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-rw-r--r--cmake/QtAutoDetect.cmake281
1 files changed, 4 insertions, 277 deletions
diff --git a/cmake/QtAutoDetect.cmake b/cmake/QtAutoDetect.cmake
index 6e9b006d77..464e8e900b 100644
--- a/cmake/QtAutoDetect.cmake
+++ b/cmake/QtAutoDetect.cmake
@@ -1,278 +1,5 @@
-#
-# Collection of auto detection routines to improve the user experience when
-# building Qt from source.
-#
-# Make sure to not run detection when building standalone tests, because the detection was already
-# done when initially configuring qtbase.
+# Copyright (C) 2022 The Qt Company Ltd.
+# SPDX-License-Identifier: BSD-3-Clause
-function(qt_auto_detect_android)
- if(DEFINED CMAKE_TOOLCHAIN_FILE AND NOT DEFINED QT_AUTODETECT_ANDROID)
-
- file(READ ${CMAKE_TOOLCHAIN_FILE} toolchain_file_content OFFSET 0 LIMIT 80)
- string(FIND ${toolchain_file_content} "The Android Open Source Project" find_result REVERSE)
- if (NOT ${find_result} EQUAL -1)
- set(android_detected TRUE)
- else()
- set(android_detected FALSE)
- endif()
-
- if(android_detected)
- message(STATUS "Android toolchain file detected, checking configuration defaults...")
- if(NOT DEFINED ANDROID_NATIVE_API_LEVEL)
- message(STATUS "ANDROID_NATIVE_API_LEVEL was not specified, using API level 21 as default")
- set(ANDROID_NATIVE_API_LEVEL 21 CACHE STRING "")
- endif()
- if(NOT DEFINED ANDROID_STL)
- set(ANDROID_STL "c++_shared" CACHE STRING "")
- endif()
- endif()
- set(QT_AUTODETECT_ANDROID ${android_detected} CACHE STRING "")
- elseif (QT_AUTODETECT_ANDROID)
- message(STATUS "Android toolchain file detected")
- endif()
-endfunction()
-
-function(qt_auto_detect_vpckg)
- if(DEFINED ENV{VCPKG_ROOT})
- set(vcpkg_toolchain_file "$ENV{VCPKG_ROOT}/scripts/buildsystems/vcpkg.cmake")
- get_filename_component(vcpkg_toolchain_file "${vcpkg_toolchain_file}" ABSOLUTE)
-
- if(DEFINED CMAKE_TOOLCHAIN_FILE)
- get_filename_component(supplied_toolchain_file "${CMAKE_TOOLCHAIN_FILE}" ABSOLUTE)
- if(NOT supplied_toolchain_file STREQUAL vcpkg_toolchain_file)
- set(VCPKG_CHAINLOAD_TOOLCHAIN_FILE "${CMAKE_TOOLCHAIN_FILE}" CACHE STRING "")
- endif()
- unset(supplied_toolchain_file)
- endif()
- set(CMAKE_TOOLCHAIN_FILE "${vcpkg_toolchain_file}" CACHE STRING "" FORCE)
- message(STATUS "Using vcpkg from $ENV{VCPKG_ROOT}")
- if(DEFINED ENV{VCPKG_DEFAULT_TRIPLET} AND NOT DEFINED VCPKG_TARGET_TRIPLET)
- set(VCPKG_TARGET_TRIPLET "$ENV{VCPKG_DEFAULT_TRIPLET}" CACHE STRING "")
- message(STATUS "Using vcpkg triplet ${VCPKG_TARGET_TRIPLET}")
- endif()
- unset(vcpkg_toolchain_file)
- message(STATUS "CMAKE_TOOLCHAIN_FILE is: ${CMAKE_TOOLCHAIN_FILE}")
- if(DEFINED VCPKG_CHAINLOAD_TOOLCHAIN_FILE)
- message(STATUS "VCPKG_CHAINLOAD_TOOLCHAIN_FILE is: ${VCPKG_CHAINLOAD_TOOLCHAIN_FILE}")
- endif()
- endif()
-endfunction()
-
-function(qt_auto_detect_ios)
- if(CMAKE_SYSTEM_NAME STREQUAL iOS
- OR CMAKE_SYSTEM_NAME STREQUAL watchOS
- OR CMAKE_SYSTEM_NAME STREQUAL tvOS)
- message(STATUS "Using internal CMake ${CMAKE_SYSTEM_NAME} toolchain file.")
-
- # The QT_UIKIT_SDK check simulates the input.sdk condition for simulator_and_device in
- # configure.json.
- # If the variable is explicitly provided, assume simulator_and_device to be off.
- if(QT_UIKIT_SDK)
- set(simulator_and_device OFF)
- elseif(QT_FORCE_SIMULATOR_AND_DEVICE)
- # TODO: Once we get simulator_and_device support in upstream CMake, only then allow
- # usage of simulator_and_device without forcing.
- set(simulator_and_device ON)
- else()
- # If QT_UIKIT_SDK is not provided, default to simulator.
- set(simulator_and_device OFF)
- set(QT_UIKIT_SDK "iphonesimulator" CACHE "STRING" "Chosen uikit SDK.")
- endif()
-
- message(STATUS "simulator_and_device set to: \"${simulator_and_device}\".")
-
- # Choose relevant architectures.
- # Using a non xcode generator requires explicit setting of the
- # architectures, otherwise compilation fails with unknown defines.
- if(CMAKE_SYSTEM_NAME STREQUAL iOS)
- if(simulator_and_device)
- set(osx_architectures "arm64;x86_64")
- elseif(QT_UIKIT_SDK STREQUAL "iphoneos")
- set(osx_architectures "arm64")
- elseif(QT_UIKIT_SDK STREQUAL "iphonesimulator")
- set(osx_architectures "x86_64")
- else()
- if(NOT DEFINED QT_UIKIT_SDK)
- message(FATAL_ERROR "Please proviude a value for -DQT_UIKIT_SDK."
- " Possible values: iphoneos, iphonesimulator.")
- else()
- message(FATAL_ERROR
- "Unknown SDK argument given to QT_UIKIT_SDK: ${QT_UIKIT_SDK}.")
- endif()
- endif()
- elseif(CMAKE_SYSTEM_NAME STREQUAL tvOS)
- if(simulator_and_device)
- set(osx_architectures "arm64;x86_64")
- elseif(QT_UIKIT_SDK STREQUAL "appletvos")
- set(osx_architectures "arm64")
- elseif(QT_UIKIT_SDK STREQUAL "appletvsimulator")
- set(osx_architectures "x86_64")
- else()
- if(NOT DEFINED QT_UIKIT_SDK)
- message(FATAL_ERROR "Please proviude a value for -DQT_UIKIT_SDK."
- " Possible values: appletvos, appletvsimulator.")
- else()
- message(FATAL_ERROR
- "Unknown SDK argument given to QT_UIKIT_SDK: ${QT_UIKIT_SDK}.")
- endif()
- endif()
- elseif(CMAKE_SYSTEM_NAME STREQUAL watchOS)
- if(simulator_and_device)
- set(osx_architectures "armv7k;i386")
- elseif(QT_UIKIT_SDK STREQUAL "watchos")
- set(osx_architectures "armv7k")
- elseif(QT_UIKIT_SDK STREQUAL "watchsimulator")
- set(osx_architectures "i386")
- else()
- if(NOT DEFINED QT_UIKIT_SDK)
- message(FATAL_ERROR "Please proviude a value for -DQT_UIKIT_SDK."
- " Possible values: watchos, watchsimulator.")
- else()
- message(FATAL_ERROR
- "Unknown SDK argument given to QT_UIKIT_SDK: ${QT_UIKIT_SDK}.")
- endif()
- endif()
- endif()
-
- # For non simulator_and_device builds, we need to explicitly set the SYSROOT aka the sdk
- # value.
- if(QT_UIKIT_SDK)
- set(CMAKE_OSX_SYSROOT "${QT_UIKIT_SDK}" CACHE STRING "")
- endif()
- message(STATUS "CMAKE_OSX_SYSROOT set to: \"${CMAKE_OSX_SYSROOT}\".")
-
- message(STATUS "CMAKE_OSX_ARCHITECTURES set to: \"${osx_architectures}\".")
- set(CMAKE_OSX_ARCHITECTURES "${osx_architectures}" CACHE STRING "")
-
- if(NOT DEFINED BUILD_SHARED_LIBS)
- set(BUILD_SHARED_LIBS OFF CACHE BOOL "Build Qt statically or dynamically" FORCE)
- endif()
-
- if(BUILD_SHARED_LIBS)
- message(FATAL_ERROR
- "Building Qt for ${CMAKE_SYSTEM_NAME} as shared libraries is not supported.")
- endif()
-
- # Disable qt rpaths for iOS, just like mkspecs/common/uikit.conf does, due to those
- # bundles not being able to use paths outside the app bundle. Not sure this is strictly
- # needed though.
- set(QT_DISABLE_RPATH "OFF" CACHE BOOL "Disable automatic Qt rpath handling." FORCE)
- endif()
-endfunction()
-
-function(qt_auto_detect_cmake_config)
- if(CMAKE_CONFIGURATION_TYPES)
- # Allow users to specify this option.
- if(NOT QT_MULTI_CONFIG_FIRST_CONFIG)
- list(GET CMAKE_CONFIGURATION_TYPES 0 first_config_type)
- set(QT_MULTI_CONFIG_FIRST_CONFIG "${first_config_type}")
- set(QT_MULTI_CONFIG_FIRST_CONFIG "${first_config_type}" PARENT_SCOPE)
- endif()
-
- set(CMAKE_TRY_COMPILE_CONFIGURATION "${QT_MULTI_CONFIG_FIRST_CONFIG}" PARENT_SCOPE)
- if(CMAKE_GENERATOR STREQUAL "Ninja Multi-Config")
- # Create build-<config>.ninja files for all specified configurations.
- set(CMAKE_CROSS_CONFIGS "all" CACHE STRING "")
-
- # The configuration that will be considered the main one (for example when
- # configuring standalone tests with a single-config generator like Ninja).
- set(CMAKE_DEFAULT_BUILD_TYPE "${QT_MULTI_CONFIG_FIRST_CONFIG}" CACHE STRING "")
-
- # By default when ninja is called without parameters, it will build all configurations.
- set(CMAKE_DEFAULT_CONFIGS "all" CACHE STRING "")
- endif()
- endif()
-endfunction()
-
-function(qt_auto_detect_cyclic_toolchain)
- if(CMAKE_TOOLCHAIN_FILE AND CMAKE_TOOLCHAIN_FILE MATCHES "/qt.toolchain.cmake$")
- message(FATAL_ERROR
- "Woah there! You can't use the Qt generated qt.toolchain.cmake file to configure "
- "qtbase, because that will create a toolchain file that includes itself!\n"
- "Did you accidentally use qt-cmake to configure qtbase? Make sure to remove the "
- "CMakeCache.txt file, and configure qtbase with 'cmake' instead of 'qt-cmake'.")
- endif()
-endfunction()
-
-function(qt_internal_get_darwin_sdk_version out_var)
- if(APPLE)
- if(IOS)
- set(sdk_name "iphoneos")
- elseif(TVOS)
- set(sdk_name "appletvos")
- elseif(WATCHOS)
- set(sdk_name "watchos")
- else()
- # Default to macOS
- set(sdk_name "macosx")
- endif()
- set(xcrun_version_arg "--show-sdk-version")
- execute_process(COMMAND /usr/bin/xcrun --sdk ${sdk_name} ${xcrun_version_arg}
- OUTPUT_VARIABLE sdk_version
- ERROR_VARIABLE xcrun_error)
- if(NOT sdk_version)
- message(FATAL_ERROR
- "Can't determine darwin ${sdk_name} SDK version. Error: ${xcrun_error}")
- endif()
- string(STRIP "${sdk_version}" sdk_version)
- set(${out_var} "${sdk_version}" PARENT_SCOPE)
- endif()
-endfunction()
-
-function(qt_auto_detect_darwin)
- if(APPLE)
- # If no CMAKE_OSX_DEPLOYMENT_TARGET is provided, default to a value that Qt defines.
- # This replicates the behavior in mkspecs/common/macx.conf where
- # QMAKE_MACOSX_DEPLOYMENT_TARGET is set.
- set(description
- "Minimum OS X version to target for deployment (at runtime); newer APIs weak linked. Set to empty string for default value.")
- if(NOT CMAKE_OSX_DEPLOYMENT_TARGET)
- if(NOT CMAKE_SYSTEM_NAME)
- # macOS
- set(version "10.14")
- elseif(CMAKE_SYSTEM_NAME STREQUAL iOS)
- set(version "12.0")
- elseif(CMAKE_SYSTEM_NAME STREQUAL watchOS)
- set(version "5.0")
- elseif(CMAKE_SYSTEM_NAME STREQUAL tvOS)
- set(version "12.0")
- endif()
- if(version)
- set(CMAKE_OSX_DEPLOYMENT_TARGET "${version}" CACHE STRING "${description}")
- endif()
- endif()
- if(CMAKE_OSX_DEPLOYMENT_TARGET)
- message(STATUS
- "CMAKE_OSX_DEPLOYMENT_TARGET set to: \"${CMAKE_OSX_DEPLOYMENT_TARGET}\".")
- endif()
-
- qt_internal_get_darwin_sdk_version(darwin_sdk_version)
- set(QT_MAC_SDK_VERSION "${darwin_sdk_version}" CACHE STRING "Darwin SDK version.")
- message(STATUS
- "QT_MAC_SDK_VERSION set to: \"${QT_MAC_SDK_VERSION}\".")
- endif()
-endfunction()
-
-function(qt_auto_detect_pch)
- set(default_value "ON")
-
- if(CMAKE_OSX_ARCHITECTURES AND CMAKE_VERSION VERSION_LESS 3.18.0 AND NOT QT_FORCE_PCH)
- list(LENGTH CMAKE_OSX_ARCHITECTURES arch_count)
- # CMake versions lower than 3.18 don't support PCH when multiple architectures are set.
- # This is the case for simulator_and_device builds.
- if(arch_count GREATER 1)
- set(default_value "OFF")
- message(WARNING "PCH support disabled due to usage of multiple architectures.")
- endif()
- endif()
-
- option(BUILD_WITH_PCH "Build Qt using precompiled headers?" "${default_value}")
-endfunction()
-
-qt_auto_detect_cyclic_toolchain()
-qt_auto_detect_cmake_config()
-qt_auto_detect_darwin()
-qt_auto_detect_ios()
-qt_auto_detect_android()
-qt_auto_detect_vpckg()
-qt_auto_detect_pch()
+include("${CMAKE_CURRENT_LIST_DIR}/QtAutoDetectHelpers.cmake")
+qt_internal_setup_autodetect()