1 files changed, 73 insertions, 0 deletions
diff --git a/tools/cross_compile_android/templates/toolchain_default.tmpl.cmake b/tools/cross_compile_android/templates/toolchain_default.tmpl.cmake
new file mode 100644
index 000000000..3c9752f43
--- /dev/null
+++ b/tools/cross_compile_android/templates/toolchain_default.tmpl.cmake
@@ -0,0 +1,73 @@
+# Copyright (C) 2023 The Qt Company Ltd.
+# SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
+
+# toolchain file to cross compile Qt for Python wheels for Android
+cmake_minimum_required(VERSION 3.23)
+include_guard(GLOBAL)
+set(CMAKE_SYSTEM_NAME Android)
+{% if plat_name == "armv7a" -%}
+set(CMAKE_SYSTEM_PROCESSOR armv7-a)
+{% else %}
+set(CMAKE_SYSTEM_PROCESSOR {{ plat_name }})
+{% endif %}
+set(CMAKE_ANDROID_API {{ api_level }})
+set(CMAKE_ANDROID_NDK {{ ndk_path }})
+set(CMAKE_ANDROID_ARCH_ABI {{ android_abi }})
+set(CMAKE_ANDROID_NDK_TOOLCHAIN_VERSION clang)
+set(CMAKE_ANDROID_STL_TYPE c++_shared)
+if(NOT DEFINED ANDROID_PLATFORM AND NOT DEFINED ANDROID_NATIVE_API_LEVEL)
+    set(ANDROID_PLATFORM "android-{{ api_level }}" CACHE STRING "")
+endif()
+set(ANDROID_SDK_ROOT {{ sdk_path }})
+{% if plat_name == "armv7a" -%}
+set(_TARGET_NAME_ENDING "eabi{{ api_level }}")
+{% else %}
+set(_TARGET_NAME_ENDING "{{ api_level }}")
+{% endif %}
+set(QT_COMPILER_FLAGS "--target={{ plat_name }}-linux-android${_TARGET_NAME_ENDING} \
+                       -fomit-frame-pointer \
+                       -march={{ gcc_march }} \
+                       -msse4.2 \
+                       -mpopcnt \
+                       -m{{ plat_bits }} \
+                       -fPIC \
+                       -I{{ target_python_path }}/include/python{{ python_version }} \
+                       -Wno-unused-command-line-argument")
+set(QT_COMPILER_FLAGS_RELEASE "-O2 -pipe")
+
+# FIXME
+# https://gitlab.kitware.com/cmake/cmake/-/issues/23670
+# The CMake Android toolchain does not allow RPATHS. Hence CMAKE_INSTALL_RPATH does not work.
+# Currently the linker flags are set directly as -Wl,-rpath='$ORIGIN' -Wl,-rpath='$ORIGIN/Qt/lib'
+# set(CMAKE_BUILD_WITH_INSTALL_RPATH TRUE)
+# set(CMAKE_INSTALL_RPATH "$ORIGIN")
+
+set(QT_LINKER_FLAGS "-Wl,-O1 -Wl,--hash-style=gnu -Wl,-rpath='$ORIGIN' -Wl,-rpath='$ORIGIN/Qt/lib' \
+                     -Wl,--as-needed -L{{ qt_install_path }}/android_{{ qt_plat_name }}/lib \
+                     -L{{ qt_install_path }}/android_{{ qt_plat_name }}/plugins/platforms \
+                     -L{{ target_python_path }}/lib \
+                     -lpython{{ python_version }}")
+set(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER)
+set(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY)
+set(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY)
+set(CMAKE_FIND_ROOT_PATH_MODE_PACKAGE ONLY)
+
+add_compile_definitions(ANDROID)
+
+include(CMakeInitializeConfigs)
+function(cmake_initialize_per_config_variable _PREFIX _DOCSTRING)
+    if (_PREFIX MATCHES "CMAKE_(C|CXX|ASM)_FLAGS")
+        set(CMAKE_${CMAKE_MATCH_1}_FLAGS_INIT "${QT_COMPILER_FLAGS}")
+        foreach (config DEBUG RELEASE MINSIZEREL RELWITHDEBINFO)
+        if (DEFINED QT_COMPILER_FLAGS_${config})
+            set(CMAKE_${CMAKE_MATCH_1}_FLAGS_${config}_INIT "${QT_COMPILER_FLAGS_${config}}")
+        endif()
+        endforeach()
+    endif()
+    if (_PREFIX MATCHES "CMAKE_(SHARED|MODULE|EXE)_LINKER_FLAGS")
+        foreach (config SHARED MODULE EXE)
+        set(CMAKE_${config}_LINKER_FLAGS_INIT "${QT_LINKER_FLAGS}")
+        endforeach()
+    endif()
+    _cmake_initialize_per_config_variable(${ARGV})
+endfunction()