Move to kernel style SPDX license identifiers

The SPDX identifier is a legally binding shorthand, which can be used
instead of the full boiler plate text.

See https://spdx.org/ids-how for details.

Signed-off-by: Michael Jeanson <[email protected]>
Change-Id: I62e7038e191a061286abcef5550b58f5ee67149d
Signed-off-by: Jérémie Galarneau <[email protected]>

LICENSE

@@ -1,17 +1,29 @@
-LTTng Tools licensing
-David Goulet <[email protected]>
-July 18, 2011
+LTTng Tools is provided under:
 
-* LGPLv2.1
+ SPDX-License-Identifier: GPL-2.0-only
+
+Being under the terms of the GNU General Public License version 2 only,
+according with:
+
+ LICENSES/GPL-2.0
+
+The library part is provided under:
+
+ SPDX-License-Identifier: LGPL-2.1-only
+
+Being under the terms of the GNU Lesser General Public License version 2.1
+only, according with:
+
+ LICENSES/LGPL-2.1
 
-The library part is distributed under LGPLv2.1. See lgpl-2.1.txt for details.
 This applies to:
 
--) include/lttng/*
--) src/lib/lttng-ctl/*
+ include/lttng/*
+ src/lib/lttng-ctl/*
+
+In addition, other licenses may also apply, see SPDX-License-Identifier in
+individual files.
 
-We have some tests LGPL but should not impact anything even if we change them
-in the future to GPL.
 
 LGPL-compatible source code can statically use the library header using:
 
@@ -21,8 +33,3 @@ LGPL-compatible source code can statically use the library header using:
 Dynamic-only linking with the LGPL library is used if _LGPL_SOURCE is not
 defined. It permits relinking with newer versions of the library, which is
 required by the LGPL license.
-
-* GPLv2
-
-All remaining source code is distributed under the GPLv2 license. See
-gpl-2.0.txt for details. 

LICENSES/BSD-2-Clause

@@ -0,0 +1,32 @@
+Valid-License-Identifier: BSD-2-Clause
+SPDX-URL: https://spdx.org/licenses/BSD-2-Clause.html
+Usage-Guide:
+ To use the BSD 2-clause "Simplified" License put the following SPDX
+ tag/value pair into a comment according to the placement guidelines in
+ the licensing rules documentation:
+ SPDX-License-Identifier: BSD-2-Clause
+License-Text:
+
+Copyright (c) <year> <owner> . All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+1. Redistributions of source code must retain the above copyright notice,
+ this list of conditions and the following disclaimer.
+
+2. Redistributions in binary form must reproduce the above copyright
+ notice, this list of conditions and the following disclaimer in the
+ documentation and/or other materials provided with the distribution.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+POSSIBILITY OF SUCH DAMAGE.

LICENSES/BSD-3-Clause

@@ -0,0 +1,36 @@
+Valid-License-Identifier: BSD-3-Clause
+SPDX-URL: https://spdx.org/licenses/BSD-3-Clause.html
+Usage-Guide:
+ To use the BSD 3-clause "New" or "Revised" License put the following SPDX
+ tag/value pair into a comment according to the placement guidelines in
+ the licensing rules documentation:
+ SPDX-License-Identifier: BSD-3-Clause
+License-Text:
+
+Copyright (c) <year> <owner> . All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+1. Redistributions of source code must retain the above copyright notice,
+ this list of conditions and the following disclaimer.
+
+2. Redistributions in binary form must reproduce the above copyright
+ notice, this list of conditions and the following disclaimer in the
+ documentation and/or other materials provided with the distribution.
+
+3. Neither the name of the copyright holder nor the names of its
+ contributors may be used to endorse or promote products derived from this
+ software without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+POSSIBILITY OF SUCH DAMAGE.

gpl-2.0.txt → LICENSES/GPL-2.0

@@ -1,12 +1,25 @@
- GNU GENERAL PUBLIC LICENSE
- Version 2, June 1991
-
- Copyright (C) 1989, 1991 Free Software Foundation, Inc.,
- 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+Valid-License-Identifier: GPL-2.0-only
+Valid-License-Identifier: GPL-2.0-or-later
+SPDX-URL: https://spdx.org/licenses/GPL-2.0.html
+Usage-Guide:
+ To use this license in source code, put one of the following SPDX
+ tag/value pairs into a comment according to the placement
+ guidelines in the licensing rules documentation.
+ For 'GNU General Public License (GPL) version 2 only' use:
+ SPDX-License-Identifier: GPL-2.0-only
+ For 'GNU General Public License (GPL) version 2 or any later version' use:
+ SPDX-License-Identifier: GPL-2.0-or-later
+License-Text:
+
+ GNU GENERAL PUBLIC LICENSE
+ Version 2, June 1991
+
+ Copyright (C) 1989, 1991 Free Software Foundation, Inc.
+ 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
  Everyone is permitted to copy and distribute verbatim copies
  of this license document, but changing it is not allowed.
 
-  Preamble
+  Preamble
 
  The licenses for most software are designed to take away your
 freedom to share and change it. By contrast, the GNU General Public
@@ -55,8 +68,8 @@ patent must be licensed for everyone's free use or not licensed at all.
 
  The precise terms and conditions for copying, distribution and
 modification follow.
-
-  GNU GENERAL PUBLIC LICENSE
+ 
+  GNU GENERAL PUBLIC LICENSE
  TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION
 
  0. This License applies to any program or other work which contains
@@ -110,7 +123,7 @@ above, provided that you also meet all of these conditions:
  License. (Exception: if the Program itself is interactive but
  does not normally print such an announcement, your work based on
  the Program is not required to print an announcement.)
-
+ 
 These requirements apply to the modified work as a whole. If
 identifiable sections of that work are not derived from the Program,
 and can be reasonably considered independent and separate works in
@@ -168,7 +181,7 @@ access to copy from a designated place, then offering equivalent
 access to copy the source code from the same place counts as
 distribution of the source code, even though third parties are not
 compelled to copy the source along with the object code.
-
+ 
  4. You may not copy, modify, sublicense, or distribute the Program
 except as expressly provided under this License. Any attempt
 otherwise to copy, modify, sublicense or distribute the Program is
@@ -225,7 +238,7 @@ impose that choice.
 
 This section is intended to make thoroughly clear what is believed to
 be a consequence of the rest of this License.
-
+ 
  8. If the distribution and/or use of the Program is restricted in
 certain countries either by patents or by copyrighted interfaces, the
 original copyright holder who places the Program under this License
@@ -255,7 +268,7 @@ make exceptions for this. Our decision will be guided by the two goals
 of preserving the free status of all derivatives of our free software and
 of promoting the sharing and reuse of software generally.
 
-  NO WARRANTY
+  NO WARRANTY
 
  11. BECAUSE THE PROGRAM IS LICENSED FREE OF CHARGE, THERE IS NO WARRANTY
 FOR THE PROGRAM, TO THE EXTENT PERMITTED BY APPLICABLE LAW. EXCEPT WHEN
@@ -277,9 +290,9 @@ YOU OR THIRD PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER
 PROGRAMS), EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE
 POSSIBILITY OF SUCH DAMAGES.
 
-  END OF TERMS AND CONDITIONS
-
-  How to Apply These Terms to Your New Programs
+  END OF TERMS AND CONDITIONS
+ 
+  How to Apply These Terms to Your New Programs
 
  If you develop a new program, and you want it to be of the greatest
 possible use to the public, the best way to achieve this is to make it
@@ -303,9 +316,10 @@ the "copyright" line and a pointer to where the full notice is found.
  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  GNU General Public License for more details.
 
- You should have received a copy of the GNU General Public License along
- with this program; if not, write to the Free Software Foundation, Inc.,
- 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+
 
 Also add information on how to contact you by electronic and paper mail.