scripts/config/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 dll.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/ncursesw/curses.h ]; then
  23                 echo '-I/usr/include/ncursesw -DCURSES_LOC="<ncursesw/curses.h>"'
  24                 echo ' -DNCURSES_WIDECHAR=1'
  25         elif [ -f /usr/include/ncurses/ncurses.h ]; then
  26                 echo '-I/usr/include/ncurses -DCURSES_LOC="<ncurses.h>"'
  27         elif [ -f /usr/include/ncurses/curses.h ]; then
  28                 echo '-I/usr/include/ncurses -DCURSES_LOC="<ncurses/curses.h>"'
  29         elif [ -f /usr/include/ncurses.h ]; then
  30                 echo '-DCURSES_LOC="<ncurses.h>"'
  31         else
  32                 echo '-DCURSES_LOC="<curses.h>"'
  33         fi
  34 }
  35
  36 # Temp file, try to clean up after us
  37 tmp=.lxdialog.tmp
  38 trap "rm -f $tmp" 0 1 2 3 15
  39
  40 # Check if we can link to ncurses
  41 check() {
  42         $cc -x c - -o $tmp 2>/dev/null <<'EOF'
  43 #include CURSES_LOC
  44 main() {}
  45 EOF
  46         if [ $? != 0 ]; then
  47             echo " *** Unable to find the ncurses libraries or the"       1>&2
  48             echo " *** required header files."                            1>&2
  49             echo " *** 'make menuconfig' requires the ncurses libraries." 1>&2
  50             echo " *** "                                                  1>&2
  51             echo " *** Install ncurses (ncurses-devel) and try again."    1>&2
  52             echo " *** "                                                  1>&2
  53             exit 1
  54         fi
  55 }
  56
  57 usage() {
  58         printf "Usage: $0 [-check compiler options|-ccflags|-ldflags compiler options]\n"
  59 }
  60
  61 if [ $# -eq 0 ]; then
  62         usage
  63         exit 1
  64 fi
  65
  66 cc=""
  67 case "$1" in
  68         "-check")
  69                 shift
  70                 cc="$@"
  71                 check
  72                 ;;
  73         "-ccflags")
  74                 ccflags
  75                 ;;
  76         "-ldflags")
  77                 shift
  78                 cc="$@"
  79                 ldflags
  80                 ;;
  81         "*")
  82                 usage
  83                 exit 1
  84                 ;;
  85 esac