linux_kernel/scripts/kconfig/qconf-cfg.sh

#!/bin/sh
# SPDX-License-Identifier: GPL-2.0

PKG="Qt5Core Qt5Gui Qt5Widgets"
PKG2="QtCore QtGui"

if pkg-config --exists $PKG; then
	echo cflags=\"-std=c++11 -fPIC $(pkg-config --cflags Qt5Core Qt5Gui Qt5Widgets)\"
	echo libs=\"$(pkg-config --libs $PKG)\"
	echo moc=\"$(pkg-config --variable=host_bins Qt5Core)/moc\"
	exit 0
fi

if pkg-config --exists $PKG2; then
	echo cflags=\"$(pkg-config --cflags $PKG2)\"
	echo libs=\"$(pkg-config --libs $PKG2)\"
	echo moc=\"$(pkg-config --variable=moc_location QtCore)\"
	exit 0
fi

echo >&2 "*"
echo >&2 "* Could not find Qt via pkg-config."
echo >&2 "* Please install either Qt 4.8 or 5.x. and make sure it's in PKG_CONFIG_PATH"
echo >&2 "*"
exit 1