dependencies
libtool https://my.oschina.net/u/1250206/blog/1591415
Cross compile libjpeg
Copy the bin/libtool script in the libtool installation directory to the source path of libjpeg
open terminal
./configure --prefix=/usr/arm-none-linux-gnueabi CC=arm-none-linux-gnueabi-gcc --enable-shared --host=arm-linux
make
make install