diff options
| -rw-r--r-- | cmake/QtBuild.cmake | 8 | ||||
| -rw-r--r-- | cmake/QtCompilerFlags.cmake | 23 |
2 files changed, 29 insertions, 2 deletions
diff --git a/cmake/QtBuild.cmake b/cmake/QtBuild.cmake index 58f820416c..4cc14588d7 100644 --- a/cmake/QtBuild.cmake +++ b/cmake/QtBuild.cmake @@ -1423,6 +1423,14 @@ function(qt_skip_warnings_are_errors_when_repo_unclean target) endif() endfunction() +function(qt_disable_warnings target) + get_target_property(target_type "${target}" TYPE) + if(target_type STREQUAL "INTERFACE_LIBRARY") + return() + endif() + set_target_properties("${target}" PROPERTIES QT_COMPILE_OPTIONS_DISABLE_WARNINGS ON) +endfunction() + function(qt_get_sanitized_plugin_type plugin_type out_var) # Used to handle some edge cases such as platforms/darwin string(REGEX REPLACE "[-/]" "_" plugin_type "${plugin_type}") diff --git a/cmake/QtCompilerFlags.cmake b/cmake/QtCompilerFlags.cmake index 35733027f5..a376ac0097 100644 --- a/cmake/QtCompilerFlags.cmake +++ b/cmake/QtCompilerFlags.cmake @@ -1,6 +1,25 @@ # Set warnings. All compilers except MSVC support -Wall -Wextra +# Allow opting out by setting a QT_COMPILE_WARNINGS_OFF property on targets. This would be the +# equivalent of qmake's CONFIG += warn_off. + +set(_qt_compiler_warning_flags_on "") +set(_qt_compiler_warning_flags_off "") + if (MSVC) - add_compile_options(/W3) + list(APPEND _qt_compiler_warning_flags_on /W3) + list(APPEND _qt_compiler_warning_flags_off -W0) else() - add_compile_options(-Wall -Wextra) + list(APPEND _qt_compiler_warning_flags_on -Wall -Wextra) + list(APPEND _qt_compiler_warning_flags_off -w) endif() + +set(_qt_compiler_warning_flags_condition + "$<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}) |