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86578eccf2
Per-source copyright/license notice headers that spell out copyright holder names and years are hard to maintain and often out-of-date or plain wrong. Precise contributor information is already maintained automatically by the version control tool. Ultimately it is the receiver of a file who is responsible for determining its licensing status, and per-source notices are merely a convenience. Therefore it is simpler and more accurate for each source to have a generic notice of the license name and references to more detailed information on copyright holders and full license terms. Our `Copyright.txt` file now contains a list of Contributors whose names appeared source-level copyright notices. It also references version control history for more precise information. Therefore we no longer need to spell out the list of Contributors in each source file notice. Replace CMake per-source copyright/license notice headers with a short description of the license and links to `Copyright.txt` and online information available from "https://cmake.org/licensing". The online URL also handles cases of modules being copied out of our source into other projects, so we can drop our notices about replacing links with full license text. Run the `Utilities/Scripts/filter-notices.bash` script to perform the majority of the replacements mechanically. Manually fix up shebang lines and trailing newlines in a few files. Manually update the notices in a few files that the script does not handle.
99 lines
2.4 KiB
CMake
99 lines
2.4 KiB
CMake
# Distributed under the OSI-approved BSD 3-Clause License. See accompanying
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# file Copyright.txt or https://cmake.org/licensing for details.
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#.rst:
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# FindLua50
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# ---------
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#
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#
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#
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# Locate Lua library This module defines
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#
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# ::
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#
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# LUA50_FOUND, if false, do not try to link to Lua
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# LUA_LIBRARIES, both lua and lualib
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# LUA_INCLUDE_DIR, where to find lua.h and lualib.h (and probably lauxlib.h)
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#
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#
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#
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# Note that the expected include convention is
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#
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# ::
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#
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# #include "lua.h"
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#
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# and not
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#
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# ::
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#
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# #include <lua/lua.h>
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#
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# This is because, the lua location is not standardized and may exist in
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# locations other than lua/
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find_path(LUA_INCLUDE_DIR lua.h
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HINTS
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ENV LUA_DIR
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PATH_SUFFIXES include/lua50 include/lua5.0 include/lua5 include/lua include
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PATHS
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~/Library/Frameworks
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/Library/Frameworks
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/sw # Fink
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/opt/local # DarwinPorts
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/opt/csw # Blastwave
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/opt
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)
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find_library(LUA_LIBRARY_lua
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NAMES lua50 lua5.0 lua-5.0 lua5 lua
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HINTS
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ENV LUA_DIR
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PATH_SUFFIXES lib
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PATHS
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~/Library/Frameworks
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/Library/Frameworks
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/sw
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/opt/local
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/opt/csw
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/opt
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)
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# In an OS X framework, lualib is usually included as part of the framework
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# (like GLU in OpenGL.framework)
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if(${LUA_LIBRARY_lua} MATCHES "framework")
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set( LUA_LIBRARIES "${LUA_LIBRARY_lua}" CACHE STRING "Lua framework")
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else()
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find_library(LUA_LIBRARY_lualib
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NAMES lualib50 lualib5.0 lualib5 lualib
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HINTS
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ENV LUALIB_DIR
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ENV LUA_DIR
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PATH_SUFFIXES lib
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PATHS
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/sw
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/opt/local
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/opt/csw
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/opt
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)
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if(LUA_LIBRARY_lualib AND LUA_LIBRARY_lua)
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# include the math library for Unix
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if(UNIX AND NOT APPLE)
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find_library(MATH_LIBRARY_FOR_LUA m)
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set( LUA_LIBRARIES "${LUA_LIBRARY_lualib};${LUA_LIBRARY_lua};${MATH_LIBRARY_FOR_LUA}" CACHE STRING "This is the concatentation of lua and lualib libraries")
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# For Windows and Mac, don't need to explicitly include the math library
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else()
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set( LUA_LIBRARIES "${LUA_LIBRARY_lualib};${LUA_LIBRARY_lua}" CACHE STRING "This is the concatentation of lua and lualib libraries")
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endif()
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endif()
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endif()
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include(${CMAKE_CURRENT_LIST_DIR}/FindPackageHandleStandardArgs.cmake)
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# handle the QUIETLY and REQUIRED arguments and set LUA_FOUND to TRUE if
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# all listed variables are TRUE
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FIND_PACKAGE_HANDLE_STANDARD_ARGS(Lua50 DEFAULT_MSG LUA_LIBRARIES LUA_INCLUDE_DIR)
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mark_as_advanced(LUA_INCLUDE_DIR LUA_LIBRARIES)
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