Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-2.6
[linux-2.6.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 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/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
34 tmp=.lxdialog.tmp
35 trap "rm -f $tmp" 0 1 2 3 15
36
37 # Check if we can link to ncurses
38 check() {
39         $cc -xc - -o $tmp 2>/dev/null <<'EOF'
40 #include CURSES_LOC
41 main() {}
42 EOF
43         if [ $? != 0 ]; then
44             echo " *** Unable to find the ncurses libraries or the"       1>&2
45             echo " *** required header files."                            1>&2
46             echo " *** 'make menuconfig' requires the ncurses libraries." 1>&2
47             echo " *** "                                                  1>&2
48             echo " *** Install ncurses (ncurses-devel) and try again."    1>&2
49             echo " *** "                                                  1>&2
50             exit 1
51         fi
52 }
53
54 usage() {
55         printf "Usage: $0 [-check compiler options|-ccflags|-ldflags compiler options]\n"
56 }
57
58 if [ $# -eq 0 ]; then
59         usage
60         exit 1
61 fi
62
63 cc=""
64 case "$1" in
65         "-check")
66                 shift
67                 cc="$@"
68                 check
69                 ;;
70         "-ccflags")
71                 ccflags
72                 ;;
73         "-ldflags")
74                 shift
75                 cc="$@"
76                 ldflags
77                 ;;
78         "*")
79                 usage
80                 exit 1
81                 ;;
82 esac