...
#
# qmake configuration for building with aarch64-linux-gnu-g++
#
MAKEFILE_GENERATOR = UNIX
CONFIG += incremental
QMAKE_INCREMENTAL_STYLE = sublib
QMAKE_LIBS_EGL += -lEGL
QMAKE_LIBS_OPENGL_ES2 += -lGLESv2 -lEGL
QMAKE_CFLAGS = -march=armv8-a -mtune=cortex-a55
QMAKE_CXXFLAGS = $$QMAKE_CFLAGS
EGLFS_DEVICE_INTEGRATION = eglfs_kms
include(../common/linux.conf)
include(../common/gcc-base-unix.conf)
include(../common/g++-unix.conf)
# modifications to g++.conf
QMAKE_CC = aarch64-poky-linux-gcc
QMAKE_CXX = aarch64-poky-linux-g++
QMAKE_LINK = aarch64-poky-linux-g++
QMAKE_LINK_SHLIB = aarch64-poky-linux-g++
# # modifications to linux.conf
QMAKE_AR = aarch64-poky-linux-ar cqs
QMAKE_OBJCOPY = aarch64-poky-linux/aarch64-poky-linux-objcopy
QMAKE_NM = aarch64-poky-linux/aarch64-poky-linux-nm -P
QMAKE_STRIP = aarch64-poky-linux-strip
load(qt_config)
...