scripts/kconfig/lxdialog/check-lxdialog.sh

   1 #!/bin/sh
   2 # Check ncurses compatibility
   3
   4 # What library to link
   5 ldflags()
   6 {
   7         echo "main() {}" | $cc -lncursesw -xc - -o /dev/null 2> /dev/null
   8         if [ $? -eq 0 ]; then
   9                 echo '-lncursesw'
  10                 exit
  11         fi
  12         echo "main() {}" | $cc -lncurses -xc - -o /dev/null 2> /dev/null
  13         if [ $? -eq 0 ]; then
  14                 echo '-lncurses'
  15                 exit
  16         fi
  17         echo "main() {}" | $cc -lcurses -xc - -o /dev/null 2> /dev/null
  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 compiler=""
  40 # Check if we can link to ncurses
  41 check() {
  42         echo "main() {}" | $cc -xc - -o /dev/null 2> /dev/null
  43         if [ $? != 0 ]; then
  44                 echo " *** Unable to find the ncurses libraries."          1>&2
  45                 echo " *** make menuconfig require the ncurses libraries"  1>&2
  46                 echo " *** "                                               1>&2
  47                 echo " *** Install ncurses (ncurses-devel) and try again"  1>&2
  48                 echo " *** "                                               1>&2
  49                 exit 1
  50         fi
  51 }
  52
  53 usage() {
  54         printf "Usage: $0 [-check compiler options|-header|-library]\n"
  55 }
  56
  57 if [ $# == 0 ]; then
  58         usage
  59         exit 1
  60 fi
  61
  62 case "$1" in
  63         "-check")
  64                 shift
  65                 cc="$@"
  66                 check
  67                 ;;
  68         "-ccflags")
  69                 ccflags
  70                 ;;
  71         "-ldflags")
  72                 shift
  73                 cc="$@"
  74                 ldflags
  75                 ;;
  76         "*")
  77                 usage
  78                 exit 1
  79                 ;;
  80 esac