android - Android Studio 错误:原因:为 cmake /path/to/project/app/tools/CMakeLists.txt 执行外部原生构建
问题描述
在通过 android studio 运行应用程序后,我从 Github (链接) 下载了 WireGuard 我有这个错误:
ERROR: Cause: executing external native build for cmake /path/to/project/app/tools/CMakeLists.txt
并android_gradle_generate_cmake_ninja_json_x86.stderr.txt
显示:
CMake Error at CMakeLists.txt:11 (add_executable):
Cannot find source file:
wireguard-tools/src/wg-quick/android.c
Tried extensions .c .C .c++ .cc .cpp .cxx .m .M .mm .h .hh .h++ .hm .hpp
.hxx .in .txx
CMake Error: CMake can not determine linker language for target: libwg-quick.so
wireguard-tools 文件夹是空的。也许它的内容必须由 CMakeLists.txt 中的 cmake 构建。我不明白cmake。CMakeLists.txt 内容为:
# SPDX-License-Identifier: Apache-2.0
#
# Copyright © 2018-2019 WireGuard LLC. All Rights Reserved.
cmake_minimum_required(VERSION 3.4.1)
set(CMAKE_RUNTIME_OUTPUT_DIRECTORY "${CMAKE_LIBRARY_OUTPUT_DIRECTORY}")
# Work around https://github.com/android-ndk/ndk/issues/602
set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -fuse-ld=gold")
add_executable(libwg-quick.so wireguard-tools/src/wg-quick/android.c ndk-compat/compat.c)
target_compile_options(libwg-quick.so PUBLIC -O3 -std=gnu11 -Wall -include ${CMAKE_CURRENT_SOURCE_DIR}/ndk-compat/compat.h -DWG_PACKAGE_NAME=\"${ANDROID_PACKAGE_NAME}\")
target_link_libraries(libwg-quick.so -ldl)
file(GLOB WG_SOURCES wireguard-tools/src/*.c libmnl/src/*.c ndk-compat/compat.c)
add_executable(libwg.so ${WG_SOURCES})
target_include_directories(libwg.so PUBLIC "${CMAKE_CURRENT_SOURCE_DIR}/wireguard-tools/src/uapi/" "${CMAKE_CURRENT_SOURCE_DIR}/wireguard-tools/src/")
target_compile_options(libwg.so PUBLIC -O3 -std=gnu11 -D_GNU_SOURCE -idirafter "${CMAKE_CURRENT_SOURCE_DIR}/libmnl/include/" -include ${CMAKE_CURRENT_SOURCE_DIR}/ndk-compat/compat.h -DHAVE_VISIBILITY_HIDDEN -DRUNSTATEDIR=\"/data/data/${ANDROID_PACKAGE_NAME}/cache\" -Wno-pointer-arith -Wno-unused-parameter)
add_custom_target(libwg-go.so WORKING_DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}/libwg-go" COMMENT "Building wireguard-go" VERBATIM COMMAND make
ANDROID_ARCH_NAME=${ANDROID_ARCH_NAME}
ANDROID_C_COMPILER=${ANDROID_C_COMPILER}
ANDROID_TOOLCHAIN_ROOT=${ANDROID_TOOLCHAIN_ROOT}
ANDROID_LLVM_TRIPLE=${ANDROID_LLVM_TRIPLE}
ANDROID_SYSROOT=${ANDROID_SYSROOT}
ANDROID_PACKAGE_NAME=${ANDROID_PACKAGE_NAME}
CFLAGS=${CMAKE_C_FLAGS}\ -Wno-unused-command-line-argument
LDFLAGS=${CMAKE_SHARED_LINKER_FLAGS}\ -fuse-ld=gold
DESTDIR=${CMAKE_LIBRARY_OUTPUT_DIRECTORY}
BUILDDIR=${CMAKE_LIBRARY_OUTPUT_DIRECTORY}/../generated-src
)
# Hack to make it actually build as part of the default target
add_dependencies(libwg.so libwg-go.so)
项目结构:
我在 ubuntu 18.04 中使用 Android Studio 3.5.3 和 gradle 5.4.1。NDK(side by side) , LLDB 和 CMake 也安装了。但是我在事件日志中看到了这个警告(不是错误):NDK Resolution Outcome: Project settings: Gradle model version=5.4.1, NDK version is UNKNOWN
在所有项目中。即使是那些不使用ndk的人。在 local.properties 我定义:
ndk.dir=/home/hadi/Dev/Android/android-sdk/ndk/21.0.6113669
sdk.dir=/home/hadi/Dev/Android/android-sdk
谁能帮我?
解决方案
this repository have some sub modules and must clone with extra options. as in readme file in github page mentioned, I must clone project by these commands:
$ git clone --recurse-submodules https://git.zx2c4.com/wireguard-android
$ cd wireguard-android
$ ./gradlew assembleRelease
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