scripts/kconfig/lxdialog/check-lxdialog.sh

   1 #!/bin/sh
   2 # Check ncurses compatibility
   3
   4 # What library to link
   5 ldflags()
   6 {
   7         pkg-config --libs ncursesw 2>/dev/null && exit
   8         pkg-config --libs ncurses 2>/dev/null && exit
   9         for ext in so a dll.a dylib ; do
  10                 for lib in ncursesw ncurses curses ; do
  11                         $cc -print-file-name=lib${lib}.${ext} | grep -q /
  12                         if [ $? -eq 0 ]; then
  13                                 echo "-l${lib}"
  14                                 exit
  15                         fi
  16                 done
  17         done
  18         exit 1
  19 }
  20
  21 # Where is ncurses.h?
  22 ccflags()
  23 {
  24         if [ -f /usr/include/ncursesw/curses.h ]; then
  25                 echo '-I/usr/include/ncursesw -DCURSES_LOC="<curses.h>"'
  26                 echo ' -DNCURSES_WIDECHAR=1'
  27         elif [ -f /usr/include/ncurses/ncurses.h ]; then
  28                 echo '-I/usr/include/ncurses -DCURSES_LOC="<ncurses.h>"'
  29         elif [ -f /usr/include/ncurses/curses.h ]; then
  30                 echo '-I/usr/include/ncurses -DCURSES_LOC="<curses.h>"'
  31         elif [ -f /usr/include/ncurses.h ]; then
  32                 echo '-DCURSES_LOC="<ncurses.h>"'
  33         else
  34                 echo '-DCURSES_LOC="<curses.h>"'
  35         fi
  36 }
  37
  38 # Temp file, try to clean up after us
  39 tmp=.lxdialog.tmp
  40 trap "rm -f $tmp" 0 1 2 3 15
  41
  42 # Check if we can link to ncurses
  43 check() {
  44         $cc -x c - -o $tmp 2>/dev/null <<'EOF'
  45 #include CURSES_LOC
  46 main() {}
  47 EOF
  48         if [ $? != 0 ]; then
  49             echo " *** Unable to find the ncurses libraries or the"       1>&2
  50             echo " *** required header files."                            1>&2
  51             echo " *** 'make menuconfig' requires the ncurses libraries." 1>&2
  52             echo " *** "                                                  1>&2
  53             echo " *** Install ncurses (ncurses-devel) and try again."    1>&2
  54             echo " *** "                                                  1>&2
  55             exit 1
  56         fi
  57 }
  58
  59 usage() {
  60         printf "Usage: $0 [-check compiler options|-ccflags|-ldflags compiler options]\n"
  61 }
  62
  63 if [ $# -eq 0 ]; then
  64         usage
  65         exit 1
  66 fi
  67
  68 cc=""
  69 case "$1" in
  70         "-check")
  71                 shift
  72                 cc="$@"
  73                 check
  74                 ;;
  75         "-ccflags")
  76                 ccflags
  77                 ;;
  78         "-ldflags")
  79                 shift
  80                 cc="$@"
  81                 ldflags
  82                 ;;
  83         "*")
  84                 usage
  85                 exit 1
  86                 ;;
  87 esac