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150
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1 if (OPENMP_STANDALONE_BUILD)
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2 # From HandleLLVMOptions.cmake
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3 function(append_if condition value)
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4 if (${condition})
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5 foreach(variable ${ARGN})
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6 set(${variable} "${${variable}} ${value}" PARENT_SCOPE)
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7 endforeach(variable)
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8 endif()
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9 endfunction()
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10 endif()
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11
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12 # MSVC and clang-cl in compatibility mode map -Wall to -Weverything.
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13 # TODO: LLVM adds /W4 instead, check if that works for the OpenMP runtimes.
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14 if (NOT MSVC)
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15 append_if(OPENMP_HAVE_WALL_FLAG "-Wall" CMAKE_C_FLAGS CMAKE_CXX_FLAGS)
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16 endif()
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17 if (OPENMP_ENABLE_WERROR)
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18 append_if(OPENMP_HAVE_WERROR_FLAG "-Werror" CMAKE_C_FLAGS CMAKE_CXX_FLAGS)
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19 endif()
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20
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21 # Additional warnings that are not enabled by -Wall.
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22 append_if(OPENMP_HAVE_WCAST_QUAL_FLAG "-Wcast-qual" CMAKE_C_FLAGS CMAKE_CXX_FLAGS)
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23 append_if(OPENMP_HAVE_WFORMAT_PEDANTIC_FLAG "-Wformat-pedantic" CMAKE_C_FLAGS CMAKE_CXX_FLAGS)
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24 append_if(OPENMP_HAVE_WIMPLICIT_FALLTHROUGH_FLAG "-Wimplicit-fallthrough" CMAKE_C_FLAGS CMAKE_CXX_FLAGS)
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25 append_if(OPENMP_HAVE_WSIGN_COMPARE_FLAG "-Wsign-compare" CMAKE_C_FLAGS CMAKE_CXX_FLAGS)
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26
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27 # Warnings that we want to disable because they are too verbose or fragile.
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28
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252
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29 # GCC silently accepts any -Wno-<foo> option, but warns about those options
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30 # being unrecognized only if the compilation triggers other warnings to be
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31 # printed. Therefore, check for whether the compiler supports options in the
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32 # form -W<foo>, and if supported, add the corresponding -Wno-<foo> option.
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33
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34 append_if(OPENMP_HAVE_WENUM_CONSTEXPR_CONVERSION_FLAG "-Wno-enum-constexpr-conversion" CMAKE_C_FLAGS CMAKE_CXX_FLAGS)
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35 append_if(OPENMP_HAVE_WEXTRA_FLAG "-Wno-extra" CMAKE_C_FLAGS CMAKE_CXX_FLAGS)
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36 append_if(OPENMP_HAVE_WPEDANTIC_FLAG "-Wno-pedantic" CMAKE_C_FLAGS CMAKE_CXX_FLAGS)
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37 append_if(OPENMP_HAVE_WMAYBE_UNINITIALIZED_FLAG "-Wno-maybe-uninitialized" CMAKE_C_FLAGS CMAKE_CXX_FLAGS)
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