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‎.github/workflows/build.yml‎

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name: Build aapt2
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on:
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push:
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branches:
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- main
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- dev
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workflow_dispatch:
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inputs:
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logLevel:
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description: 'Reason'
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required: false
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default: 'Update package'
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jobs:
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build:
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name: build
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runs-on: ubuntu-latest
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strategy:
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matrix:
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target_arch: [x86_64, x86, arm64-v8a, armeabi-v7a]
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fail-fast: false
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steps:
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- name: Checkout
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uses: actions/checkout@v3
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with:
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submodules: 'true'
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- uses: nttld/setup-ndk@v1
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id: setup-ndk
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with:
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ndk-version: r23c
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add-to-path: false
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- run: ./build.sh ${{ matrix.target_arch }}
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env:
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NDK_TOOLCHAIN: ${{ steps.setup-ndk.outputs.ndk-path }}/toolchains/llvm/prebuilt/linux-x86_64
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- name: Upload artifacts
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uses: actions/upload-artifact@v3
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with:
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name: dist-${{ matrix.target_arch }}
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path: dist

‎.gitignore‎

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bin/
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build/

‎.gitmodules‎

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[submodule "src/expat"]
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shallow = true
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path = src/expat
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url = https://android.googlesource.com/platform/external/expat.git
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[submodule "src/fmtlib"]
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shallow = true
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path = src/fmtlib
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url = https://android.googlesource.com/platform/external/fmtlib.git
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[submodule "src/boringssl"]
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shallow = true
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path = src/boringssl
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url = https://boringssl.googlesource.com/boringssl.git
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[submodule "src/incremental_delivery"]
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shallow = true
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path = src/incremental_delivery
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url = https://android.googlesource.com/platform/system/incremental_delivery
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[submodule "src/libbase"]
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shallow = true
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path = src/libbase
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url = https://android.googlesource.com/platform/system/libbase
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[submodule "src/libpng"]
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shallow = true
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path = src/libpng
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url = https://android.googlesource.com/platform/external/libpng.git
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[submodule "src/pcre"]
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shallow = true
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path = src/pcre
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url = https://android.googlesource.com/platform/external/pcre.git
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[submodule "src/zopfli"]
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shallow = true
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path = src/zopfli
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url = https://android.googlesource.com/platform/external/zopfli
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[submodule "src/protobuf"]
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shallow = true
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path = src/protobuf
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url = https://android.googlesource.com/platform/external/protobuf
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[submodule "src/logging"]
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shallow = true
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path = src/logging
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url = https://android.googlesource.com/platform/system/logging.git
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[submodule "src/selinux"]
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shallow = true
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path = src/selinux
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url = https://android.googlesource.com/platform/external/selinux.git
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[submodule "src/core"]
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shallow = true
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path = src/core
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url = https://android.googlesource.com/platform/system/core.git
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[submodule "src/base"]
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shallow = true
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path = src/base
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url = https://android.googlesource.com/platform/frameworks/base
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[submodule "src/libziparchive"]
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shallow = true
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path = src/libziparchive
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url = https://android.googlesource.com/platform/system/libziparchive

‎CMakeLists.txt‎

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cmake_minimum_required(VERSION 3.14.2)
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project(sdk-tools)
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if(ANDROID_ABI STREQUAL "arm64-v8a" OR ANDROID_ABI STREQUAL "armeabi-v7a")
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enable_language(ASM)
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elseif(ANDROID_ABI STREQUAL "x86_64" OR ANDROID_ABI STREQUAL "x86")
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enable_language(ASM_NASM)
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else()
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message(FATAL_ERROR "Unsupported architecture: ${ANDROID_ABI}")
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endif()
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# set global cflags and cxxflags
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fcolor-diagnostics -fPIC -Wno-attributes -std=gnu11")
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set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fcolor-diagnostics -fPIC -Wno-attributes -std=gnu++2a")
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# static link
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set(CMAKE_EXE_LINKER_FLAGS "-static")
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# platform tools version
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# see the patches/other/platform_tools_version.h
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set(TOOLS_VERSION 33.0.1)
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set(SRC ${PROJECT_SOURCE_DIR}/src)
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# 64-bit off_t for lseek.
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add_definitions(-D_FILE_OFFSET_BITS=64)
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if(NOT DEFINED PROTOC_PATH)
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message(FATAL_ERROR "PROTOC_PATH undefined, please make sure to build and install protoc from the cloned submodule." )
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endif()
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set(PROTOC_COMPILER ${PROTOC_PATH})
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if(NOT EXISTS ${PROTOC_COMPILER})
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unset(PROTOC_PATH CACHE)
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message(FATAL_ERROR "Invalid protoc: ${PROTOC_COMPILER}, please check if the path is correct")
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endif()
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# thrid-party libraries
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add_subdirectory(src/boringssl EXCLUDE_FROM_ALL)
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add_subdirectory(src/fmtlib EXCLUDE_FROM_ALL)
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add_subdirectory(src/pcre EXCLUDE_FROM_ALL)
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add_subdirectory(src/expat EXCLUDE_FROM_ALL)
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add_subdirectory(src/zopfli EXCLUDE_FROM_ALL)
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add_subdirectory(src/protobuf/cmake EXCLUDE_FROM_ALL)
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# building sdk-tools
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add_subdirectory(cmake)

‎build.sh‎

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#!/bin/bash
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# Check for NDK_TOOLCHAIN environment variable and abort if it is not set.
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if [[ -z "${NDK_TOOLCHAIN}" ]]; then
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echo "Please specify the Android NDK environment variable \"NDK_TOOLCHAIN\"."
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exit 1
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fi
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# Prerequisites.
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sudo apt install \
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golang \
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ninja-build \
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autogen \
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autoconf \
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libtool \
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build-essential \
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-y || exit 1
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root="$(pwd)"
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# Install protobuf compiler.
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cd "src/protobuf" || exit 1
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./autogen.sh
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./configure
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make -j"$(nproc)"
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sudo make install
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sudo ldconfig
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# Go back.
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cd "$root" || exit 1
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# Apply patches.
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git apply patches/incremental_delivery.patch --whitespace=fix
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git apply patches/libpng.patch --whitespace=fix
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git apply patches/selinux.patch --whitespace=fix
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git apply patches/protobuf.patch --whitespace=fix
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git apply patches/aapt2.patch --whitespace=fix
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git apply patches/boringssl.patch --whitespace=fix
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# Define all the compilers, libraries and targets.
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api="30"
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architecture=$1
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declare -A compilers=(
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[x86_64]=x86_64-linux-android
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[x86]=i686-linux-android
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[arm64-v8a]=aarch64-linux-android
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[armeabi-v7a]=armv7a-linux-androideabi
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)
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declare -A lib_arch=(
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[x86_64]=x86_64-linux-android
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[x86]=i686-linux-android
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[arm64-v8a]=aarch64-linux-android
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[armeabi-v7a]=arm-linux-androideabi
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)
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declare -A target_abi=(
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[x86_64]=x86_64
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[x86]=x86
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[arm64-v8a]=aarch64
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[armeabi-v7a]=arm
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)
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build_directory="build"
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aapt_binary_path="$root/$build_directory/cmake/aapt2"
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# Build all the target architectures.
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bin_directory="$root/dist/$architecture"
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# switch to cmake build directory.
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[[ -d dir ]] || mkdir -p $build_directory && cd $build_directory || exit 1
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# Define the compiler architecture and compiler.
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compiler_arch="${compilers[$architecture]}"
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c_compiler="$compiler_arch$api-clang"
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cxx_compiler="${c_compiler}++"
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# Copy libc.a to libpthread.a.
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lib_path="$NDK_TOOLCHAIN/sysroot/usr/lib/${lib_arch[$architecture]}/$api/"
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cp -n "$lib_path/libc.a" "$lib_path/libpthread.a"
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# Run make for the target architecture.
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compiler_bin_directory="$NDK_TOOLCHAIN/bin/"
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cmake -GNinja \
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-DCMAKE_C_COMPILER="$compiler_bin_directory$c_compiler" \
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-DCMAKE_CXX_COMPILER="$compiler_bin_directory$cxx_compiler" \
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-DCMAKE_BUILD_WITH_INSTALL_RPATH=True \
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-DCMAKE_BUILD_TYPE=Release \
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-DANDROID_ABI="$architecture" \
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-DTARGET_ABI="${target_abi[$architecture]}" \
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-DPROTOC_PATH="/usr/local/bin/protoc" \
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-DCMAKE_SYSROOT="$NDK_TOOLCHAIN/sysroot" \
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.. || exit 1
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ninja || exit 1
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"$NDK_TOOLCHAIN/bin/llvm-strip" --strip-unneeded "$aapt_binary_path"
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# Create bin directory.
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mkdir -p "$bin_directory"
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# Move aapt2 to bin directory.
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mv "$aapt_binary_path" "$bin_directory"

‎cmake/CMakeLists.txt‎

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include(libbase.cmake)
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include(liblog.cmake)
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include(libcutils.cmake)
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include(libutils.cmake)
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include(libpackagelistparser.cmake)
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include(libandroidfw.cmake)
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include(libincfs.cmake)
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include(libselinux.cmake)
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include(libsepol.cmake)
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include(libpng.cmake)
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include(libsparse.cmake)
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include(libziparchive.cmake)
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include(aapt2.cmake)

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