Android-NDK的linux交叉编译环境

NDK工具包下载

NDK 下载  |  Android NDK  |  Android Developers

https://github.com/android/ndk/wiki/Unsupported-Downloads

以android-ndk-r26c下载为例，下载后将压缩包解压至/usr目录下

CMakeLists编译选项设置

编译平台变量判断条件中增加一下android条件下CMake的变量

CMAKE_MINIMUM_REQUIRED(VERSION 3.10)

if(BUILD_TARGET_PLATFORM STREQUAL "aarch64")
    message(STATUS "BUILD_TARGET_PLATFORM: " "${BUILD_TARGET_PLATFORM}")
    set(CMAKE_SYSTEM_PROCESSOR aarch64)
    set(CMAKE_C_COMPILER /usr/gcc-linaro-7.3.1-2018.05-x86_64_aarch64-linux-gnu/bin