#!/bin/sh

 # Check ncurses compatibility

 # What library to link

 ldflags()

 {

 	$cc -print-file-name=libncursesw.so | grep -q /

 	if [ $? -eq 0 ]; then

 		echo '-lncursesw'

 		exit

 	fi

 	$cc -print-file-name=libncurses.so | grep -q /

 	if [ $? -eq 0 ]; then

 		echo '-lncurses'

 		exit

 	fi

 	$cc -print-file-name=libcurses.so | grep -q /

 	if [ $? -eq 0 ]; then

 		echo '-lcurses'

 		exit

 	fi

 	exit 1

 }

 # Where is ncurses.h?

 ccflags()

 {

 	if [ -f /usr/include/ncurses/ncurses.h ]; then

 		echo '-I/usr/include/ncurses -DCURSES_LOC="<ncurses.h>"'

 	elif [ -f /usr/include/ncurses/curses.h ]; then

 		echo '-I/usr/include/ncurses -DCURSES_LOC="<ncurses/curses.h>"'

 	elif [ -f /usr/include/ncurses.h ]; then

 		echo '-DCURSES_LOC="<ncurses.h>"'

 	else

 		echo '-DCURSES_LOC="<curses.h>"'

 	fi

 }

 # Temp file, try to clean up after us

 tmp=.lxdialog.tmp

 trap "rm -f $tmp" 0 1 2 3 15

 # Check if we can link to ncurses

 check() {

 	echo "main() {}" | $cc -xc - -o $tmp 2> /dev/null

 	if [ $? != 0 ]; then

 		echo " *** Unable to find the ncurses libraries."          1>&2

 		echo " *** make menuconfig require the ncurses libraries"  1>&2

 		echo " *** "                                               1>&2

 		echo " *** Install ncurses (ncurses-devel) and try again"  1>&2

 		echo " *** "                                               1>&2

 		exit 1

 	fi

 }

 usage() {

 	printf "Usage: $0 [-check compiler options|-header|-library]\n"

 }

 if [ $# == 0 ]; then

 	usage

 	exit 1

 fi

 cc=""

 case "$1" in

 	"-check")

 		shift

 		cc="$@"

 		check

 		;;

 	"-ccflags")

 		ccflags

 		;;

 	"-ldflags")

 		shift

 		cc="$@"

 		ldflags

 		;;

 	"*")

 		usage

 		exit 1

 		;;

 esac