mirror of
https://gitlab.kitware.com/vtk/vtk-m
synced 2024-09-18 18:15:44 +00:00
95 lines
3.9 KiB
CMake
95 lines
3.9 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 2014 Sandia Corporation.
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## Copyright 2014 UT-Battelle, LLC.
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## Copyright 2014 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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if(CMAKE_CXX_COMPILER_ID STREQUAL "Clang")
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set(CMAKE_COMPILER_IS_CLANGXX 1)
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endif()
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if(CMAKE_CXX_COMPILER_ID STREQUAL "AppleClang")
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set(CMAKE_COMPILER_IS_CLANGXX 1)
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endif()
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if(CMAKE_CXX_COMPILER_ID STREQUAL "PGI")
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set(CMAKE_COMPILER_IS_PGIXX 1)
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endif()
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if(CMAKE_CXX_COMPILER_ID STREQUAL "Intel")
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set(CMAKE_COMPILER_IS_ICCXX 1)
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endif()
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if(CMAKE_COMPILER_IS_GNUCXX OR CMAKE_COMPILER_IS_CLANGXX)
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include(CheckCXXCompilerFlag)
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# Standard warning flags we should always have
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set(CMAKE_CXX_FLAGS_WARN " -Wall")
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set(CMAKE_CXX_FLAGS_RELWITHDEBINFO
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"${CMAKE_CXX_FLAGS_RELWITHDEBINFO} ${CMAKE_CXX_FLAGS_WARN}")
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set(CMAKE_CXX_FLAGS_DEBUG
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"${CMAKE_CXX_FLAGS_DEBUG} ${CMAKE_CXX_FLAGS_WARN}")
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# Additional warnings for GCC/Clang
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set(CMAKE_CXX_FLAGS_WARN_EXTRA "-Wno-long-long -Wcast-align -Wconversion -Wchar-subscripts -Wextra -Wpointer-arith -Wformat -Wformat-security -Wshadow -Wunused-parameter -fno-common")
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if (VTKm_FORCE_ANSI)
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set(CMAKE_CXX_FLAGS_WARN_EXTRA "-ansi ${CMAKE_CXX_FLAGS_WARN_EXTRA}")
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endif()
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# Additional warnings just for Clang 3.5+, and AppleClang 7+ we specify
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# for all build types, since these failures to vectorize are not limited
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# to debug builds
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if (CMAKE_CXX_COMPILER_ID STREQUAL "Clang" AND
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CMAKE_CXX_COMPILER_VERSION VERSION_GREATER 3.4)
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set(CMAKE_CXX_FLAGS "-Wno-pass-failed ${CMAKE_CXX_FLAGS}")
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elseif(CMAKE_CXX_COMPILER_ID STREQUAL "AppleClang" AND
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CMAKE_CXX_COMPILER_VERSION VERSION_GREATER 6.99)
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set(CMAKE_CXX_FLAGS "-Wno-pass-failed ${CMAKE_CXX_FLAGS}")
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endif()
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# Set up the debug CXX_FLAGS for extra warnings
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option(VTKm_EXTRA_COMPILER_WARNINGS "Add compiler flags to do stricter checking when building debug." ON)
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# We used to add the compiler flags globally, but this caused problems with
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# the CUDA compiler (and its lack of support for GCC pragmas). Instead,
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# the vtkm_declare_headers and vtkm_unit_tests CMake functions add these flags
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# to their compiles. As long as the unit tests have good coverage, this
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# should catch all problems.
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if(VTKm_EXTRA_COMPILER_WARNINGS)
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set(CMAKE_CXX_FLAGS_RELWITHDEBINFO
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"${CMAKE_CXX_FLAGS_RELWITHDEBINFO} ${CMAKE_CXX_FLAGS_WARN_EXTRA}")
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set(CMAKE_CXX_FLAGS_DEBUG
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"${CMAKE_CXX_FLAGS_DEBUG} ${CMAKE_CXX_FLAGS_WARN_EXTRA}")
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endif()
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elseif(CMAKE_COMPILER_IS_PGIXX)
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#PGI and boost do not play well together when it comes to detected float128
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#support. The primary issue is that Boost believes that PGI supports __float128
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#because it is reporting itself as GCC, but it actually doesn't.
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#our workaround for this is to manually explicitly disable float128
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add_definitions("-DBOOST_MATH_DISABLE_FLOAT128=1")
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elseif(CMAKE_COMPILER_IS_ICCXX)
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#Intel compiler offers header level suppression in the form of
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# #pragma warning(disable : 1478), but for warning 1478 it seems to not
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#work. Instead we add it as a definition
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add_definitions("-wd1478")
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# Likewise to suppress failures about being unable to apply vectorization
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# to loops, the #pragma warning(disable seems to not work so we add a
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# a compile define.
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add_definitions("-wd13379")
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endif()
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