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