qt5base-lts/cmake/QtCompilerFlags.cmake
Lucie Gérard fb1b20eab3 Add license headers to cmake files
CMakeLists.txt and .cmake files of significant size
(more than 2 lines according to our check in tst_license.pl)
now have the copyright and license header.

Existing copyright statements remain intact

Task-number: QTBUG-88621
Change-Id: I3b98cdc55ead806ec81ce09af9271f9b95af97fa
Reviewed-by: Jörg Bornemann <joerg.bornemann@qt.io>
2022-08-03 17:14:55 +02:00

35 lines
1.5 KiB
CMake

# Copyright (C) 2022 The Qt Company Ltd.
# SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
# Enable compiler warnings by default. All compilers except MSVC support -Wall -Wextra
#
# You can disable the warnings for specific targets (for instance containing 3rd party code)
# by calling qt_disable_warnings(target). This will set the QT_COMPILE_OPTIONS_DISABLE_WARNINGS
# property checked below, and is equivalent to qmake's CONFIG += warn_off.
set(_qt_compiler_warning_flags_on "")
set(_qt_compiler_warning_flags_off "")
if (MSVC)
list(APPEND _qt_compiler_warning_flags_on /W3)
list(APPEND _qt_compiler_warning_flags_off -W0)
else()
if(CMAKE_CXX_COMPILER_ID STREQUAL "GHS") # There is no -Wextra flag for GHS compiler.
list(APPEND _qt_compiler_warning_flags_on -Wall)
else()
list(APPEND _qt_compiler_warning_flags_on -Wall -Wextra)
endif()
list(APPEND _qt_compiler_warning_flags_off -w)
endif()
set(_qt_compiler_warning_flags_condition
"$<BOOL:$<TARGET_PROPERTY:QT_COMPILE_OPTIONS_DISABLE_WARNINGS>>")
set(_qt_compiler_warning_flags_genex
"$<IF:${_qt_compiler_warning_flags_condition},${_qt_compiler_warning_flags_off},${_qt_compiler_warning_flags_on}>")
# Need to replace semicolons so that the list is not wrongly expanded in the add_compile_options
# call.
string(REPLACE ";" "$<SEMICOLON>"
_qt_compiler_warning_flags_genex "${_qt_compiler_warning_flags_genex}")
add_compile_options(${_qt_compiler_warning_flags_genex})