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[akaros.git] / scripts / kconfig / lxdialog / check-lxdialog.sh
1 #!/bin/sh
2 # Check ncurses compatibility
3
4 # What library to link
5 ldflags()
6 {
7         for ext in so a dll.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?
20 ccflags()
21 {
22         if [ -f /usr/include/ncursesw/curses.h ]; then
23                 echo '-I/usr/include/ncursesw -DCURSES_LOC="<ncursesw/curses.h>"'
24         elif [ -f /usr/include/ncurses/ncurses.h ]; then
25                 echo '-I/usr/include/ncurses -DCURSES_LOC="<ncurses.h>"'
26         elif [ -f /usr/include/ncurses/curses.h ]; then
27                 echo '-I/usr/include/ncurses -DCURSES_LOC="<ncurses/curses.h>"'
28         elif [ -f /usr/include/ncurses.h ]; then
29                 echo '-DCURSES_LOC="<ncurses.h>"'
30         else
31                 echo '-DCURSES_LOC="<curses.h>"'
32         fi
33 }
34
35 # Temp file, try to clean up after us
36 tmp=.lxdialog.tmp
37 trap "rm -f $tmp" 0 1 2 3 15
38
39 # Check if we can link to ncurses
40 check() {
41         $cc -x c - -o $tmp 2>/dev/null <<'EOF'
42 #include CURSES_LOC
43 main() {}
44 EOF
45         if [ $? != 0 ]; then
46             echo " *** Unable to find the ncurses libraries or the"       1>&2
47             echo " *** required header files."                            1>&2
48             echo " *** 'make menuconfig' requires 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|-ccflags|-ldflags compiler options]\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