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https://github.com/Z3Prover/z3
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5893aea602
pass `/WX-` to MSVC. Although this is not necessary this duplicates the behaviour of the old build system.
54 lines
2 KiB
CMake
54 lines
2 KiB
CMake
set(GCC_AND_CLANG_WARNINGS
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"-Wall"
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)
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set(GCC_ONLY_WARNINGS "")
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set(CLANG_ONLY_WARNINGS "")
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set(MSVC_WARNINGS "/W3")
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set(WARNING_FLAGS_TO_CHECK "")
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if ("${CMAKE_CXX_COMPILER_ID}" MATCHES "GNU")
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list(APPEND WARNING_FLAGS_TO_CHECK ${GCC_AND_CLANG_WARNINGS})
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list(APPEND WARNING_FLAGS_TO_CHECK ${GCC_ONLY_WARNINGS})
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elseif ("${CMAKE_CXX_COMPILER_ID}" MATCHES "Clang")
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list(APPEND WARNING_FLAGS_TO_CHECK ${GCC_AND_CLANG_WARNINGS})
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list(APPEND WARNING_FLAGS_TO_CHECK ${CLANG_ONLY_WARNINGS})
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# FIXME: Remove "x.." when CMP0054 is set to NEW
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elseif ("x${CMAKE_CXX_COMPILER_ID}" STREQUAL "xMSVC")
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list(APPEND WARNING_FLAGS_TO_CHECK ${MSVC_WARNINGS})
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# CMake's default flags include /W3 already so remove them if
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# they already exist.
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if ("${CMAKE_CXX_FLAGS}" MATCHES "/W3")
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string(REPLACE "/W3" "" _cmake_cxx_flags_remove_w3 "${CMAKE_CXX_FLAGS}")
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set(CMAKE_CXX_FLAGS "${_cmake_cxx_flags_remove_w3}" CACHE STRING "" FORCE)
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endif()
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else()
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message(AUTHOR_WARNING "Unknown compiler")
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endif()
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# Loop through flags and use the ones which the compiler supports
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foreach (flag ${WARNING_FLAGS_TO_CHECK})
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z3_add_cxx_flag("${flag}")
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endforeach()
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option(WARNINGS_AS_ERRORS "Treat compiler warnings as errors" OFF)
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if (WARNINGS_AS_ERRORS)
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if (("${CMAKE_CXX_COMPILER_ID}" MATCHES "Clang") OR ("${CMAKE_CXX_COMPILER_ID}" MATCHES "GNU"))
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list(APPEND Z3_COMPONENT_CXX_FLAGS "-Werror")
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# FIXME: Remove "x.." when CMP0054 is set to NEW
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elseif ("x${CMAKE_CXX_COMPILER_ID}" STREQUAL "xMSVC")
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list(APPEND Z3_COMPONENT_CXX_FLAGS "/WX")
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else()
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message(AUTHOR_WARNING "Unknown compiler")
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endif()
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message(STATUS "Treating compiler warnings as errors")
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else()
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message(STATUS "Not treating compiler warnings as errors")
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# FIXME: Remove "x.." when CMP0054 is set to NEW
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if ("x${CMAKE_CXX_COMPILER_ID}" STREQUAL "xMSVC")
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# Warnings as errors is off by default for MSVC so setting this
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# is not necessary but this duplicates the behaviour of the old
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# build system.
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list(APPEND Z3_COMPONENT_CXX_FLAGS "/WX-")
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endif()
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endif()
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