diff options
Diffstat (limited to 'cmake/QtCompilerFlags.cmake')
| -rw-r--r-- | cmake/QtCompilerFlags.cmake | 23 |
1 files changed, 21 insertions, 2 deletions
diff --git a/cmake/QtCompilerFlags.cmake b/cmake/QtCompilerFlags.cmake index 35733027f5..a376ac0097 100644 --- a/cmake/QtCompilerFlags.cmake +++ b/cmake/QtCompilerFlags.cmake @@ -1,6 +1,25 @@ # 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) - add_compile_options(/W3) + list(APPEND _qt_compiler_warning_flags_on /W3) + list(APPEND _qt_compiler_warning_flags_off -W0) else() - add_compile_options(-Wall -Wextra) + list(APPEND _qt_compiler_warning_flags_on -Wall -Wextra) + 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}) |