarWolfgang Denk <wd@denx.de>
      eca3aeb3
  3. Jul 15, 2013
    • Tom Rini's avatar
      Revert "MIPS: Jz4740: Add qi_lb60 board support" · 54e458de
      Tom Rini authored 
      
The files board/qi/qi_lb60/qi_lb60.c and include/configs/qi_lb60.h were
licensed under the GPL v3 or later, and not v2 or later.  As this is
incompatible with the project, revert this board support until the
responsible parties are available to re-license (if so desired) under
GPL v2.

Signed-off-by: default avatarTom Rini <trini@ti.com>
      54e458de
  5. May 15, 2013
  7. Apr 02, 2013
  9. Mar 27, 2013
  11. Mar 11, 2013
    • Andreas Bießmann's avatar
      MAKEALL: fix kill_children for BSD hosts · 6bdd9f89
      Andreas Bießmann authored and Tom Rini's avatar Tom Rini committed 
      
ps on BSD hosts (like OS X) do not provide the --no-headers switch nor
understand the AIX format descriptions. Unfortunately there seems no solution to
get the PIDs of children in a platfrom independent manner.
Therefore detect the OS and decide upon that which way to go.

This patch makes the MAKEALL script cleanly stoppable on bare OS X when using
the parallel builds of targets.

Additionally this patch removes double call to grep by a single call to sed for
GNU style child PID detection.

Signed-off-by: Andreas Bießmann's avatarAndreas Bießmann <andreas.devel@googlemail.com>
Cc: Joe Hershberger <joe.hershberger@ni.com>
Acked-by: Joe Hershberger's avatarJoe Hershberger <joe.hershberger@ni.com>
      6bdd9f89
  13. Feb 20, 2013
  15. Dec 06, 2012
  17. Nov 07, 2012
  19. Oct 29, 2012
    • Tom Rini's avatar
      MAKEALL: Add -s to '${MAKE} tidy' section · ed296d20
      Tom Rini authored 
      
When BUILD_NBUILDS is > 1 we run the tidy command.  With the addition of
DocBook this now includes a -C doc/DocBook and a 'entering/leaving' pair
of messages happen.  Since we don't want to see what's being cleaned
here, we can just invoke make -s like we do when building.

Signed-off-by: default avatarTom Rini <trini@ti.com>
      ed296d20
  21. Oct 15, 2012
  23. Sep 25, 2012
    • Allen Martin's avatar
      MAKEALL: fix per arch board lists · cce5d210
      Allen Martin authored and Tom Rini's avatar Tom Rini committed 
      
The LIST_arm rule included the Atmel boards twice (by virtue of
including both LIST_at91 and LIST_ARM9) and was missing all the
arm720t, arm946es, and arm1176 boards.  Change this list to use
boards_by_arch() which is less error prone.  After this change
"./MAKEALL arm" and "./MAKEALL -a arm" build the same boards.

Also fix up some missing and duplicate boards to arm, mips, and m68k.

Signed-off-by: default avatarAllen Martin <amartin@nvidia.com>
Acked-by: default avatarTom Rini <trini@ti.com>
      cce5d210
  25. Sep 01, 2012
  27. Aug 09, 2012
  29. May 22, 2012
  31. May 18, 2012
  33. Apr 30, 2012
    • Andy Fleming's avatar
      Allow for parallel builds and saved output · f588bb03
      Andy Fleming authored and Wolfgang Denk's avatar Wolfgang Denk committed 
      
The MAKEALL script cleverly runs make with the appropriate options
to use all of the cores on the system, but your average U-Boot build
can't make much use of more than a few cores.  If you happen to have
a many-core server, your builds will leave most of the system idle.

In order to make full use of such a system, we need to build multiple
targets in parallel, and this requires directing make output into
multiple directories. We add a BUILD_NBUILDS variable, which allows
users to specify how many builds to run in parallel.
When BUILD_NBUILDS is set greater than 1, we redefine BUILD_DIR for
each build to be ${BUILD_DIR}/${target}. Also, we make "./build" the
default BUILD_DIR when BUILD_NBUILDS is greater than 1.

MAKEALL now tracks which builds are still running, and when one
finishes, it starts a new build.

Once each build finishes, we run "make tidy" on its directory, to reduce
the footprint.

As a result, we are left with a build directory with all of the built
targets still there for use, which means anyone who wanted to use
MAKEALL as part of a test harness can now do so.

Signed-off-by: default avatarAndy Fleming <afleming@freescale.com>
      f588bb03
  35. Mar 30, 2012
    • Marek Vasut's avatar
      MAKEALL: Add -m/-M option to determine maintainers · 9b96c6b1
      Marek Vasut authored and Wolfgang Denk's avatar Wolfgang Denk committed 
      
The -m option tries to find the board in MAINTAINERS file and figure out the
email. The -M option lists boards including their maintainers emails and all
affiliated emails. There are multiple strategies used to retrieve these emails:

1) Check board/<boardname> with git log and use three most recent emails
2) Check board/<boardname> with git log and use three most used emails
3) Try finding board in MAINTAINERS file and retrieve all emails from there

The result is then sorted and unique results are retrieved and reported.

For -m option, only strategy 3) is used.

Signed-off-by: default avatarMarek Vasut <marex@denx.de>
Cc: Wolfgang Denk <wd@denx.de>
      9b96c6b1
  37. Mar 26, 2012
  39. Jan 13, 2012
  41. Dec 10, 2011
  43. Dec 09, 2011
  45. Dec 06, 2011
  47. Nov 29, 2011
  49. Nov 27, 2011
  51. Oct 21, 2011
  53. Oct 18, 2011
  55. Oct 12, 2011
  57. Oct 05, 2011
  59. Sep 09, 2011
  61. Sep 07, 2011

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