如何从命令行使用 cmake 为有根的安卓设备制作可执行文件?

How to use cmake from command line to make an executable for rooted Android device?

本文关键字:可执行文件 命令行 cmake      更新时间:2023-10-16

我想运行一个简单的可执行文件,当我从adb shell执行它时,它应该打印"Hello Cmake"。为此,我创建了一个带有CMakeLists.txt文件的简单c ++文件,如下所示:

你好.cpp

#include <iostream>
int main(int, char**) {
std::cout << "Hello, CMake!n";
}

CMakeList.txt


cmake_minimum_required(VERSION 3.4.1)
add_library( # Sets the name of the library.
hello_cmake
# Sets the library as a static library.
STATIC
# Provides a relative path to your source file(s).
hello.cpp )

我尝试在终端中运行以下命令:

cmake D:/Development/CMAKE/HelloCmake/ -G Ninja 
-DANDROID_TOOLCHAIN_NAME=aarch64-linux-android29-clang++ 
-DANDROID_PLATFORM=29 
-DCMAKE_CACHEFILE_DIR=D:/Development/CMAKE/HelloCmake/build 
-DCMAKE_MAKE_PROGRAM=D:/Sdk/cmake/3.10.2.4988404/bin/ninja.exe 
-DCMAKE_C_COMPILER=D:/Sdk/ndk-bundle/toolchains/llvm/prebuilt/windows-x86_64/bin/aarch64-linux-android29-clang 
-DCMAKE_CXX_COMPILER=D:/Sdk/ndk-bundle/toolchains/llvm/prebuilt/windows-x86_64/bin/aarch64-linux-android29-clang++

这将产生以下结果:

D:DevelopmentCMAKEHelloCmake>cmake D:/Development/CMAKE/HelloCmake/ -G Ninja -DANDROID_TOOLCHAIN_NAME=aarch64-linux-android29-clang++ -DANDROID_PLATFORM=29 -DCMAKE_CACHEFILE_DIR=D:/Development/CMAKE/HelloCmake/build -DCMAKE_MAKE_PROGRAM=D:/Sdk/cmake/3.10.2.4988404/bin/ninja.exe -DCMAKE_C_COMPILER=D:/Sdk/ndk-bundle/toolchains/llvm/prebuilt/windows-x86_64/bin/aarch64-linux-android29-clang -DCMAKE_CXX_COMPILER=D:/Sdk/ndk-bundle/toolchains/llvm/prebuilt/windows-x86_64/bin/aarch64-linux-android29-clang++
-- The C compiler identification is unknown
-- The CXX compiler identification is unknown
-- Check for working C compiler: D:/Sdk/ndk-bundle/toolchains/llvm/prebuilt/windows-x86_64/bin/aarch64-linux-android29-clang
-- Check for working C compiler: D:/Sdk/ndk-bundle/toolchains/llvm/prebuilt/windows-x86_64/bin/aarch64-linux-android29-clang -- broken
CMake Error at D:/Sdk/cmake/3.10.2.4988404/share/cmake-3.10/Modules/CMakeTestCCompiler.cmake:52 (message):
The C compiler
"D:/Sdk/ndk-bundle/toolchains/llvm/prebuilt/windows-x86_64/bin/aarch64-linux-android29-clang"
is not able to compile a simple test program.
It fails with the following output:
Change Dir: D:/Development/CMAKE/HelloCmake/CMakeFiles/CMakeTmp
Run Build Command:"D:/Sdk/cmake/3.10.2.4988404/bin/ninja.exe" "cmTC_e4775"
ninja: fatal: CreateProcess: %1 is not a valid Win32 application.


CMake will not be able to correctly generate this project.
Call Stack (most recent call first):
CMakeLists.txt

-- Configuring incomplete, errors occurred!
See also "D:/Development/CMAKE/HelloCmake/CMakeFiles/CMakeOutput.log".
See also "D:/Development/CMAKE/HelloCmake/CMakeFiles/CMakeError.log".
D:DevelopmentCMAKEHelloCmake>

请帮助我正确配置它。

更新 1在迈克尔的指导下,我在Android Studio中找到了build_command.txt文件,其中包含以下内容,用于简单的"Hello World"应用程序:

Executable : D:Sdkcmake3.10.2.4988404bincmake.exe
arguments : 
-HD:DevelopmentAndroidHelloCPPappsrcmaincpp
-BD:DevelopmentAndroidHelloCPPapp.cxxcmakedebugarm64-v8a
-DANDROID_ABI=arm64-v8a
-DANDROID_PLATFORM=android-26
-DCMAKE_LIBRARY_OUTPUT_DIRECTORY=D:DevelopmentAndroidHelloCPPappbuildintermediatescmakedebugobjarm64-v8a
-DCMAKE_BUILD_TYPE=Debug
-DANDROID_NDK=D:Sdkndk20.1.5948944
-DCMAKE_CXX_FLAGS=-std=c++14
-DCMAKE_SYSTEM_NAME=Android
-DCMAKE_ANDROID_ARCH_ABI=arm64-v8a
-DCMAKE_SYSTEM_VERSION=26
-DCMAKE_EXPORT_COMPILE_COMMANDS=ON
-DCMAKE_ANDROID_NDK=D:Sdkndk20.1.5948944
-DCMAKE_TOOLCHAIN_FILE=D:Sdkndk20.1.5948944buildcmakeandroid.toolchain.cmake
-G Ninja
-DCMAKE_MAKE_PROGRAM=D:Sdkcmake3.10.2.4988404binninja.exe
jvmArgs : 

我已经为我的应用程序运行了以下命令:

D:Sdkcmake3.10.2.4988404bincmake.exe 
-HD:DevelopmentCMAKEHelloCmake 
-BD:DevelopmentCMAKEHelloCmakearm64-v8a 
-DANDROID_ABI=arm64-v8a 
-DANDROID_PLATFORM=android-29 
-DCMAKE_LIBRARY_OUTPUT_DIRECTORY=D:DevelopmentCMAKEHelloCmakebuild 
-DCMAKE_BUILD_TYPE=Debug 
-DANDROID_NDK=D:Sdkndk20.1.5948944 
-DCMAKE_CXX_FLAGS=-std=c++14 
-DCMAKE_SYSTEM_NAME=Android 
-DCMAKE_ANDROID_ARCH_ABI=arm64-v8a 
-DCMAKE_SYSTEM_VERSION=26 
-DCMAKE_EXPORT_COMPILE_COMMANDS=ON 
-DCMAKE_ANDROID_NDK=D:Sdkndk20.1.5948944 
-DCMAKE_TOOLCHAIN_FILE=D:Sdkndk20.1.5948944buildcmakeandroid.toolchain.cmake 
-G Ninja 
-DCMAKE_MAKE_PROGRAM=D:Sdkcmake3.10.2.4988404binninja.exe

我得到以下输出:

D:DevelopmentCMAKEHelloCmake>D:Sdkcmake3.10.2.4988404bincmake.exe -HD:DevelopmentCMAKEHelloCmake -BD:DevelopmentCMAKEHelloCmakearm64-v8a -DANDROID_ABI=arm64-v8a -DANDROID_PLATFORM=android-29 -DCMAKE_LIBRARY_OUTPUT_DIRECTORY=D:DevelopmentCMAKEHelloCmakebuild -DCMAKE_BUILD_TYPE=Debug -DANDROID_NDK=D:Sdkndk20.1.5948944 -DCMAKE_CXX_FLAGS=-std=c++14 -DCMAKE_SYSTEM_NAME=Android -DCMAKE_ANDROID_ARCH_ABI=arm64-v8a -DCMAKE_SYSTEM_VERSION=26 -DCMAKE_EXPORT_COMPILE_COMMANDS=ON -DCMAKE_ANDROID_NDK=D:Sdkndk20.1.5948944 -DCMAKE_TOOLCHAIN_FILE=D:Sdkndk20.1.5948944buildcmakeandroid.toolchain.cmake -G Ninja -DCMAKE_MAKE_PROGRAM=D:Sdkcmake3.10.2.4988404binninja.exe
-- Check for working C compiler: D:/Sdk/ndk/20.1.5948944/toolchains/llvm/prebuilt/windows-x86_64/bin/clang.exe
-- Check for working C compiler: D:/Sdk/ndk/20.1.5948944/toolchains/llvm/prebuilt/windows-x86_64/bin/clang.exe -- works
-- Detecting C compiler ABI info
-- Detecting C compiler ABI info - done
-- Detecting C compile features
-- Detecting C compile features - done
-- Check for working CXX compiler: D:/Sdk/ndk/20.1.5948944/toolchains/llvm/prebuilt/windows-x86_64/bin/clang++.exe
-- Check for working CXX compiler: D:/Sdk/ndk/20.1.5948944/toolchains/llvm/prebuilt/windows-x86_64/bin/clang++.exe -- works
-- Detecting CXX compiler ABI info
-- Detecting CXX compiler ABI info - done
-- Detecting CXX compile features
-- Detecting CXX compile features - done
-- Configuring done
-- Generating done
-- Build files have been written to: D:/Development/CMAKE/HelloCmake/arm64-v8a
D:DevelopmentCMAKEHelloCmake>

构建文件已写入arm64-v8a但我没有找到任何应该能够在我的 android 设备上运行ELF shared object, 64-bit LSB arm64, dynamic (/system/bin/linker64), stripped对象。

我只找到了以下文件:

$ find . | xargs file | grep ELF
./CMakeFiles/3.10.2/CMakeDetermineCompilerABI_C.bin:   ELF 64-bit LSB shared object, ARM aarch64, version 1 (SYSV), dynamically linked, interpreter /system/bin/linker64, BuildID[sha1]=7cb1fddcd4776716628feaf37d471c1ea4a55314, with debug_info, not stripped
./CMakeFiles/3.10.2/CMakeDetermineCompilerABI_CXX.bin: ELF 64-bit LSB shared object, ARM aarch64, version 1 (SYSV), dynamically linked, interpreter /system/bin/linker64, BuildID[sha1]=1f498297f62e5a52751312894e88a9abef0412d5, with debug_info, not stripped
./CMakeFiles/feature_tests.bin:                        ELF 64-bit LSB shared object, ARM aarch64, version 1 (SYSV), dynamically linked, interpreter /system/bin/linker64, BuildID[sha1]=a56baeb98e3f077c3cc0a512b0535089a717929c, with debug_info, not stripped

有什么建议吗?

更新 2我已经运行了D:Sdkcmake3.10.2.4988404binninja.exe -C arm64-v8a命令来制作目标静态库,但我得到了libhello_cmake.a这是current ar archive.

我认为要制作可执行文件,CMakeLists.txtadd_library行应该用其他东西替换吗?

有几个问题:

  1. 静态库不应直接运行。如果要构建可以运行的可执行文件,则应使用add_executable而不是add_library

  2. 调用cmake时,应设置CMAKE_TOOLCHAIN_FILE选项以指定要使用的工具链文件,并可能设置其他选项。要了解Android Studio/Gradle使用什么,您可以使用Android Studio的项目向导创建一个支持C++的Android项目,并查看构建该项目时生成的cmake_build_command.txt文件。

  3. 运行cmake后,您还需要运行ninja。该命令类似于ninja -C <directory containing build files generated by cmake>.