#!/bin/sh

# Check ncurses compatibility

# What library to link

ldflags()

{

	for ext in so a dylib ; do

		for lib in ncursesw ncurses curses ; do

			$cc -print-file-name=lib${lib}.${ext} | grep -q /

			if [ $? -eq 0 ]; then

				echo "-l${lib}"

				exit

			fi

		done

	done

	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/ncursesw/curses.h ]; then

		echo '-I/usr/include/ncursesw -DCURSES_LOC="<ncursesw/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() {

        $cc -xc - -o $tmp 2>/dev/null <<'EOF'

#include CURSES_LOC

main() {}

EOF

	if [ $? != 0 ]; then

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

	    echo " *** required header files."                            1>&2

	    echo " *** 'make menuconfig' requires 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|-ccflags|-ldflags compiler options]\n"

}

if [ $# -eq 0 ]; then

	usage

	exit 1

fi

cc=""

case "$1" in

	"-check")

		shift

		cc="$@"

		check

		;;

	"-ccflags")

		ccflags

		;;

	"-ldflags")

		shift

		cc="$@"

		ldflags

		;;

	"*")

		usage

		exit 1

		;;

esac