1#!/bin/sh
2# Check ncurses compatibility
3
4# What library to link
5ldflags()
6{
7	for ext in so a dylib ; do
8		for lib in ncursesw ncurses curses ; do
9			$cc -print-file-name=lib${lib}.${ext} | grep -q /
10			if [ $? -eq 0 ]; then
11				echo "-l${lib}"
12				exit
13			fi
14		done
15	done
16	exit 1
17}
18
19# Where is ncurses.h?
20ccflags()
21{
22	if [ -f /usr/include/ncurses/ncurses.h ]; then
23		echo '-I/usr/include/ncurses -DCURSES_LOC="<ncurses.h>"'
24	elif [ -f /usr/include/ncurses/curses.h ]; then
25		echo '-I/usr/include/ncurses -DCURSES_LOC="<ncurses/curses.h>"'
26	elif [ -f /usr/include/ncurses.h ]; then
27		echo '-DCURSES_LOC="<ncurses.h>"'
28	else
29		echo '-DCURSES_LOC="<curses.h>"'
30	fi
31}
32
33# Temp file, try to clean up after us
34tmp=.lxdialog.tmp
35trap "rm -f $tmp" 0 1 2 3 15
36
37# Check if we can link to ncurses
38check() {
39	echo "main() {}" | $cc -xc - -o $tmp 2> /dev/null
40	if [ $? != 0 ]; then
41		echo " *** Unable to find the ncurses libraries."          1>&2
42		echo " *** make menuconfig require the ncurses libraries"  1>&2
43		echo " *** "                                               1>&2
44		echo " *** Install ncurses (ncurses-devel) and try again"  1>&2
45		echo " *** "                                               1>&2
46		exit 1
47	fi
48}
49
50usage() {
51	printf "Usage: $0 [-check compiler options|-header|-library]\n"
52}
53
54if [ $# == 0 ]; then
55	usage
56	exit 1
57fi
58
59cc=""
60case "$1" in
61	"-check")
62		shift
63		cc="$@"
64		check
65		;;
66	"-ccflags")
67		ccflags
68		;;
69	"-ldflags")
70		shift
71		cc="$@"
72		ldflags
73		;;
74	"*")
75		usage
76		exit 1
77		;;
78esac
79