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With these fixes, mozjs compiles successfully for the target 'aarch64-linux-ohos'. This also requires using a custom build of rustc with support for this target, and clang 10 from the ohos-sdk native toolchain. Additional wrappers are needed for the clang wrappers to be invoked with the sysroot from the SDK as well. Wrappers: https://doc.rust-lang.org/nightly/rustc/platform-support/openharmony.html ohos-sdk with clang toolchain: https://gitee.com/openharmony/docs/blob/master/en/release-notes/OpenHarmony-v3.2.2-release.md prebuilt rustc: clone https://gitee.com/openharmony/build.git and run the prebuilts_download.sh
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| Original file line number | Diff line number | Diff line change |
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| #!/bin/env python3 | ||
| # This Source Code Form is subject to the terms of the Mozilla Public | ||
| # License, v. 2.0. If a copy of the MPL was not distributed with this | ||
| # file, You can obtain one at http://mozilla.org/MPL/2.0/. | ||
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| import os | ||
| import platform | ||
| import shutil | ||
| import subprocess | ||
| import sys | ||
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| from typing import Dict, Optional | ||
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| SUPPORTED_NDK_VERSION = '25' | ||
| API_LEVEL = '30' | ||
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| def get_host_string() -> str: | ||
| os_type = platform.system().lower() | ||
| if os_type not in ["linux", "darwin"]: | ||
| raise Exception("Android cross builds are only supported on Linux and macOS.") | ||
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| cpu_type = platform.machine().lower() | ||
| host_suffix = "unknown" | ||
| if cpu_type in ["i386", "i486", "i686", "i768", "x86"]: | ||
| host_suffix = "x86" | ||
| elif cpu_type in ["x86_64", "x86-64", "x64", "amd64"]: | ||
| host_suffix = "x86_64" | ||
| return os_type + "-" + host_suffix | ||
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| def check_output(*args, **kwargs) -> str: | ||
| return subprocess.check_output(*args, **kwargs).decode("utf-8").strip() | ||
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| def get_target_from_args() -> Optional[str]: | ||
| for arg in sys.argv: | ||
| if arg.startswith("--target="): | ||
| return arg.replace("--target=", "") | ||
| return None | ||
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| def set_toolchain_binaries_in_env(toolchain_dir: str, env: Dict[str, str]): | ||
| cc = os.path.join(toolchain_dir, "bin", "aarch64-unknown-linux-ohos-clang.sh") | ||
| cxx = os.path.join(toolchain_dir, "bin", "aarch64-unknown-linux-ohos-clang++.sh") | ||
| ar = check_output([cc, "--print-prog-name=llvm-ar"]) | ||
| objcopy = check_output([cc, "--print-prog-name=llvm-objcopy"]) | ||
| ranlib = check_output([cc, "--print-prog-name=llvm-ranlib"]) | ||
| strip = check_output([cc, "--print-prog-name=llvm-strip"]) | ||
| yasm = check_output([cc, "--print-prog-name=yasm"]) | ||
| host_cc = env.get('HOST_CC') or shutil.which("clang") or shutil.which("gcc") | ||
| host_cxx = env.get('HOST_CXX') or shutil.which("clang++") or shutil.which("g++") | ||
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| assert(host_cc) | ||
| assert(host_cxx) | ||
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| env["AR"] = ar | ||
| env["CC"] = cc | ||
| env["CPP"] = f"{cc} -E" | ||
| env["CXX"] = cxx | ||
| env["HOST_CC"] = host_cc | ||
| env["HOST_CXX"] = host_cxx | ||
| env["OBJCOPY"] = objcopy | ||
| env["RANLIB"] = ranlib | ||
| env["STRIP"] = strip | ||
| env["YASM"] = yasm | ||
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| def create_environment_for_build() -> Dict[str, str]: | ||
| env = os.environ.copy() | ||
| if "OHOS_NDK" not in env: | ||
| raise Exception("Please set the OHOS_NDK_HOME environment variable.") | ||
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| ndk_dir = env["OHOS_NDK"] | ||
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| # Check if the NDK version is 21 | ||
| # if not os.path.isfile(os.path.join(ndk_home_dir, 'source.properties')): | ||
| # raise Exception( | ||
| # "ANDROID_NDK should have file `source.properties`.\n" + | ||
| # "The environment variable ANDROID_NDK_HOME may be set at a wrong path." | ||
| # ) | ||
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| # with open(os.path.join(ndk_home_dir, 'source.properties'), encoding="utf8") as ndk_properties: | ||
| # version_found = ndk_properties.readlines()[1].split(' = ')[1].split('.')[0] | ||
| # if version_found != SUPPORTED_NDK_VERSION: | ||
| # raise Exception( | ||
| # "Servo and dependencies currently only support NDK version " + | ||
| # f"{SUPPORTED_NDK_VERSION}. Found {version_found}" | ||
| # ) | ||
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| # Add the toolchain to the path. | ||
| host_string = get_host_string() | ||
| toolchain_dir = os.path.join(ndk_dir, "llvm") | ||
| sysroot_dir = os.path.join(ndk_dir, "sysroot") | ||
| #env['PATH'] = os.pathsep.join([os.path.join(toolchain_dir, "bin"), env["PATH"]]) | ||
| ##bg_cxx_include_dir = os.path.join(ndk_dir, "llvm", "include", "libcxx-ohos", "include", "c++", "v1") | ||
| ##env["BINDGEN_EXTRA_CLANG_ARGS"] = "--sysroot " + sysroot_dir + " -I " + os.path.join(sysroot_dir, "usr", "include", "aarch64-linux-ohos") + " -I " + bg_cxx_include_dir | ||
| env["LLVM_CONFIG_PATH"] = os.path.join(toolchain_dir, "bin", "llvm-config") | ||
| set_toolchain_binaries_in_env(toolchain_dir, env) | ||
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| return env | ||
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| if __name__ == "__main__": | ||
| completed_process = subprocess.run(sys.argv[1:], env=create_environment_for_build()) | ||
| sys.exit(completed_process.returncode) |