#!/bin/sh
#    Copyright (C) 1999, 2002, 2011 Free Software Foundation, Inc.
#
# This file is free software; as a special exception the author gives
# unlimited permission to copy and/or distribute it, with or without
# modifications, as long as this notice is preserved.
#
# This file is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY, to the extent permitted by law; without even the
# implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

PGM=ksba-config
libs="-lksba -lgpg-error"
cflags=" "
prefix=/usr
exec_prefix=${prefix}
api_version="1"
my_host="x86_64-pc-linux-gnu"

includes=""
libdirs=""
exec_prefix_set=no
echo_libs=no
echo_cflags=no
echo_prefix=no
echo_exec_prefix=no
echo_api_version=no
echo_host=no


usage()
{
	cat <<EOF
Usage: $PGM [OPTIONS]
Options:
	[--prefix[=DIR]]
	[--exec-prefix[=DIR]]
	[--version]
        [--api-version]
	[--libs]
	[--cflags]
        [--host]
EOF
	exit $1
}

if test $# -eq 0; then
	usage 1 1>&2
fi

while test $# -gt 0; do
  case "$1" in
  -*=*) optarg=`echo "$1" | sed 's/[-_a-zA-Z0-9]*=//'` ;;
  *) optarg= ;;
  esac

  case $1 in
    --prefix=*)
      prefix=$optarg
      if test $exec_prefix_set = no ; then
	exec_prefix=$optarg
      fi
      ;;
    --prefix)
      echo_prefix=yes
      ;;
    --exec-prefix=*)
      exec_prefix=$optarg
      exec_prefix_set=yes
      ;;
    --exec-prefix)
      echo_exec_prefix=yes
      ;;
    --variable=*)
	case "${1#*=}" in
	    prefix) echo "$prefix" ;;
	    exec_prefix) echo "$exec_prefix" ;;
	    host) echo "$my_host" ;;
	    api_version) echo "$api_version" ;;
	esac
	exit 0
	;;
    --modversion|--version)
      echo "1.6.0"
      exit 0
      ;;
    --api-version)
      echo_api_version=yes
      ;;
    --cflags)
      echo_cflags=yes
      ;;
    --libs)
      echo_libs=yes
      ;;
    --host)
      echo_host=yes
      ;;
    *)
      usage 1 1>&2
      ;;
  esac
  shift
done

if test "$echo_prefix" = "yes"; then
    echo $prefix
fi

if test "$echo_exec_prefix" = "yes"; then
    echo $exec_prefix
fi

if test "$echo_api_version" = "yes"; then
    echo "$api_version"
fi

if test "$echo_host" = "yes"; then
    echo "$my_host"
fi

if test "$echo_cflags" = "yes"; then
    includes=""
    if test "${prefix}/include" != "/usr/include" ; then
      includes="-I${prefix}/include"
    fi
    tmp=""
    for i in $includes $cflags; do
       if echo "$tmp" | fgrep -v -- "$i" >/dev/null; then
           tmp="$tmp $i"
       fi
    done
    echo $tmp
fi

if test "$echo_libs" = "yes"; then
    libdirs=""
    if test "${exec_prefix}/lib" != "/usr/lib" ; then
      libdirs="-L${exec_prefix}/lib"
    fi
    tmp=""
    for i in $libdirs $libs; do
       if echo "$tmp" | fgrep -v -- "$i" >/dev/null; then
           tmp="$tmp $i"
       fi
    done
    echo $tmp
fi