qtbase/cmake/QtCompilerFlags.cmake
Tatiana Borisova ccb68f1d28 Delete -Wextra compilation flag for GHS compiler
- GHS compiler doesn't have -Wextra flag and it leads to huge count of warnings.

Change-Id: Id2ba654a49fb163bebc75e3a22ecaa1895ecdbe8
Reviewed-by: Alexandru Croitor <alexandru.croitor@qt.io>
(cherry picked from commit 05acb9e2b9cc6a830394f55f5dff6c4a18bc17b0)
Reviewed-by: Qt Cherry-pick Bot <cherrypick_bot@qt-project.org>
2021-11-19 10:05:47 +00:00

30 lines
1.2 KiB
CMake

# Set warnings. All compilers except MSVC support -Wall -Wextra
# Allow opting out by setting a QT_COMPILE_WARNINGS_OFF property on targets. This would be the
# equivalent of 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})