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Amend licence to relax its conditions for chains of binary distributions.

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Philip.Hazel 2017-06-26 11:21:19 +00:00
parent 651ce3dea1
commit 40c8fcd337
1 changed files with 16 additions and 5 deletions
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21
LICENCE
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@ -5,9 +5,10 @@ PCRE2 is a library of functions to support regular expressions whose syntax
and semantics are as close as possible to those of the Perl 5 language.
Release 10 of PCRE2 is distributed under the terms of the "BSD" licence, as
specified below. The documentation for PCRE2, supplied in the "doc"
directory, is distributed under the same terms as the software itself. The data
in the testdata directory is not copyrighted and is in the public domain.
specified below, with one exemption for certain binary redistributions. The
documentation for PCRE2, supplied in the "doc" directory, is distributed under
the same terms as the software itself. The data in the testdata directory is
not copyrighted and is in the public domain.
The basic library functions are written in C and are freestanding. Also
included in the distribution is a just-in-time compiler that can be used to
@ -57,11 +58,11 @@ THE "BSD" LICENCE
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:
* Redistributions of source code must retain the above copyright notice,
* Redistributions of source code must retain the above copyright notices,
this list of conditions and the following disclaimer.
* Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in the
notices, this list of conditions and the following disclaimer in the
documentation and/or other materials provided with the distribution.
* Neither the name of the University of Cambridge nor the names of any
@ -80,4 +81,14 @@ 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.
EXEMPTION FOR BINARY LIBRARY-LIKE PACKAGES
------------------------------------------
The second condition in the BSD licence (covering binary redistributions) does
not apply all the way down a chain of software. If binary package A includes
PCRE2, it must respect the condition, but if package B is software that
includes package A, the condition is not imposed on package B unless it uses
PCRE2 independently.
End