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Diffstat (limited to 'src/3rdparty/libjpeg/LICENSE')
| -rw-r--r-- | src/3rdparty/libjpeg/LICENSE | 33 |
1 files changed, 18 insertions, 15 deletions
diff --git a/src/3rdparty/libjpeg/LICENSE b/src/3rdparty/libjpeg/LICENSE index d753e1d76a..2204864fa1 100644 --- a/src/3rdparty/libjpeg/LICENSE +++ b/src/3rdparty/libjpeg/LICENSE @@ -1,30 +1,33 @@ libjpeg-turbo Licenses ====================== -libjpeg-turbo is covered by three compatible BSD-style open source licenses: +libjpeg-turbo is covered by two compatible BSD-style open source licenses: - The IJG (Independent JPEG Group) License, which is listed in [README.ijg](README.ijg) - This license applies to the libjpeg API library and associated programs - (any code inherited from libjpeg, and any modifications to that code.) + This license applies to the libjpeg API library and associated programs, + including any code inherited from libjpeg and any modifications to that + code. Note that the libjpeg-turbo SIMD source code bears the + [zlib License](https://opensource.org/licenses/Zlib), but in the context of + the overall libjpeg API library, the terms of the zlib License are subsumed + by the terms of the IJG License. - The Modified (3-clause) BSD License, which is listed below - This license covers the TurboJPEG API library and associated programs, as - well as the build system. - -- The [zlib License](https://opensource.org/licenses/Zlib) - - This license is a subset of the other two, and it covers the libjpeg-turbo - SIMD extensions. + This license applies to the TurboJPEG API library and associated programs, as + well as the build system. Note that the TurboJPEG API library wraps the + libjpeg API library, so in the context of the overall TurboJPEG API library, + both the terms of the IJG License and the terms of the Modified (3-clause) + BSD License apply. Complying with the libjpeg-turbo Licenses ========================================= This section provides a roll-up of the libjpeg-turbo licensing terms, to the -best of our understanding. +best of our understanding. This is not a license in and of itself. It is +intended solely for clarification. 1. If you are distributing a modified version of the libjpeg-turbo source, then: @@ -38,7 +41,7 @@ best of our understanding. - Clauses 1 and 3 of the zlib License 2. You must add your own copyright notice to the header of each source - file you modified, so others can tell that you modified that file (if + file you modified, so others can tell that you modified that file. (If there is not an existing copyright header in that file, then you can simply add a notice stating that you modified the file.) @@ -91,7 +94,7 @@ best of our understanding. The Modified (3-clause) BSD License =================================== -Copyright (C)2009-2022 D. R. Commander. All Rights Reserved.<br> +Copyright (C)2009-2023 D. R. Commander. All Rights Reserved.<br> Copyright (C)2015 Viktor Szathmáry. All Rights Reserved. Redistribution and use in source and binary forms, with or without @@ -119,8 +122,8 @@ ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. -Why Three Licenses? -=================== +Why Two Licenses? +================= The zlib License could have been used instead of the Modified (3-clause) BSD License, and since the IJG License effectively subsumes the distribution |