diff options
Diffstat (limited to 'cmake/QtAutoDetectHelpers.cmake')
| -rw-r--r-- | cmake/QtAutoDetectHelpers.cmake | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/cmake/QtAutoDetectHelpers.cmake b/cmake/QtAutoDetectHelpers.cmake index fe6087748d6..6e6473da641 100644 --- a/cmake/QtAutoDetectHelpers.cmake +++ b/cmake/QtAutoDetectHelpers.cmake @@ -64,6 +64,41 @@ function(qt_auto_detect_wasm) endif() endfunction() +# Handle assignment of CMAKE_POLICY_VERSION_MINIMUM for Android NDK cmake toolchain files shipped +# with NDK < r28, to avoid deprecation warnings. +# +# NOTE: If updating the version, also update +# qt_internal_get_android_qt_default_cmake_policy_version_minimum. +# +# Use a macro, to make propagation of the variable in the parent scope of the calling function +# easier. +macro(qt_auto_detect_set_android_cmake_policy_version_minimum is_android_detected) + if("${is_android_detected}" + AND CMAKE_VERSION VERSION_GREATER_EQUAL "4.0" + AND NOT QT_NO_SET_ANDROID_CMAKE_POLICY_VERSION_MINIMUM + ) + + if(QT_ANDROID_CMAKE_POLICY_VERSION_MINIMUM) + set(min_policy_version "${QT_ANDROID_CMAKE_POLICY_VERSION_MINIMUM}") + elseif(CMAKE_POLICY_VERSION_MINIMUM) + set(min_policy_version "${CMAKE_POLICY_VERSION_MINIMUM}") + else() + set(min_policy_version "3.10") + endif() + + message(DEBUG + "Setting CMAKE_POLICY_VERSION_MINIMUM to ${min_policy_version} for Android builds.") + + # Set the variable in the qtbase directory scope for easier reading. + set(CMAKE_POLICY_VERSION_MINIMUM "${min_policy_version}" PARENT_SCOPE) + + # Also set the environment variable, otherwise any try_compile project that's started + # by CMake itself, rather than Qt (e.g. compiler detection), will not inherit the + # assignment. + set(ENV{CMAKE_POLICY_VERSION_MINIMUM} "${min_policy_version}") + endif() +endmacro() + function(qt_auto_detect_android) # Don't assume an Android build if we're requesting to build Java documentation on the host. if(QT_BUILD_HOST_JAVA_DOCS) @@ -154,6 +189,8 @@ function(qt_auto_detect_android) elseif (QT_AUTODETECT_ANDROID) message(STATUS "Android build detected") endif() + + qt_auto_detect_set_android_cmake_policy_version_minimum("${android_detected}") endfunction() function(qt_auto_detect_vcpkg) |