Mac ndk21 交叉ffmpeg目前

#!/bin/bash
 
#make clean
# NDK的路径，根据自己的安装位置进行设置

export NDK=/Users/wangt/Library/Android/sdk/ndk/21.4.7075529
export SYSROOT=$NDK/toolchains/llvm/prebuilt/darwin-x86_64/sysroot/
export TOOLCHAIN=$NDK/toolchains/llvm/prebuilt/darwin-x86_64/
export CPU=arm
export PREFIX=$(pwd)/android/$CPU
export ADDI_CFLAGS="-marm"
function build_one
{
./configure --prefix=$PREFIX --target-os=android --cross-prefix=$TOOLCHAIN/bin/arm-linux-androideabi- --arch=arm --sysroot=$SYSROOT --extra-cflags="-Os -fpic $ADDI_CFLAGS" --extra-ldflags="$ADDI_LDFLAGS" --enable-shared --enable-runtime-cpudetect --enable-gpl --enable-small --enable-cross-compile --cc=$TOOLCHAIN/bin/armv7a-linux-androideabi21-clang --disable-debug --disable-static --disable-doc --disable-asm --disable-ffmpeg --disable-ffplay --disable-ffprobe --enable-postproc --enable-avdevice --disable-symver --disable-stripping $ADDITIONAL_CONFIGURE_FLAG
#
#  --nm=$TOOLCHAIN/bin/arm-linux-androideabi-nm 
# 这里是定义用几个CPU编译，我用4个，一般在5分钟之内编译完成
make -j4
make install
}
build_one