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 -e " #include CURSES_LOC \n main() {}" |
  40             $cc -xc - -o $tmp 2> /dev/null
  41         if [ $? != 0 ]; then
  42             echo " *** Unable to find the ncurses libraries or the"       1>&2
  43             echo " *** required header files."                            1>&2
  44             echo " *** 'make menuconfig' requires the ncurses libraries." 1>&2
  45             echo " *** "                                                  1>&2
  46             echo " *** Install ncurses (ncurses-devel) and try again."    1>&2
  47             echo " *** "                                                  1>&2
  48             exit 1
  49         fi
  50 }
  51
  52 usage() {
  53         printf "Usage: $0 [-check compiler options|-header|-library]\n"
  54 }
  55
  56 if [ $# -eq 0 ]; then
  57         usage
  58         exit 1
  59 fi
  60
  61 cc=""
  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