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 [ $# == 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