mirror of
https://gitlab.kitware.com/vtk/vtk-m
synced 2024-09-19 10:35:42 +00:00
100 lines
4.0 KiB
CMake
100 lines
4.0 KiB
CMake
##============================================================================
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## Copyright (c) Kitware, Inc.
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## All rights reserved.
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## See LICENSE.txt for details.
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## This software is distributed WITHOUT ANY WARRANTY; without even
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## the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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## PURPOSE. See the above copyright notice for more information.
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##
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## Copyright 2017 Sandia Corporation.
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## Copyright 2017 UT-Battelle, LLC.
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## Copyright 2017 Los Alamos National Security.
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##
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## Under the terms of Contract DE-AC04-94AL85000 with Sandia Corporation,
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## the U.S. Government retains certain rights in this software.
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##
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## Under the terms of Contract DE-AC52-06NA25396 with Los Alamos National
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## Laboratory (LANL), the U.S. Government retains certain rights in
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## this software.
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##============================================================================
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# Used to determine the version for VTK-m source using "git describe", if git
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# is found. On success sets the following variables in caller's scope:
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# ${var_prefix}_VERSION
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# ${var_prefix}_VERSION_MAJOR
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# ${var_prefix}_VERSION_MINOR
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# ${var_prefix}_VERSION_PATCH
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# ${var_prefix}_VERSION_PATCH_EXTRA
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# ${var_prefix}_VERSION_FULL
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# ${var_prefix}_VERSION_IS_RELEASE is true, if patch-extra is empty.
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#
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# If git is not found, or git describe cannot be run successfully, then these
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# variables are left unchanged and a status message is printed.
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#
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# Arguments are:
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# source_dir : Source directory
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# git_command : git executable
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# var_prefix : prefix for variables e.g. "VTKm".
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function(determine_version source_dir git_command var_prefix)
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if ("$Format:$" STREQUAL "")
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# We are in an exported tarball and should use the shipped version
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# information. Just return here to avoid the warning message at the end of
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# this function.
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return ()
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elseif (NOT VTKm_GIT_DESCRIBE)
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if(EXISTS ${git_command})
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execute_process(
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COMMAND ${git_command} describe
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WORKING_DIRECTORY ${source_dir}
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RESULT_VARIABLE result
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OUTPUT_VARIABLE output
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ERROR_QUIET
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OUTPUT_STRIP_TRAILING_WHITESPACE
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ERROR_STRIP_TRAILING_WHITESPACE)
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endif()
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else()
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set(result 0)
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set(output ${VTKm_GIT_DESCRIBE})
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endif()
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extract_version_components("${output}" tmp)
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if(DEFINED tmp_VERSION)
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message(STATUS "Determined Source Version : ${tmp_VERSION_FULL}")
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if (NOT "${tmp_VERSION}" STREQUAL "${${var_prefix}_VERSION}")
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message(WARNING
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"Version from git (${tmp_VERSION}) disagrees with hard coded version (${${var_prefix}_VERSION}). Either update the git tags or version.txt.")
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endif()
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foreach(suffix VERSION VERSION_MAJOR VERSION_MINOR VERSION_PATCH
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VERSION_PATCH_EXTRA VERSION_FULL VERSION_IS_RELEASE)
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set(${var_prefix}_${suffix} ${tmp_${suffix}} PARENT_SCOPE)
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endforeach()
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else()
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message(STATUS
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"Could not use git to determine source version, using version ${${var_prefix}_VERSION_FULL}")
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endif()
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endfunction()
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# Extracts components from a version string. See determine_version() for usage.
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function(extract_version_components version_string var_prefix)
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string(REGEX MATCH "([0-9]+)\\.([0-9]+)\\.([0-9]+)[-]*(.*)"
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version_matches "${version_string}")
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if(CMAKE_MATCH_0)
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set(full ${CMAKE_MATCH_0})
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set(major ${CMAKE_MATCH_1})
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set(minor ${CMAKE_MATCH_2})
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set(patch ${CMAKE_MATCH_3})
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set(patch_extra ${CMAKE_MATCH_4})
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set(${var_prefix}_VERSION "${major}.${minor}" PARENT_SCOPE)
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set(${var_prefix}_VERSION_MAJOR ${major} PARENT_SCOPE)
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set(${var_prefix}_VERSION_MINOR ${minor} PARENT_SCOPE)
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set(${var_prefix}_VERSION_PATCH ${patch} PARENT_SCOPE)
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set(${var_prefix}_VERSION_PATCH_EXTRA ${patch_extra} PARENT_SCOPE)
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set(${var_prefix}_VERSION_FULL ${full} PARENT_SCOPE)
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if("${major}.${minor}.${patch}" VERSION_EQUAL "${full}")
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set(${var_prefix}_VERSION_IS_RELEASE TRUE PARENT_SCOPE)
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else()
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set(${var_prefix}_VERSION_IS_RELEASE FALSE PARENT_SCOPE)
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endif()
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endif()
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endfunction()
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