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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copyright/license notice headers that spell out copyright holder names and years are hard to maintain and often out-of-date or plain wrong.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.
125 lines
3.7 KiB
CMake
125 lines
3.7 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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# FindOpenThreads
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# ---------------
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#
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#
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#
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# OpenThreads is a C++ based threading library. Its largest userbase
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# seems to OpenSceneGraph so you might notice I accept OSGDIR as an
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# environment path. I consider this part of the Findosg* suite used to
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# find OpenSceneGraph components. Each component is separate and you
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# must opt in to each module.
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#
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# Locate OpenThreads This module defines OPENTHREADS_LIBRARY
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# OPENTHREADS_FOUND, if false, do not try to link to OpenThreads
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# OPENTHREADS_INCLUDE_DIR, where to find the headers
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#
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# $OPENTHREADS_DIR is an environment variable that would correspond to
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# the ./configure --prefix=$OPENTHREADS_DIR used in building osg.
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#
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# [CMake 2.8.10]: The CMake variables OPENTHREADS_DIR or OSG_DIR can now
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# be used as well to influence detection, instead of needing to specify
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# an environment variable.
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#
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# Created by Eric Wing.
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# Header files are presumed to be included like
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# #include <OpenThreads/Thread>
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# To make it easier for one-step automated configuration/builds,
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# we leverage environmental paths. This is preferable
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# to the -DVAR=value switches because it insulates the
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# users from changes we may make in this script.
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# It also offers a little more flexibility than setting
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# the CMAKE_*_PATH since we can target specific components.
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# However, the default CMake behavior will search system paths
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# before anything else. This is problematic in the cases
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# where you have an older (stable) version installed, but
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# are trying to build a newer version.
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# CMake doesn't offer a nice way to globally control this behavior
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# so we have to do a nasty "double FIND_" in this module.
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# The first FIND disables the CMAKE_ search paths and only checks
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# the environmental paths.
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# If nothing is found, then the second find will search the
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# standard install paths.
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# Explicit -DVAR=value arguments should still be able to override everything.
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find_path(OPENTHREADS_INCLUDE_DIR OpenThreads/Thread
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HINTS
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ENV OPENTHREADS_INCLUDE_DIR
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ENV OPENTHREADS_DIR
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ENV OSG_INCLUDE_DIR
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ENV OSG_DIR
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ENV OSGDIR
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ENV OpenThreads_ROOT
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ENV OSG_ROOT
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${OPENTHREADS_DIR}
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${OSG_DIR}
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PATHS
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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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/usr/freeware
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PATH_SUFFIXES include
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)
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find_library(OPENTHREADS_LIBRARY
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NAMES OpenThreads OpenThreadsWin32
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HINTS
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ENV OPENTHREADS_LIBRARY_DIR
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ENV OPENTHREADS_DIR
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ENV OSG_LIBRARY_DIR
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ENV OSG_DIR
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ENV OSGDIR
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ENV OpenThreads_ROOT
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ENV OSG_ROOT
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${OPENTHREADS_DIR}
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${OSG_DIR}
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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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/usr/freeware
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PATH_SUFFIXES lib
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)
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find_library(OPENTHREADS_LIBRARY_DEBUG
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NAMES OpenThreadsd OpenThreadsWin32d
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HINTS
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ENV OPENTHREADS_DEBUG_LIBRARY_DIR
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ENV OPENTHREADS_LIBRARY_DIR
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ENV OPENTHREADS_DIR
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ENV OSG_LIBRARY_DIR
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ENV OSG_DIR
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ENV OSGDIR
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ENV OpenThreads_ROOT
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ENV OSG_ROOT
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${OPENTHREADS_DIR}
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${OSG_DIR}
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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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/usr/freeware
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PATH_SUFFIXES lib
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)
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if(OPENTHREADS_LIBRARY_DEBUG)
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set(OPENTHREADS_LIBRARIES
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optimized ${OPENTHREADS_LIBRARY}
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debug ${OPENTHREADS_LIBRARY_DEBUG})
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else()
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set(OPENTHREADS_LIBRARIES ${OPENTHREADS_LIBRARY})
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endif()
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include(${CMAKE_CURRENT_LIST_DIR}/FindPackageHandleStandardArgs.cmake)
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FIND_PACKAGE_HANDLE_STANDARD_ARGS(OpenThreads DEFAULT_MSG
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OPENTHREADS_LIBRARY OPENTHREADS_INCLUDE_DIR)
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