我一直在尝试使用以下设置为 Android armeabi-v7a 编译 C 库:
然后我用sdkmanager来安装
一切都可以在
/opt/android/
和 /opt/android/ndk
... 中找到
我正在使用 CMakeLists.txt 文件,其中包含以下配置:
set(CMAKE_SYSTEM_NAME Android)
set(ANDROID_NDK_VERSION "26.1.10909125")
set(ANDROID_ABI "armeabi-v7a")
set(ANDROID_HOME "/opt/android")
set(ANDROID_NDK "${ANDROID_HOME}/ndk/${ANDROID_NDK_VERSION}")
set(ANDROID_PLATFORM "android-34")
set(ANDROID_ARM_NEON ON)
set(CMAKE_SYSTEM_VERSION 34)
set(CMAKE_ANDROID_ARCH_ABI "${ANDROID_ABI}")
set(CMAKE_TOOLCHAIN_FILE "${ANDROID_NDK}/build/cmake/android.toolchain.cmake")
set(CMAKE_ANDROID_NDK "${ANDROID_NDK}")
CMake 生成失败并出现以下错误:
-- Android: Targeting API '34' with architecture 'arm', ABI 'armeabi-v7a', and processor 'armv7-a'
CMake Error at /usr/share/cmake-3.22/Modules/Platform/Android-Initialize.cmake:97 (message):
Android: The system root directory needed for the selected Android version
and architecture does not exist:
/opt/android/ndk/26.1.10909125/platforms/android-34/arch-arm
Call Stack (most recent call first):
/usr/share/cmake-3.22/Modules/CMakeSystemSpecificInitialize.cmake:21 (include)
CMakeLists.txt:5 (project)
我不明白的是为什么 CMake 正在寻找
platforms
中的 ndk
目录,而 sdkmanager
似乎将所有内容安装在 ANDROID_HOME
的根目录下(例如 /opt/android
)。而且 arch-arm
中似乎没有任何 /opt/android/platforms/android-34
目录...
知道这些版本不兼容吗?或者我遗漏了一些明显的东西?
谢谢!
按照@Tsyvarev的建议,替换:
set(CMAKE_TOOLCHAIN_FILE "${ANDROID_NDK}/build/cmake/android.toolchain.cmake")
... 经过:
ìnclude("${ANDROID_NDK}/build/cmake/android.toolchain.cmake")
...为我成功了。