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74 lines
3.2 KiB
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74 lines
3.2 KiB
Plaintext
GCC RUNTIME LIBRARY EXCEPTION
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Version 3.1, 31 March 2009
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Copyright (C) 2009 Free Software Foundation, Inc. <http://fsf.org/>
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Everyone is permitted to copy and distribute verbatim copies of this
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license document, but changing it is not allowed.
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This GCC Runtime Library Exception ("Exception") is an additional
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permission under section 7 of the GNU General Public License, version
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3 ("GPLv3"). It applies to a given file (the "Runtime Library") that
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bears a notice placed by the copyright holder of the file stating that
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the file is governed by GPLv3 along with this Exception.
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When you use GCC to compile a program, GCC may combine portions of
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certain GCC header files and runtime libraries with the compiled
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program. The purpose of this Exception is to allow compilation of
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non-GPL (including proprietary) programs to use, in this way, the
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header files and runtime libraries covered by this Exception.
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0. Definitions.
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A file is an "Independent Module" if it either requires the Runtime
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Library for execution after a Compilation Process, or makes use of an
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interface provided by the Runtime Library, but is not otherwise based
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on the Runtime Library.
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"GCC" means a version of the GNU Compiler Collection, with or without
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modifications, governed by version 3 (or a specified later version) of
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the GNU General Public License (GPL) with the option of using any
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subsequent versions published by the FSF.
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"GPL-compatible Software" is software whose conditions of propagation,
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modification and use would permit combination with GCC in accord with
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the license of GCC.
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"Target Code" refers to output from any compiler for a real or virtual
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target processor architecture, in executable form or suitable for
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input to an assembler, loader, linker and/or execution
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phase. Notwithstanding that, Target Code does not include data in any
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format that is used as a compiler intermediate representation, or used
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for producing a compiler intermediate representation.
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The "Compilation Process" transforms code entirely represented in
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non-intermediate languages designed for human-written code, and/or in
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Java Virtual Machine byte code, into Target Code. Thus, for example,
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use of source code generators and preprocessors need not be considered
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part of the Compilation Process, since the Compilation Process can be
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understood as starting with the output of the generators or
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preprocessors.
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A Compilation Process is "Eligible" if it is done using GCC, alone or
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with other GPL-compatible software, or if it is done without using any
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work based on GCC. For example, using non-GPL-compatible Software to
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optimize any GCC intermediate representations would not qualify as an
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Eligible Compilation Process.
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1. Grant of Additional Permission.
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You have permission to propagate a work of Target Code formed by
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combining the Runtime Library with Independent Modules, even if such
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propagation would otherwise violate the terms of GPLv3, provided that
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all Target Code was generated by Eligible Compilation Processes. You
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may then convey such a combination under terms of your choice,
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consistent with the licensing of the Independent Modules.
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2. No Weakening of GCC Copyleft.
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The availability of this Exception does not imply any general
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presumption that third-party software is unaffected by the copyleft
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requirements of the license of GCC.
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