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qt5base-lts/cmake/QtPlatformAndroid.cmake
Simon Hausmann efa9998521 Fix compiling of examples on Android 
* Simplify add_qt_gui_executable() to not require WIN32/MACOSX_BUNDLE
  but provide it implicitly. It's redundant :)

* When on Android, build a module (shared library), just like qmake.
  This requires an additional library destination in the install() call,
  but that's ignored on other platforms.

* Fix typos in the android deployment generation settings function

* Use the correct cache variable to determine whether we're inside a Qt
  build or not. Right now this only works inside Qt builds anyway as
  QtPlatformAndroid.cmake is not publically accessible.

Change-Id: If1c763c31a7a83d0e0d854362ba7901657f63eb5
Reviewed-by: Alexandru Croitor <alexandru.croitor@qt.io>
Reviewed-by: Qt CMake Build Bot
2019-06-12 14:19:53 +00:00

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#
# Self contained Platform Settings for Android
#
# Note: This file is used both by the internal and public builds.
#
#
# Public variables:
# QT_ANDROID_JAR
# Location of the adroid sdk jar for java code
# QT_ANDROID_APIVERSION
# Android API version
# QT_ANDROID_SDK_BUILD_TOOLS_VERSION
# Detected Android sdk build tools version
# QT_ANDROID_NDK_STDLIB_PATH
# Detected path to the c++ stl lib shared library
#
# Public functions:
#
# qt_android_generate_deployment_settings()
# Generate the deployment settings json file for a cmake target.
#
if (NOT DEFINED ANDROID_SDK_ROOT)
message(FATAL_ERROR "Please provide the location of the Android SDK directory via -DANDROID_SDK_ROOT=<path to Adndroid SDK>")
endif()
if (NOT IS_DIRECTORY "${ANDROID_SDK_ROOT}")
message(FATAL_ERROR "Could not find ANDROID_SDK_ROOT or path is not a directory: ${ANDROID_SDK_ROOT}")
endif()
# Minimum recommend android SDK api version
set(QT_ANDROID_API_VERSION "android-21")
# Locate android.jar
set(QT_ANDROID_JAR "${ANDROID_SDK_ROOT}/platforms/${QT_ANDROID_API_VERSION}/android.jar")
if(NOT EXISTS "${QT_ANDROID_JAR}")
# Locate the highest available platform
file(GLOB android_platforms
LIST_DIRECTORIES true
RELATIVE "${ANDROID_SDK_ROOT}/platforms"
"${ANDROID_SDK_ROOT}/platforms/*")
# If list is not empty
if(android_platforms)
list(SORT android_platforms)
list(REVERSE android_platforms)
list(GET android_platforms 0 android_platform_latest)
set(QT_ANDROID_API_VERSION ${android_platform_latest})
set(QT_ANDROID_JAR "${ANDROID_SDK_ROOT}/platforms/${QT_ANDROID_API_VERSION}/android.jar")
endif()
endif()
if(NOT EXISTS "${QT_ANDROID_JAR}")
message(FATAL_ERROR "No suitable Android SDK platform found. Minimum version is ${QT_ANDROID_API_VERSION}")
endif()
message(STATUS "Using Android SDK API ${QT_ANDROID_API_VERSION} from ${ANDROID_SDK_ROOT}/platforms")
# Locate Java
include(UseJava)
# Find JDK 8.0
find_package(Java 1.8 COMPONENTS Development REQUIRED)
# Locate newest android sdk build tools
if (NOT QT_ANDROID_SDK_BUILD_TOOLS_VERSION)
file(GLOB android_build_tools
LIST_DIRECTORIES true
RELATIVE "${ANDROID_SDK_ROOT}/build-tools"
"${ANDROID_SDK_ROOT}/build-tools/*")
if (NOT android_build_tools)
message(FATAL_ERROR "Could not locate Android SDK build tools under \"${ANDROID_SDK}/build-tools\"")
endif()
list(SORT android_build_tools)
list(REVERSE android_build_tools)
list(GET android_build_tools 0 android_build_tools_latest)
set(qt_QT_ANDROID_SDK_BUILD_TOOLS_VERSION ${android_build_tools_latest})
endif()
# Ensure we are using the shared version of libc++
if(NOT ANDROID_STL STREQUAL c++_shared)
message(FATAL_ERROR "The Qt libraries on Android only supports the shared library configuration of stl. Please use -DANDROID_STL=\"c++_shared\" as configuration argument.")
endif()
# Location of stdlibc++
set(QT_ANDROID_NDK_STDLIB_PATH "${ANDROID_NDK}/sources/cxx-stl/llvm-libc++/libs/${ANDROID_ABI}/libc++_shared.so")
# Target properties required for android deploy tool
define_property(TARGET
PROPERTY
QT_ANDROID_DEPLOYMENT_DEPENDENCIES
BRIEF_DOCS
"Specify additional plugins that need to be deployed with the current android application"
FULL_DOCS
"By default, androiddeployqt will detect the dependencies of your application. But since run-time usage of plugins cannot be detected, there could be false positives, as your application will depend on any plugins that are potential dependencies. If you want to minimize the size of your APK, it's possible to override the automatic detection using the ANDROID_DEPLOYMENT_DEPENDENCIES variable. This should contain a list of all Qt files which need to be included, with paths relative to the Qt install root. Note that only the Qt files specified here will be included. Failing to include the correct files can result in crashes. It's also important to make sure the files are listed in the correct loading order. This variable provides a way to override the automatic detection entirely, so if a library is listed before its dependencies, it will fail to load on some devices."
)
define_property(TARGET
PROPERTY
QT_ANDROID_EXTRA_LIBS
BRIEF_DOCS
"A list of external libraries that will be copied into your application's library folder and loaded on start-up."
FULL_DOCS
"A list of external libraries that will be copied into your application's library folder and loaded on start-up. This can be used, for instance, to enable OpenSSL in your application. Simply set the paths to the required libssl.so and libcrypto.so libraries here and OpenSSL should be enabled automatically."
)
define_property(TARGET
PROPERTY
QT_ANDROID_EXTRA_PLUGINS
BRIEF_DOCS
"This variable can be used to specify different resources that your project has to bundle but cannot be delivered through the assets system, such as qml plugins."
FULL_DOCS
"This variable can be used to specify different resources that your project has to bundle but cannot be delivered through the assets system, such as qml plugins. When using this variable, androiddeployqt will make sure everything is packaged and deployed properly."
)
define_property(TARGET
PROPERTY
QT_ANDROID_PACKAGE_SOURCE_DIR
BRIEF_DOCS
"This variable can be used to specify a directory where additions and modifications can be made to the default Android package template."
FULL_DOCS
"This variable can be used to specify a directory where additions and modifications can be made to the default Android package template. The androiddeployqt tool will copy the application template from Qt into the build directory, and then it will copy the contents of the ANDROID_PACKAGE_SOURCE_DIR on top of this, overwriting any existing files. The update step where parts of the source files are modified automatically to reflect your other settings is then run on the resulting merged package. If you, for instance, want to make a custom AndroidManifest.xml for your application, then place this directly into the folder specified in this variable. You can also add custom Java files in ANDROID_PACKAGE_SOURCE_DIR/src."
)
define_property(TARGET
PROPERTY
QT_ANDROID_DEPLOYMENT_SETTINGS_FILE
BRIEF_DOCS
" "
FULL_DOCS
" "
)
# Generate deployment tool json
function(qt_android_generate_deployment_settings target)
# Information extracted from mkspecs/features/android/android_deployment_settings.prf
if (NOT TARGET ${target})
message(SEND_ERROR "${target} is not a cmake target")
return()
endif()
get_target_property(target_type ${target} TYPE)
if (NOT "${target_type}" STREQUAL "MODULE_LIBRARY")
message(SEND_ERROR "QT_ANDROID_GENERATE_DEPLOYMENT_SETTINGS only works on Module targets")
return()
endif()
get_target_property(target_source_dir ${target} SOURCE_DIR)
get_target_property(target_binary_dir ${target} BINARY_DIR)
get_target_property(target_output_name ${target} OUTPUT_NAME)
if (NOT target_output_name)
set(target_output_name ${target})
endif()
set(deploy_file "${target_binary_dir}/android-lib${target_output_name}.so-deployment-settings.json")
file(WRITE ${deploy_file} "{\n")
# content begin
file(APPEND ${deploy_file}
" \"description\": \"This file is generated by cmake to be read by androiddeployqt and should not be modified by hand.\",\n")
# Host Qt Android install path
if (NOT QT_BUILDING_QT)
set(file_check "${Qt5_DIR}/plugins/platforms/android/libqtforandroid.so")
if (NOT EXISTS ${file_check})
message(SEND_ERROR "Detected Qt installation does not contain libqtforandroid.so. This is most likely due to the installation not being a build of Qt for Android. Please update your settings.")
return()
endif()
set(qt_android_install_dir ${Qt5_Dir})
else()
# Building from source, use the same install prefix
set(qt_android_install_dir ${CMAKE_INSTALL_PREFIX})
endif()
file(TO_NATIVE_PATH "${qt_android_install_dir}" qt_android_install_dir_native)
file(APPEND ${deploy_file}
" \"qt\": \"${qt_android_install_dir_native}\",\n")
# Android SDK path
file(TO_NATIVE_PATH "${ANDROID_SDK_ROOT}" android_sdk_root_native)
file(APPEND ${deploy_file}
" \"sdk\": \"${android_sdk_root_native}\",\n")
# Android SDK Build Tools Revision
file(APPEND ${deploy_file}
" \"sdkBuildToolsRevision\": \"${QT_ANDROID_SDK_BUILD_TOOLS_VERSION}\",\n")
# Android NDK
file(TO_NATIVE_PATH "${ANDROID_NDK}" android_ndk_root_native)
file(APPEND ${deploy_file}
" \"ndk\": \"${android_ndk_root_native}\",\n")
# Setup LLVM toolchain
file(APPEND ${deploy_file}
" \"toolchain-prefix\": \"llvm\",\n")
file(APPEND ${deploy_file}
" \"tool-prefix\": \"llvm\",\n")
file(APPEND ${deploy_file}
" \"useLLVM\": true,\n")
# NDK Toolchain Version
file(APPEND ${deploy_file}
" \"toolchain-version\": \"${CMAKE_ANDROID_NDK_TOOLCHAIN_VERSION}\",\n")
# NDK Host
file(APPEND ${deploy_file}
" \"ndk-host\": \"${ANDROID_NDK_HOST_SYSTEM_NAME}\",\n")
# Architecture
file(APPEND ${deploy_file}
" \"target-architecture\": \"${CMAKE_ANDROID_ARCH_ABI}\",\n")
# deployment dependencies
get_target_property(android_deployment_dependencies
${target} QT_ANDROID_DEPLOYMENT_DEPENDENCIES)
if (android_deployment_dependencies)
list(JOIN android_deployment_dependencies "," android_deployment_dependencies)
file(APPEND ${deploy_file}
" \"deployment-dependencies\": \"${android_deployment_dependencies}\",\n")
endif()
# Extra plugins
get_target_property(android_extra_plugins
${target} QT_ANDROID_EXTRA_PLUGINS)
if (android_extra_plugins)
list(JOIN android_extra_plugins "," android_extra_plugins)
file(APPEND ${deploy_file}
" \"android-extra-plugins\": \"${android_extra_plugins}\",\n")
endif()
# Extra libs
get_target_property(android_extra_libs
${target} QT_ANDROID_EXTRA_LIBS)
if (android_extra_libs)
list(JOIN android_extra_libs "," android_extra_libs)
file(APPEND ${deploy_file}
" \"android-extra-libs\": \"${android_extra_libs}\",\n")
endif()
# package source dir
get_target_property(android_package_source_dir
${target} QT_ANDROID_PACKAGE_SOURCE_DIR)
if (android_package_source_dir)
file(TO_NATIVE_PATH "${android_package_source_dir}" android_package_source_dir_native)
file(APPEND ${deploy_file}
" \"android-package-source-directory\": \"${android_package_source_dir_native}\",\n")
endif()
#TODO: ANDROID_VERSION_NAME, doesn't seem to be used?
#TODO: ANDROID_VERSION_CODE, doesn't seem to be used?
#TODO: QML import path, could be a property? Example below:
#get_target_property(qml_import_path ${target} QT_QML_IMPORT_PATH)
#if (qml_import_path)
# file(TO_NATIVE_PATH "${qml_import_path}" qml_import_path_native)
# file(APPEND ${deploy_file}
# " \"qml-import-path\": \"${qml_import_path_native}\",\n")
#endif()
#TODO: QML root path, could be a property? Example below:
#get_target_property(qml_root_path ${target} QT_QML_ROOT_PATH)
#if(NOT qml_root_path)
# set(qml_root_path "${target_source_dir}")
#endif()
#file(TO_NATIVE_PATH "${qml_root_path}" qml_root_path_native)
#file(APPEND ${deploy_file}
# " \"qml-root-path\": \"${qml_root_path_native}\",\n")
# App binary
file(TO_NATIVE_PATH "${target_binary_dir}/lib${target_output_name}.so" target_binary_dir_native)
file(APPEND ${deploy_file}
" \"application-binary\": \"${target_binary_dir_native}\",\n")
# Lats item in json file
file(APPEND ${deploy_file}
" \"stdcpp-path\": \"${QT_ANDROID_NDK_STDLIB_PATH}\"\n")
# content end
file(APPEND ${deploy_file} "}\n")
set_target_properties(${target}
PROPERTIES
QT_ANDROID_DEPLOYMENT_SETTINGS_FILE ${deploy_file}
)
endfunction()
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