TI AM69 ffmpeg build

 $ source /opt/ti-processor-sdk-linux-am69-sk-10_00_07_06/linux-devkit/environment-setup

$ ./configure --prefix=/home/kimdh/work/mingw/build/ffmpeg-3.3.3/ffmpeg_am69 --enable-shared --disable-static --enable-gpl --enable-cross-compile --arch=arm64 --target-os=linux --cross-prefix=aarch64-oe-linux- --sysroot=$SDKTARGETSYSROOT --pkgconfigdir=$PKG_CONFIG_SYSROOT_DIR --pkg-config=/opt/ti-processor-sdk-linux-am69-sk-10_00_07_06/linux-devkit/sysroots/x86_64-arago-linux/usr/bin/pkg-config --disable-doc

make 

make install