summaryrefslogtreecommitdiff
path: root/scripts/kconfig/lxdialog/check-lxdialog.sh
blob: cdca7388e0f1f982ae0a05994bbb7e22a6ef74b0 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
#!/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/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