release/src-rt-6.x/linux/linux-2.6/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         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
  50 usage() {
  51         printf "Usage: $0 [-check compiler options|-header|-library]\n"
  52 }
  53
  54 if [ $# == 0 ]; then
  55         usage
  56         exit 1
  57 fi
  58
  59 cc=""
  60 case "$1" in
  61         "-check")
  62                 shift
  63                 cc="$@"
  64                 check
  65                 ;;
  66         "-ccflags")
  67                 ccflags
  68                 ;;
  69         "-ldflags")
  70                 shift
  71                 cc="$@"
  72                 ldflags
  73                 ;;
  74         "*")
  75                 usage
  76                 exit 1
  77                 ;;
  78 esac