An example QT project prepared for BananaPI board and OpenWRT Linux distribution.
In project directory create a rules.mk file. You must specify details vaild for your build.
Example rules.mk:
BIN_DIR = /home/pawel/Workspace/bananaPiR1/openwrt-trunk/staging_dir/toolchain-arm_cortex-a8+vfpv3_gcc-5.3.0_musl-1.1.14_eabi/bin/
QMAKE = /home/pawel/Workspace/bananaPiR1/openwrt-trunk/build_dir/target-arm_cortex-a8+vfpv3_musl-1.1.14_eabi/qt-everywhere-opensource-src-5.7.1/qtbase/bin/qmake
QMAKE_SPEC = linux-openwrt-g++Then build:
make