#!/bin/sh

glib_libs="-L/usr/local/lib -lglib"
glib_cflags="-I/usr/local/include/glib-1.2 -I/usr/local/lib/glib/include"

prefix=/usr/local
exec_prefix=${prefix}
exec_prefix_set=no

usage()
{
	cat <<EOF
Usage: xdelta-config [OPTIONS] [LIBRARIES]
Options:
	[--prefix[=DIR]]
	[--exec-prefix[=DIR]]
	[--version]
	[--libs]
	[--cflags]
Libraries:
	xdelta
EOF
	exit $1
}

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

lib_xdelta=yes

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
      ;;
    --version)
# $Format: "      echo $ReleaseVersion$" $ */
      echo 1.1.3
      exit 0
      ;;
    --cflags)
      echo_cflags=yes
      ;;
    --libs)
      echo_libs=yes
      ;;
    xdelta)
      lib_xdelta=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_cflags" = "yes"; then
	if test ${prefix}/include != /usr/include ; then
	  includes=-I${prefix}/include
	  for i in $glib_cflags ; do
	    if test $i = -I${prefix}/include ; then
	      includes=""
	    fi
	  done
	fi
	echo $includes $glib_cflags
fi

if test "$echo_libs" = "yes"; then
	libdirs=-L${exec_prefix}/lib
	libsp=""
	if test "$lib_xdelta" = "yes"; then
	  my_glib_libs=
	  for i in $glib_libs ; do
	    if test $i != -L${exec_prefix}/lib ; then
	      if test -z "$my_glib_libs" ; then
		my_glib_libs="$i"
	      else
		my_glib_libs="$my_glib_libs $i"
	      fi
	    fi
	  done

	  libsp="$libsp -lxdelta -ledsio $my_glib_libs"
	fi

	echo $libdirs $libsp
fi