为 Android (Flutter) 构建 Rust 项目时出错：未找到用于 OpenSSL 编译的arm-linux-androideabi-ranlib

问题描述 投票：0回答：2

我正在开发一个使用 Flutter 和 Rust 的项目，并且我正在尝试为 Android 构建它。但是，我遇到了与未找到 

arm-linux-androideabi-ranlib
相关的错误。这是我收到的错误消息：

--- stderr
/home/user/Android/Sdk/ndk/25.2.9519653/toolchains/llvm/prebuilt/linux-x86_64/bin/llvm-ar: warning: creating libcrypto.a
/bin/sh: 1: arm-linux-androideabi-ranlib: not found
/home/user/Android/Sdk/ndk/25.2.9519653/toolchains/llvm/prebuilt/linux-x86_64/bin/llvm-ar: warning: creating libssl.a
/bin/sh: 1: arm-linux-androideabi-ranlib: not found
/bin/sh: 5: arm-linux-androideabi-ranlib: not found
make: *** [Makefile:313: install_dev] Error 127
thread 'main' panicked at '


Error installing OpenSSL:
    Command: cd "/home/user/IdeaProjects/my_project/rust/target/armv7-linux-androideabi/debug/build/openssl-sys-c3d36b893b4843b2/out/openssl-build/build/src" && "make" "install_dev"
    Exit status: exit status: 2

我检查了 NDK 目录，似乎存在所需的工具 ，但不完全是文件 

arm-linux-androideabi-ranlib
。这是工具链目录的 ls 输出：

prebuilt/linux-x86_64/bin via 🐍 v2.7.18 took 6s 
❯ pwd
/home/user/Android/Sdk/ndk/25.2.9519653/toolchains/llvm/prebuilt/linux-x86_64/bi
prebuilt/linux-x86_64/bin via 🐍 v2.7.18 
❯ ls
aarch64-linux-android21-clang       i686-linux-android29-clang++
aarch64-linux-android21-clang++     i686-linux-android30-clang
aarch64-linux-android22-clang       i686-linux-android30-clang++
aarch64-linux-android22-clang++     i686-linux-android31-clang
aarch64-linux-android23-clang       i686-linux-android31-clang++
aarch64-linux-android23-clang++     i686-linux-android32-clang
aarch64-linux-android24-clang       i686-linux-android32-clang++
aarch64-linux-android24-clang++     i686-linux-android33-clang
aarch64-linux-android26-clang       i686-linux-android33-clang++
aarch64-linux-android26-clang++     ld
aarch64-linux-android27-clang       ld64.lld
aarch64-linux-android27-clang++     ld.lld
aarch64-linux-android28-clang       lld
aarch64-linux-android28-clang++     lldb
aarch64-linux-android29-clang       lldb-argdumper
aarch64-linux-android29-clang++     lldb.sh
aarch64-linux-android30-clang       lld-link
aarch64-linux-android30-clang++     llvm-addr2line
aarch64-linux-android31-clang       llvm-ar
aarch64-linux-android31-clang++     llvm-as
aarch64-linux-android32-clang       llvm-bolt
aarch64-linux-android32-clang++     llvm-cfi-verify
aarch64-linux-android33-clang       llvm-config
aarch64-linux-android33-clang++     llvm-cov
armv7a-linux-androideabi19-clang    llvm-cxxfilt
armv7a-linux-androideabi19-clang++  llvm-dis
armv7a-linux-androideabi21-clang    llvm-dwarfdump
armv7a-linux-androideabi21-clang++  llvm-dwp
armv7a-linux-androideabi22-clang    llvm-lib
armv7a-linux-androideabi22-clang++  llvm-link
armv7a-linux-androideabi23-clang    llvm-lipo
armv7a-linux-androideabi23-clang++  llvm-modextract
armv7a-linux-androideabi24-clang    llvm-nm
armv7a-linux-androideabi24-clang++  llvm-objcopy
armv7a-linux-androideabi26-clang    llvm-objdump
armv7a-linux-androideabi26-clang++  llvm-profdata
armv7a-linux-androideabi27-clang    llvm-ranlib
armv7a-linux-androideabi27-clang++  llvm-rc
armv7a-linux-androideabi28-clang    llvm-readelf
armv7a-linux-androideabi28-clang++  llvm-readobj
armv7a-linux-androideabi29-clang    llvm-size
armv7a-linux-androideabi29-clang++  llvm-strings
armv7a-linux-androideabi30-clang    llvm-strip
armv7a-linux-androideabi30-clang++  llvm-symbolizer
armv7a-linux-androideabi31-clang    llvm-windres
armv7a-linux-androideabi31-clang++  merge-fdata
armv7a-linux-androideabi32-clang    remote_toolchain_inputs
armv7a-linux-androideabi32-clang++  sancov
armv7a-linux-androideabi33-clang    sanstats
armv7a-linux-androideabi33-clang++  scan-build
bisect_driver.py                    scan-view
clang                               x86_64-linux-android21-clang
clang++                             x86_64-linux-android21-clang++
clang-14                            x86_64-linux-android22-clang
clang-check                         x86_64-linux-android22-clang++
clangd                              x86_64-linux-android23-clang
clang-format                        x86_64-linux-android23-clang++
clang-tidy                          x86_64-linux-android24-clang
dsymutil                            x86_64-linux-android24-clang++
git-clang-format                    x86_64-linux-android26-clang
i686-linux-android19-clang          x86_64-linux-android26-clang++
i686-linux-android19-clang++        x86_64-linux-android27-clang
i686-linux-android21-clang          x86_64-linux-android27-clang++
i686-linux-android21-clang++        x86_64-linux-android28-clang
i686-linux-android22-clang          x86_64-linux-android28-clang++
i686-linux-android22-clang++        x86_64-linux-android29-clang
i686-linux-android23-clang          x86_64-linux-android29-clang++
i686-linux-android23-clang++        x86_64-linux-android30-clang
i686-linux-android24-clang          x86_64-linux-android30-clang++
i686-linux-android24-clang++        x86_64-linux-android31-clang
i686-linux-android26-clang          x86_64-linux-android31-clang++
i686-linux-android26-clang++        x86_64-linux-android32-clang
i686-linux-android27-clang          x86_64-linux-android32-clang++
i686-linux-android27-clang++        x86_64-linux-android33-clang
i686-linux-android28-clang          x86_64-linux-android33-clang++
i686-linux-android28-clang++        yasm
i686-linux-android29-clang

我正在使用 Flutter 3.7.6、Dart 2.19.3 和 Cargo-ndk。我的 gradle.properties 文件将 ANDROID_NDK 变量设置为正确的路径：

ANDROID_NDK=/home/user/Android/Sdk/ndk/25.2.9519653/

在我的

build.gradle
中，我有以下构建 Rust 项目的任务：

[
        new Tuple2('Debug', ''),
        new Tuple2('Profile', '--release'),
        new Tuple2('Release', '--release')
].each {
    def taskPostfix = it.first
    def profileMode = it.second
    tasks.whenTaskAdded { task ->
        if (task.name == "javaPreCompile$taskPostfix") {
            task.dependsOn "cargoBuild$taskPostfix"
        }
    }
    tasks.register("cargoBuild$taskPostfix", Exec) {
        commandLine 'sh', '-c', """cd ../../rust/my_lib  && \
        ANDROID_NDK_HOME="$ANDROID_NDK" cargo ndk \
            -t armeabi-v7a -t arm64-v8a -t x86 -t x86_64 \
            -o ../android/app/src/main/jniLibs build $profileMode"""
    }
}

我在我的项目中使用flutter_rust_bridge 版本1.67.0。与

build.gradle
文件相关的文档这里。

生锈

Cargo.toml
：

[lib]
crate-type = ["lib", "staticlib", "cdylib"]

[dependencies]
openssl = { version = "0.10", features = ["vendored"] }

有谁知道为什么构建失败并出现“arm-linux-androideabi-ranlib not found”错误以及如何修复它？任何帮助，将不胜感激。谢谢！

android flutter openssl android-ndk
2个回答
0
投票

您可以通过 

CC_aarch64-linux-android
、
RANLIB_aarch64-linux-android
等环境变量配置 OpenSSL Android 构建脚本使用的命令路径。这是我用来配置此类变量的 PowerShell 脚本：

$ANDROID_HOME = "/path/to/Android/sdk";
$ANDROID_SUBDIRS = "emulator", "tools", "tools/bin", "platform-tools";
ForEach ($subdir in $ANDROID_SUBDIRS) {
    ${env:PATH} = "${env:PATH}:${ANDROID_HOME}/$subdir";
}
${env:ANDROID_HOME} = $ANDROID_HOME;
${env:ANDROID_SDK_ROOT} = $ANDROID_HOME;
${env:ANDROID_NDK_ROOT} = "$ANDROID_HOME/ndk/25.2.9519653";

function configureAndroidToolchain {
    # "windows-x86_64" on Windows
    # "darwin-x86_64" on macOS (even with Apple Silicon)
    # "linux-x86_64" on Linux
    $hostTag = "darwin-x86_64";

    # Use the minSdkVersion you use
    $sdkVersion = "29";

    $archs = @{}
    $archs["aarch64-linux-android"] = $null;
    $archs["armv7-linux-androideabi"] = "armv7a-linux-androideabi";
    $archs["x86_64-linux-android"] = $null;
    $archs["i686-linux-android"] = $null;

    $prebuiltDir = "${env:ANDROID_NDK_ROOT}/toolchains/llvm/prebuilt/$hostTag/bin";

    foreach ($rustArch in $archs.Keys) {
        $androidArch = $archs[$rustArch];
        if ($androidArch -eq $null) {
            $androidArch = $rustArch;
        }

        Set-Item "env:CC_$rustArch" -Value "$prebuiltDir/$androidArch$sdkVersion-clang";
        Set-Item "env:CXX_$rustArch" -Value "$prebuiltDir/$androidArch$sdkVersion-clang++";
        Set-Item "env:AR_$rustArch" -Value "$prebuiltDir/llvm-ar";
        Set-Item "env:RANLIB_$rustArch" -Value "$prebuiltDir/llvm-ranlib";
        Set-Item "env:CFLAGS_$rustArch" -Value "-D__ANDROID_MIN_SDK_VERSION__=$sdkVersion";
        Set-Item "env:CXXFLAGS_$rustArch" -Value "-D__ANDROID_MIN_SDK_VERSION__=$sdkVersion";
    }
}

configureAndroidToolchain;

应用这些变量后，OpenSSL 构建将正常完成。

0
投票

我遇到了类似的错误，我正在运行最新版本的

Android Studio
并已使用它安装了
NDK
。它安装了
$HOME/Android/Sdk
中的所有内容。我解决了这个问题：

首先你需要设置这些环境：

export ANDROID_HOME=$HOME/Android/Sdk
export ANDROID_NDK_HOME=$HOME/Android/Sdk/ndk/25.2.9519653

export TOOLCHAIN=$ANDROID_NDK_HOME/toolchains/llvm/prebuilt/linux-x86_64
export TARGET=aarch64-linux-android
export API=33

export AR=$TOOLCHAIN/bin/llvm-ar
export CC=$TOOLCHAIN/bin/$TARGET$API-clang
export AS=$CC
export CXX=$TOOLCHAIN/bin/$TARGET$API-clang++
export LD=$TOOLCHAIN/bin/ld
export RANLIB=$TOOLCHAIN/bin/llvm-ranlib
export STRIP=$TOOLCHAIN/bin/llvm-strip

export PATH=$PATH:$ANDROID_HOME/cmdline-tools/latest/bin
export PATH=$PATH:$TOOLCHAIN/bin

之后将以下内容添加到

$HOME/.cargo/config
（如果配置文件不存在，则创建配置文件）：

[target.aarch64-linux-android]
linker = "/<absolute path to home>/Android/Sdk/ndk/25.2.9519653/toolchains/llvm/prebuilt/linux-x86_64/bin/aarch64-linux-android33-clang"

之后运行类似 

cargo build --target aarch64-linux-android
或使用 
./gradlew build
应该可以工作。

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