scripts/config/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 pkg-config --cflags ncursesw 2>/dev/null; then
  25                 echo '-DCURSES_LOC="<ncurses.h>" -DNCURSES_WIDECHAR=1'
  26         elif pkg-config --cflags ncurses 2>/dev/null; then
  27                 echo '-DCURSES_LOC="<ncurses.h>"'
  28         elif [ -f /usr/include/ncursesw/curses.h ]; then
  29                 echo '-I/usr/include/ncursesw -DCURSES_LOC="<curses.h>"'
  30                 echo ' -DNCURSES_WIDECHAR=1'
  31         elif [ -f /usr/include/ncurses/ncurses.h ]; then
  32                 echo '-I/usr/include/ncurses -DCURSES_LOC="<ncurses.h>"'
  33         elif [ -f /usr/include/ncurses/curses.h ]; then
  34                 echo '-I/usr/include/ncurses -DCURSES_LOC="<curses.h>"'
  35         elif [ -f /usr/include/ncurses.h ]; then
  36                 echo '-DCURSES_LOC="<ncurses.h>"'
  37         else
  38                 echo '-DCURSES_LOC="<curses.h>"'
  39         fi
  40 }
  41
  42 # Temp file, try to clean up after us
  43 tmp=.lxdialog.tmp
  44 trap "rm -f $tmp" 0 1 2 3 15
  45
  46 # Check if we can link to ncurses
  47 check() {
  48         $cc -x c - -o $tmp 2>/dev/null <<'EOF'
  49 #include CURSES_LOC
  50 main() {}
  51 EOF
  52         if [ $? != 0 ]; then
  53             echo " *** Unable to find the ncurses libraries or the"       1>&2
  54             echo " *** required header files."                            1>&2
  55             echo " *** 'make menuconfig' requires the ncurses libraries." 1>&2
  56             echo " *** "                                                  1>&2
  57             echo " *** Install ncurses (ncurses-devel) and try again."    1>&2
  58             echo " *** "                                                  1>&2
  59             exit 1
  60         fi
  61 }
  62
  63 usage() {
  64         printf "Usage: $0 [-check compiler options|-ccflags|-ldflags compiler options]\n"
  65 }
  66
  67 if [ $# -eq 0 ]; then
  68         usage
  69         exit 1
  70 fi
  71
  72 cc=""
  73 case "$1" in
  74         "-check")
  75                 shift
  76                 cc="$@"
  77                 check
  78                 ;;
  79         "-ccflags")
  80                 ccflags
  81                 ;;
  82         "-ldflags")
  83                 shift
  84                 cc="$@"
  85                 ldflags
  86                 ;;
  87         "*")
  88                 usage
  89                 exit 1
  90                 ;;
  91 esac