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