scripts/kconfig/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         $cc -print-file-name=libncursesw.dylib | grep -q /
  23         if [ $? -eq 0 ]; then
  24                 echo '-lncursesw'
  25                 exit
  26         fi
  27         $cc -print-file-name=libncurses.dylib | grep -q /
  28         if [ $? -eq 0 ]; then
  29                 echo '-lncurses'
  30                 exit
  31         fi
  32         $cc -print-file-name=libcurses.dylib | grep -q /
  33         if [ $? -eq 0 ]; then
  34                 echo '-lcurses'
  35                 exit
  36         fi
  37         exit 1
  38 }
  39
  40 # Where is ncurses.h?
  41 ccflags()
  42 {
  43         if [ -f /usr/include/ncurses/ncurses.h ]; then
  44                 echo '-I/usr/include/ncurses -DCURSES_LOC="<ncurses.h>"'
  45         elif [ -f /usr/include/ncurses/curses.h ]; then
  46                 echo '-I/usr/include/ncurses -DCURSES_LOC="<ncurses/curses.h>"'
  47         elif [ -f /usr/include/ncurses.h ]; then
  48                 echo '-DCURSES_LOC="<ncurses.h>"'
  49         else
  50                 echo '-DCURSES_LOC="<curses.h>"'
  51         fi
  52 }
  53
  54 # Temp file, try to clean up after us
  55 tmp=.lxdialog.tmp
  56 trap "rm -f $tmp" 0 1 2 3 15
  57
  58 # Check if we can link to ncurses
  59 check() {
  60         echo "main() {}" | $cc -xc - -o $tmp 2> /dev/null
  61         if [ $? != 0 ]; then
  62                 echo " *** Unable to find the ncurses libraries."          1>&2
  63                 echo " *** make menuconfig require the ncurses libraries"  1>&2
  64                 echo " *** "                                               1>&2
  65                 echo " *** Install ncurses (ncurses-devel) and try again"  1>&2
  66                 echo " *** "                                               1>&2
  67                 exit 1
  68         fi
  69 }
  70
  71 usage() {
  72         printf "Usage: $0 [-check compiler options|-header|-library]\n"
  73 }
  74
  75 if [ $# == 0 ]; then
  76         usage
  77         exit 1
  78 fi
  79
  80 cc=""
  81 case "$1" in
  82         "-check")
  83                 shift
  84                 cc="$@"
  85                 check
  86                 ;;
  87         "-ccflags")
  88                 ccflags
  89                 ;;
  90         "-ldflags")
  91                 shift
  92                 cc="$@"
  93                 ldflags
  94                 ;;
  95         "*")
  96                 usage
  97                 exit 1
  98                 ;;
  99 esac