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cmake: update CheckIncludeFiles to enable C++ checks
This commit is contained in:
David Adam
parent
2f289ce097
commit
f5209deacc
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@ -15,6 +15,8 @@ SOURCE_GROUP("Builtins" REGULAR_EXPRESSION "builtin_.*")
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# Support folders.
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SET_PROPERTY(GLOBAL PROPERTY USE_FOLDERS ON)
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list(APPEND CMAKE_MODULE_PATH "${CMAKE_CURRENT_LIST_DIR}/cmake")
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# All objects that the system needs to build fish, except fish.cpp
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SET(FISH_SRCS
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src/autoload.cpp src/builtin.cpp src/builtin_bg.cpp src/builtin_bind.cpp
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123
cmake/CheckIncludeFiles.cmake
Normal file
123
cmake/CheckIncludeFiles.cmake
Normal file
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@ -0,0 +1,123 @@
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# Distributed under the OSI-approved BSD 3-Clause License. See full license information in
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# doc_src/license.hdr or https://cmake.org/licensing for details.
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#.rst:
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# CheckIncludeFiles
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# -----------------
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#
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# Provides a macro to check if a list of one or more header files can
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# be included together in ``C``.
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#
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# .. command:: CHECK_INCLUDE_FILES
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#
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# ::
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#
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# CHECK_INCLUDE_FILES("<includes>" <variable> [LANGUAGE <language>])
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#
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# Check if the given ``<includes>`` list may be included together
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# in a ``C`` source file and store the result in an internal cache
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# entry named ``<variable>``. Specify the ``<includes>`` argument
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# as a :ref:`;-list <CMake Language Lists>` of header file names.
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#
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# If LANGUAGE is set, the specified compiler will be used to perform the
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# check. Acceptable values are C and CXX.
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#
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# The following variables may be set before calling this macro to modify
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# the way the check is run:
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#
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# ``CMAKE_REQUIRED_FLAGS``
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# string of compile command line flags
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# ``CMAKE_REQUIRED_DEFINITIONS``
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# list of macros to define (-DFOO=bar)
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# ``CMAKE_REQUIRED_INCLUDES``
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# list of include directories
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# ``CMAKE_REQUIRED_QUIET``
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# execute quietly without messages
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#
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# See modules :module:`CheckIncludeFile` and :module:`CheckIncludeFileCXX`
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# to check for a single header file in ``C`` or ``CXX`` languages.
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macro(CHECK_INCLUDE_FILES INCLUDE VARIABLE)
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if(NOT DEFINED "${VARIABLE}")
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set(CMAKE_CONFIGURABLE_FILE_CONTENT "/* */\n")
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if("x${ARGN}" STREQUAL "x")
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if(CMAKE_C_COMPILER_LOADED)
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set(_lang C)
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elseif(CMAKE_CXX_COMPILER_LOADED)
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set(_lang CXX)
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else()
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message(FATAL_ERROR "CHECK_INCLUDE_FILES needs either C or CXX language enabled")
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endif()
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elseif("x${ARGN}" MATCHES "^xLANGUAGE;([a-zA-Z]+)$")
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set(_lang "${CMAKE_MATCH_1}")
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else()
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message(FATAL_ERROR "Unknown arguments:\n ${ARGN}\n")
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endif()
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if(_lang STREQUAL "C")
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set(src ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CheckIncludeFiles/${var}.c)
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elseif(_lang STREQUAL "CXX")
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set(src ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CheckIncludeFiles/${var}.cpp)
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else()
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message(FATAL_ERROR "Unknown language:\n ${_lang}\nSupported languages: C, CXX.\n")
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endif()
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if(CMAKE_REQUIRED_INCLUDES)
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set(CHECK_INCLUDE_FILES_INCLUDE_DIRS "-DINCLUDE_DIRECTORIES=${CMAKE_REQUIRED_INCLUDES}")
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else()
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set(CHECK_INCLUDE_FILES_INCLUDE_DIRS)
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endif()
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set(CHECK_INCLUDE_FILES_CONTENT "/* */\n")
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set(MACRO_CHECK_INCLUDE_FILES_FLAGS ${CMAKE_REQUIRED_FLAGS})
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foreach(FILE ${INCLUDE})
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string(APPEND CMAKE_CONFIGURABLE_FILE_CONTENT
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"#include <${FILE}>\n")
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endforeach()
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string(APPEND CMAKE_CONFIGURABLE_FILE_CONTENT
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"\n\nint main(void){return 0;}\n")
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configure_file("${CMAKE_ROOT}/Modules/CMakeConfigurableFile.in"
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"${src}" @ONLY)
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set(_INCLUDE ${INCLUDE}) # remove empty elements
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if("${_INCLUDE}" MATCHES "^([^;]+);.+;([^;]+)$")
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list(LENGTH _INCLUDE _INCLUDE_LEN)
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set(_description "${_INCLUDE_LEN} include files ${CMAKE_MATCH_1}, ..., ${CMAKE_MATCH_2}")
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elseif("${_INCLUDE}" MATCHES "^([^;]+);([^;]+)$")
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set(_description "include files ${CMAKE_MATCH_1}, ${CMAKE_MATCH_2}")
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else()
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set(_description "include file ${_INCLUDE}")
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endif()
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if(NOT CMAKE_REQUIRED_QUIET)
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message(STATUS "Looking for ${_description}")
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endif()
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try_compile(${VARIABLE}
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${CMAKE_BINARY_DIR}
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${src}
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COMPILE_DEFINITIONS ${CMAKE_REQUIRED_DEFINITIONS}
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CMAKE_FLAGS
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-DCOMPILE_DEFINITIONS:STRING=${MACRO_CHECK_INCLUDE_FILES_FLAGS}
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"${CHECK_INCLUDE_FILES_INCLUDE_DIRS}"
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OUTPUT_VARIABLE OUTPUT)
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if(${VARIABLE})
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if(NOT CMAKE_REQUIRED_QUIET)
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message(STATUS "Looking for ${_description} - found")
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endif()
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set(${VARIABLE} 1 CACHE INTERNAL "Have include ${INCLUDE}")
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file(APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeOutput.log
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"Determining if files ${INCLUDE} "
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"exist passed with the following output:\n"
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"${OUTPUT}\n\n")
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else()
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if(NOT CMAKE_REQUIRED_QUIET)
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message(STATUS "Looking for ${_description} - not found")
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endif()
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set(${VARIABLE} "" CACHE INTERNAL "Have includes ${INCLUDE}")
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file(APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeError.log
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"Determining if files ${INCLUDE} "
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"exist failed with the following output:\n"
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"${OUTPUT}\nSource:\n${CMAKE_CONFIGURABLE_FILE_CONTENT}\n")
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endif()
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endif()
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endmacro()
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@ -20,6 +20,7 @@ SET(PACKAGE_TARNAME "fish")
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INCLUDE(CheckFunctionExists)
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INCLUDE(CheckCXXSymbolExists)
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INCLUDE(CheckIncludeFileCXX)
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INCLUDE(CheckIncludeFiles)
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INCLUDE(CheckStructHasMember)
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INCLUDE(CheckCXXSourceCompiles)
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INCLUDE(CheckTypeSize)
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@ -129,6 +129,47 @@ THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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----
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## License for CMake
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The `fish` source code contains files from [CMake](https://cmake.org) to support the build system.
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This code is distributed under the terms of a BSD-style license. Copyright 2000-2017 Kitware, Inc.
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and Contributors.
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The BSD license for CMake follows.
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CMake - Cross Platform Makefile Generator
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Copyright 2000-2017 Kitware, Inc. and Contributors
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All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions
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are met:
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* Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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* Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in the
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documentation and/or other materials provided with the distribution.
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* Neither the name of Kitware, Inc. nor the names of Contributors
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may be used to endorse or promote products derived from this
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software without specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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----
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## License for wcslcpy and code derived from tmux
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`fish` also contains small amounts of code under the OpenBSD license, namely a version of the function strlcpy, modified for use with wide character strings. This code is copyrighted by Todd C. Miller (1998). It also contains code from [tmux](http://tmux.sourceforge.net), copyrighted by Nicholas Marriott <nicm@users.sourceforge.net> (2007), and made available under an identical license.
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