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CMake-based build with package and AAR building support.
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‎.cmake-format.py‎

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# SPDX-FileCopyrightText: 2022, Collabora, Ltd.
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# SPDX-License-Identifier: CC0-1.0
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with section("format"):
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line_width = 100
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tab_size = 4
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max_prefix_chars = 4
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max_pargs_hwrap = 4
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max_rows_cmdline = 1
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keyword_case = 'upper'
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# Do not reflow comments
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with section("markup"):
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enable_markup = False

‎.gitignore‎

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# SPDX-License-Identifier: CC0-1.0
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# SPDX-FileCopyrightText: 2022, Collabora, Ltd.
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build*/
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install*/
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.vscode/
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CMakeUserPresets.json
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maven_repo/*
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/*.pom
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/*.aar

‎CMakeLists.txt‎

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# Copyright 2021-2022, Collabora, Ltd.
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#
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# SPDX-License-Identifier: BSL-1.0
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cmake_minimum_required(VERSION 3.10)
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project(
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percetto
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VERSION 0.1.6.0
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DESCRIPTION "A C wrapper for the C++ Perfetto tracing library.")
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if("${CMAKE_SOURCE_DIR}" STREQUAL "${CMAKE_CURRENT_SOURCE_DIR}")
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# we are the top level project
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option(BUILD_EXAMPLES "Should we build the examples?" ON)
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else()
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set(BUILD_EXAMPLES OFF)
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endif()
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if(NOT PERFETTO_SDK_PATH)
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if(EXISTS ${CMAKE_CURRENT_SOURCE_DIR}/../perfetto/sdk)
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set(PERFETTO_SDK_PATH
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${CMAKE_CURRENT_SOURCE_DIR}/../perfetto/sdk
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CACHE PATH "The SDK directory of a recent Perfetto release.")
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else()
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message(FATAL_ERROR "Must set PERFETTO_SDK_PATH")
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endif()
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endif()
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# Basic config stuff
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set(CMAKE_POSITION_INDEPENDENT_CODE ON)
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set(CMAKE_CXX_STANDARD 17)
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include(GNUInstallDirs)
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find_package(Threads REQUIRED)
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if(ANDROID)
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find_library(ANDROID_LOG log)
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list(APPEND CMAKE_MODULE_PATH ${CMAKE_CURRENT_SOURCE_DIR}/cmake)
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option(INSTALL_FOR_PREFAB "Should we install for a manually-assembled prefab layout?" OFF)
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if(INSTALL_FOR_PREFAB)
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include(PrefabHelper)
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setup_prefab()
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setup_prefab_module(percetto)
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endif()
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endif()
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# Perfetto SDK
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add_library(perfetto OBJECT ${PERFETTO_SDK_PATH}/perfetto.cc ${PERFETTO_SDK_PATH}/perfetto.h)
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target_link_libraries(perfetto PUBLIC Threads::Threads)
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target_include_directories(perfetto PUBLIC $<BUILD_INTERFACE:${PERFETTO_SDK_PATH}>)
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target_compile_options(perfetto PRIVATE -ffunction-sections -fdata-sections)
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# PerCetto
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add_subdirectory(src)
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# Optional examples
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if(BUILD_EXAMPLES)
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add_subdirectory(examples)
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endif()
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if("${CMAKE_SOURCE_DIR}" STREQUAL "${CMAKE_CURRENT_SOURCE_DIR}")
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# Version usable in both build and install dirs.
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include(CMakePackageConfigHelpers)
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write_basic_package_version_file(
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"${CMAKE_CURRENT_BINARY_DIR}/percetto/percettoConfigVersion.cmake"
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VERSION ${percetto_VERSION}
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COMPATIBILITY AnyNewerVersion)
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# This really minimal config file usable in both build and install dirs
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configure_file(cmake/percettoConfig.cmake
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"${CMAKE_CURRENT_BINARY_DIR}/percetto/percettoConfig.cmake" COPYONLY)
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# Exported targets usable only for build
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export(
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EXPORT percetto
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FILE "${CMAKE_CURRENT_BINARY_DIR}/percetto/percettoTargets.cmake"
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NAMESPACE PerCetto::)
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# Installed targets usable only for installed
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set(PACKAGE_INSTALL_DIR ${CMAKE_INSTALL_LIBDIR}/cmake/percetto)
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install(
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EXPORT percetto
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FILE percettoTargets.cmake
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NAMESPACE PerCetto
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DESTINATION ${PACKAGE_INSTALL_DIR})
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# Install the files we share with the build tree.
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install(
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FILES cmake/percettoConfig.cmake
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"${CMAKE_CURRENT_BINARY_DIR}/percetto/percettoConfigVersion.cmake"
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DESTINATION ${PACKAGE_INSTALL_DIR})
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endif()

‎CMakePresets.json‎

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{
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"version": 3,
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"cmakeMinimumRequired": {
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"major": 3,
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"minor": 21,
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"patch": 0
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},
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"configurePresets": [
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{
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"name": "Android_base",
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"displayName": "Base build for Android",
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"generator": "Ninja",
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"hidden": true,
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"cacheVariables": {
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"ANDROID_PLATFORM": "26",
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"ANDROID_STL": "c++_shared",
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"CMAKE_ANDROID_NDK": "$env{ANDROID_NDK_HOME}",
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"CMAKE_BUILD_TYPE": "RelWithDebInfo"
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},
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"toolchainFile": "$env{ANDROID_NDK_HOME}/build/cmake/android.toolchain.cmake",
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"binaryDir": "${sourceDir}/build/${presetName}",
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"installDir": "${sourceDir}/install/${presetName}"
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},
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{
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"name": "Android_x86",
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"inherits": "Android_base",
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"cacheVariables": {
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"ANDROID_ABI": "x86"
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}
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},
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{
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"name": "Android_x86_64",
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"inherits": "Android_base",
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"cacheVariables": {
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"ANDROID_ABI": "x86_64"
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}
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},
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{
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"name": "Android_armeabi-v7a",
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"inherits": "Android_base",
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"cacheVariables": {
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"ANDROID_ABI": "armeabi-v7a"
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}
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},
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{
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"name": "Android_arm64-v8a",
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"inherits": "Android_base",
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"cacheVariables": {
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"ANDROID_ABI": "arm64-v8a"
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}
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},
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{
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"name": "Android_aar_base",
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"inherits": "Android_base",
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"cacheVariables": {
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"INSTALL_FOR_PREFAB": "ON"
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},
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"installDir": "install/percetto",
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"hidden": true
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},
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{
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"name": "Android_x86_64_aar",
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"inherits": "Android_aar_base",
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"cacheVariables": {
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"ANDROID_ABI": "x86_64"
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}
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},
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{
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"name": "Android_armeabi-v7a_aar",
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"inherits": "Android_aar_base",
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"cacheVariables": {
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"ANDROID_ABI": "armeabi-v7a"
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}
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},
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{
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"name": "Android_arm64-v8a_aar",
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"inherits": "Android_aar_base",
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"cacheVariables": {
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"ANDROID_ABI": "arm64-v8a"
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}
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},
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{
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"name": "Android_x86_aar",
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"inherits": "Android_aar_base",
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"cacheVariables": {
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"ANDROID_ABI": "x86"
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}
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},
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{
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"name": "Linux_Ninja",
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"generator": "Ninja",
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"binaryDir": "${sourceDir}/build",
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"installDir": "${sourceDir}/install"
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},
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{
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"name": "Linux_Ninja_Clang",
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"inherits": "Linux_Ninja",
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"cacheVariables": {
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"CMAKE_C_COMPILER": "/usr/bin/clang",
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"CMAKE_CXX_COMPILER": "/usr/bin/clang++"
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}
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}
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],
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"buildPresets": [
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{
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"name": "Android_aar_base",
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"hidden": true,
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"targets": [
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"all",
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"install"
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],
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"verbose": true
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},
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{
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"name": "Android_x86_aar",
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"inherits": "Android_aar_base",
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"configurePreset": "Android_x86_aar"
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},
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{
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"name": "Android_x86_64_aar",
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"inherits": "Android_aar_base",
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"configurePreset": "Android_x86_64_aar"
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},
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{
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"name": "Android_armeabi-v7a_aar",
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"inherits": "Android_aar_base",
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"configurePreset": "Android_armeabi-v7a_aar"
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},
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{
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"name": "Android_arm64-v8a_aar",
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"inherits": "Android_aar_base",
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"configurePreset": "Android_arm64-v8a_aar"
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}
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]
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}

‎CMakePresets.json.license‎

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SPDX-FileCopyrightText: 2022, Collabora, Ltd.
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SPDX-License-Identifier: CC0-1.0

‎build-aar.sh‎

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#!/usr/bin/env bash
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# Copyright 2021-2022, Collabora, Ltd.
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#
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# SPDX-License-Identifier: BSL-1.0
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set -e
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# shellcheck disable=SC2086
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ROOT=$(cd "$(dirname $0)" && pwd)
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PROJECT=percetto
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DEFAULT_NDK_VERSION=21.4.7075529
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ANDROID_NDK_HOME=${ANDROID_NDK_HOME:-${HOME}/Android/Sdk/ndk/${DEFAULT_NDK_VERSION}}
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if [ ! -f "${ANDROID_NDK_HOME}/build/cmake/android.toolchain.cmake" ]; then
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echo "Please set ANDROID_NDK_HOME to a valid, installed NDK!"
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exit 1
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fi
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export ANDROID_NDK_HOME
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BUILD_DIR=${BUILD_DIR:-${ROOT}/build}
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INSTALL_DIR=${INSTALL_DIR:-${ROOT}/install}
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GENERATION_DIR="${BUILD_DIR}/Android_x86_aar/src"
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rm -f "${GENERATION_DIR}/*.pom" || true
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rm -rf "${INSTALL_DIR}"
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for arch in x86 x86_64 armeabi-v7a arm64-v8a; do
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cmake --preset Android_${arch}_aar
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cmake --build --preset Android_${arch}_aar
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done
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# find latest pom
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DECORATED=$(cd "${GENERATION_DIR}" && find . -maxdepth 1 -name "${PROJECT}*.pom" | sort | tail -n 1)
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# strip leading ./
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DECORATED=${DECORATED#./}
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echo "DECORATED ${DECORATED}"
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DECORATED_STEM=${DECORATED%.pom}
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echo "DECORATED_STEM ${DECORATED_STEM}"
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VERSION=${DECORATED_STEM#${PROJECT}-}
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echo "VERSION ${VERSION}"
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DIR=$(pwd)/maven_repo/io/github/olvaffe/deps/${PROJECT}/${VERSION}
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mkdir -p "${DIR}"
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cp "${GENERATION_DIR}/${DECORATED}" "${ROOT}"
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cp "${GENERATION_DIR}/${DECORATED}" "${DIR}"
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(
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cd "$INSTALL_DIR/${PROJECT}"
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7za a -r ../${PROJECT}.zip ./*
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mv ../${PROJECT}.zip "$ROOT/${DECORATED_STEM}.aar"
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cp "$ROOT/${DECORATED_STEM}.aar" "$DIR/${DECORATED_STEM}.aar"
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)

‎cmake/PrefabHelper.cmake‎

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# Copyright 2020-2021, Collabora, Ltd.
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#
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# SPDX-License-Identifier: BSL-1.0
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#
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# Helpers for creating an android "prefab" archive
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# We must run the following at "include" time, not at function call time,
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# to find the path to this module rather than the path to a calling list file
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get_filename_component(_prefab_mod_dir ${CMAKE_CURRENT_LIST_FILE} PATH)
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macro(setup_prefab)
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set(PREFAB_INSTALL_DIR prefab)
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unset(NDK_MAJOR_VERSION)
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if(CMAKE_ANDROID_NDK)
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file(STRINGS "${CMAKE_ANDROID_NDK}/source.properties" NDK_PROPERTIES)
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foreach(_line ${NDK_PROPERTIES})
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if("${_line}" MATCHES
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"Pkg.Revision = ([0-9]+)[.]([0-9]+)[.]([0-9]+)")
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set(NDK_MAJOR_VERSION ${CMAKE_MATCH_1})
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endif()
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endforeach()
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else()
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message(FATAL_ERROR "Please set CMAKE_ANDROID_NDK to your NDK root!")
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endif()
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if(NDK_MAJOR_VERSION)
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message(STATUS "Building using NDK major version ${NDK_MAJOR_VERSION}")
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else()
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message(
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FATAL_ERROR
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"Could not parse the major version from ${CMAKE_ANDROID_NDK}/source.properties"
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)
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endif()
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configure_file(${_prefab_mod_dir}/prefab.json
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${CMAKE_CURRENT_BINARY_DIR}/prefab.json @ONLY)
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install(
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FILES ${CMAKE_CURRENT_BINARY_DIR}/prefab.json
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DESTINATION ${PREFAB_INSTALL_DIR}
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COMPONENT Prefab)
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endmacro()
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macro(setup_prefab_module MODULE_NAME)
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set(PREFAB_MODULE_INSTALL_DIR ${PREFAB_INSTALL_DIR}/modules/${MODULE_NAME})
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set(CMAKE_INSTALL_LIBDIR
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${PREFAB_MODULE_INSTALL_DIR}/libs/android.${ANDROID_ABI})
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set(CMAKE_INSTALL_BINDIR ${CMAKE_INSTALL_LIBDIR})
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set(CMAKE_INSTALL_INCLUDEDIR ${PREFAB_MODULE_INSTALL_DIR}/${CMAKE_INSTALL_INCLUDEDIR})
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configure_file(${_prefab_mod_dir}/abi.json
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${CMAKE_CURRENT_BINARY_DIR}/abi.json @ONLY)
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install(
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FILES ${CMAKE_CURRENT_BINARY_DIR}/abi.json
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DESTINATION ${CMAKE_INSTALL_LIBDIR}
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COMPONENT Prefab)
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install(
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FILES ${_prefab_mod_dir}/module.json
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DESTINATION ${PREFAB_MODULE_INSTALL_DIR}
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COMPONENT Prefab)
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endmacro()

‎cmake/abi.json‎

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{
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"abi": "@ANDROID_ABI@",
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"api": @CMAKE_SYSTEM_VERSION@,
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"ndk": @NDK_MAJOR_VERSION@,
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"stl": "@ANDROID_STL@"
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}

‎cmake/abi.json.license‎

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Copyright 2020-2021, Collabora, Ltd.
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SPDX-License-Identifier: BSL-1.0

‎cmake/module.json‎

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{
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"export_libraries": [],
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"android": {
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"export_libraries": null,
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"library_name": null
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}
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}

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