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35 lines
1.4 KiB
CMake
35 lines
1.4 KiB
CMake
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# Copyright (C) 2022 The Qt Company Ltd.
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# SPDX-License-Identifier: BSD-3-Clause
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# Enable compiler warnings by default. All compilers except MSVC support -Wall -Wextra
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#
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# You can disable the warnings for specific targets (for instance containing 3rd party code)
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# by calling qt_disable_warnings(target). This will set the QT_COMPILE_OPTIONS_DISABLE_WARNINGS
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# property checked below, and is equivalent to qmake's CONFIG += warn_off.
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set(_qt_compiler_warning_flags_on "")
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set(_qt_compiler_warning_flags_off "")
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if (MSVC)
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list(APPEND _qt_compiler_warning_flags_on /W3)
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list(APPEND _qt_compiler_warning_flags_off -W0)
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else()
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if(CMAKE_CXX_COMPILER_ID STREQUAL "GHS") # There is no -Wextra flag for GHS compiler.
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list(APPEND _qt_compiler_warning_flags_on -Wall)
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else()
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list(APPEND _qt_compiler_warning_flags_on -Wall -Wextra)
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endif()
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list(APPEND _qt_compiler_warning_flags_off -w)
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endif()
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set(_qt_compiler_warning_flags_condition
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"$<BOOL:$<TARGET_PROPERTY:QT_COMPILE_OPTIONS_DISABLE_WARNINGS>>")
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set(_qt_compiler_warning_flags_genex
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"$<IF:${_qt_compiler_warning_flags_condition},${_qt_compiler_warning_flags_off},${_qt_compiler_warning_flags_on}>")
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# Need to replace semicolons so that the list is not wrongly expanded in the add_compile_options
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# call.
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string(REPLACE ";" "$<SEMICOLON>"
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_qt_compiler_warning_flags_genex "${_qt_compiler_warning_flags_genex}")
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add_compile_options(${_qt_compiler_warning_flags_genex})
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