Sir i need steps to cross compile opencv+qt i am able to run qt+opencv on my pc but when i cross compile to nano pc board its showing error. PC os is ubuntu 16.04 QT version 15.09.1 board os is 16.04.6 image used :s5p4418-sd-friendlycore-xenial-4.4-armhf-YYYYMMDD.img.zip i need sdk to cross compile ...