df81c445586a12ac9f6e8b6a451d240e0c4fa54e
[openwrt/staging/dedeckeh.git] / openwrt / scripts / config / lxdialog / check-lxdialog.sh
1 #!/bin/sh
2 # Check ncurses compatibility
3
4 # What library to link
5 ldflags()
6 {
7 $cc -print-file-name=libncursesw.so | grep -q /
8 if [ $? -eq 0 ]; then
9 echo '-lncursesw'
10 exit
11 fi
12 $cc -print-file-name=libncurses.so | grep -q /
13 if [ $? -eq 0 ]; then
14 echo '-lncurses'
15 exit
16 fi
17 $cc -print-file-name=libcurses.so | grep -q /
18 if [ $? -eq 0 ]; then
19 echo '-lcurses'
20 exit
21 fi
22 exit 1
23 }
24
25 # Where is ncurses.h?
26 ccflags()
27 {
28 if [ -f /usr/include/ncurses/ncurses.h ]; then
29 echo '-I/usr/include/ncurses -DCURSES_LOC="<ncurses.h>"'
30 elif [ -f /usr/include/ncurses/curses.h ]; then
31 echo '-I/usr/include/ncurses -DCURSES_LOC="<ncurses/curses.h>"'
32 elif [ -f /usr/include/ncurses.h ]; then
33 echo '-DCURSES_LOC="<ncurses.h>"'
34 else
35 echo '-DCURSES_LOC="<curses.h>"'
36 fi
37 }
38
39 # Temp file, try to clean up after us
40 tmp=.lxdialog.tmp
41 trap "rm -f $tmp" 0 1 2 3 15
42
43 # Check if we can link to ncurses
44 check() {
45 echo "main() {}" | $cc -xc - -o $tmp 2> /dev/null
46 if [ $? != 0 ]; then
47 echo " *** Unable to find the ncurses libraries." 1>&2
48 echo " *** make menuconfig require the ncurses libraries" 1>&2
49 echo " *** " 1>&2
50 echo " *** Install ncurses (ncurses-devel) and try again" 1>&2
51 echo " *** " 1>&2
52 exit 1
53 fi
54 }
55
56 usage() {
57 printf "Usage: $0 [-check compiler options|-header|-library]\n"
58 }
59
60 if [ $# -eq 0 ]; then
61 usage
62 exit 1
63 fi
64
65 cc=""
66 case "$1" in
67 "-check")
68 shift
69 cc="$@"
70 check
71 ;;
72 "-ccflags")
73 ccflags
74 ;;
75 "-ldflags")
76 shift
77 cc="$@"
78 ldflags
79 ;;
80 "*")
81 usage
82 exit 1
83 ;;
84 esac