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15279e7569
This effectively reverts commit 9ff0cc7e0fa7e99163610d2fcb58e96f3315e343. For some reason "git revert" lead to "no changes" after fixing conflicts, so a clean revert was not possible. The original issue (#57022) is no longer reproducible even with this patch, so we can remove the suppression. This is in line with our goal to make -Wenum-constexpr-conversion a non-downgradeable error, see #59036. Co-authored-by: Carlos Gálvez <carlos.galvez@zenseact.com>
64 lines
2.7 KiB
CMake
64 lines
2.7 KiB
CMake
if (NOT COMMAND append_if)
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# From HandleLLVMOptions.cmake
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function(append_if condition value)
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if (${condition})
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foreach(variable ${ARGN})
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set(${variable} "${${variable}} ${value}" PARENT_SCOPE)
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endforeach(variable)
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endif()
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endfunction()
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endif()
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if (NOT COMMAND append)
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function(append value)
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foreach(variable ${ARGN})
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set(${variable} "${${variable}} ${value}" PARENT_SCOPE)
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endforeach(variable)
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endfunction()
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endif()
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# MSVC and clang-cl in compatibility mode map -Wall to -Weverything.
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# TODO: LLVM adds /W4 instead, check if that works for the OpenMP runtimes.
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if (NOT MSVC)
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append_if(OPENMP_HAVE_WALL_FLAG "-Wall" CMAKE_C_FLAGS CMAKE_CXX_FLAGS)
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endif()
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if (OPENMP_ENABLE_WERROR)
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append_if(OPENMP_HAVE_WERROR_FLAG "-Werror" CMAKE_C_FLAGS CMAKE_CXX_FLAGS)
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endif()
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append_if(OPENMP_HAVE_COLOR_DIAGNOSTICS "-fcolor-diagnostics" CMAKE_C_FLAGS CMAKE_CXX_FLAGS)
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# Additional warnings that are not enabled by -Wall.
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append_if(OPENMP_HAVE_WCAST_QUAL_FLAG "-Wcast-qual" CMAKE_C_FLAGS CMAKE_CXX_FLAGS)
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append_if(OPENMP_HAVE_WFORMAT_PEDANTIC_FLAG "-Wformat-pedantic" CMAKE_C_FLAGS CMAKE_CXX_FLAGS)
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append_if(OPENMP_HAVE_WIMPLICIT_FALLTHROUGH_FLAG "-Wimplicit-fallthrough" CMAKE_C_FLAGS CMAKE_CXX_FLAGS)
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append_if(OPENMP_HAVE_WSIGN_COMPARE_FLAG "-Wsign-compare" CMAKE_C_FLAGS CMAKE_CXX_FLAGS)
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# Warnings that we want to disable because they are too verbose or fragile.
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# GCC silently accepts any -Wno-<foo> option, but warns about those options
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# being unrecognized only if the compilation triggers other warnings to be
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# printed. Therefore, check for whether the compiler supports options in the
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# form -W<foo>, and if supported, add the corresponding -Wno-<foo> option.
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append_if(OPENMP_HAVE_WEXTRA_FLAG "-Wno-extra" CMAKE_C_FLAGS CMAKE_CXX_FLAGS)
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append_if(OPENMP_HAVE_WPEDANTIC_FLAG "-Wno-pedantic" CMAKE_C_FLAGS CMAKE_CXX_FLAGS)
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append_if(OPENMP_HAVE_WMAYBE_UNINITIALIZED_FLAG "-Wno-maybe-uninitialized" CMAKE_C_FLAGS CMAKE_CXX_FLAGS)
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if (NOT (WIN32 OR CYGWIN))
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# This flag is not relevant on Windows; the flag is accepted, but produces warnings
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# about argument unused during compilation.
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append_if(OPENMP_HAVE_NO_SEMANTIC_INTERPOSITION "-fno-semantic-interposition" CMAKE_C_FLAGS CMAKE_CXX_FLAGS)
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endif()
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append_if(OPENMP_HAVE_FUNCTION_SECTIONS "-ffunction-section" CMAKE_C_FLAGS CMAKE_CXX_FLAGS)
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append_if(OPENMP_HAVE_DATA_SECTIONS "-fdata-sections" CMAKE_C_FLAGS CMAKE_CXX_FLAGS)
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if (MSVC)
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# Disable "warning C4201: nonstandard extension used: nameless struct/union"
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append("-wd4201" CMAKE_C_FLAGS CMAKE_CXX_FLAGS)
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# Disable "warning C4190: '__kmpc_atomic_cmplx8_rd' has C-linkage specified, but returns
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# UDT '__kmp_cmplx64_t' which is incompatible with C"
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append("-wd4190" CMAKE_C_FLAGS CMAKE_CXX_FLAGS)
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endif()
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