#!/bin/sh
#
# This script is part of SANE, <URL:http://www.sane-project.org/>
#
# Send bugreports and other requests to sane-devel@alioth-lists.debian.net

PACKAGE="sane-backends"
scriptname="sane-config"

prefix="/usr/local"
exec_prefix="${prefix}"

# using our installed *.pc only - neither default nor user paths
export PKG_CONFIG_LIBDIR="${exec_prefix}/lib/pkgconfig"
export PKG_CONFIG_PATH=""

pkgconfig_package=sane-backends

usage ()
{
  echo "Usage: "  1>&2
  echo "$scriptname --version         - show installed script and SANE version"  1>&2
  echo "$scriptname --ldflags         - linker flags required to link with SANE"  1>&2
  echo "$scriptname --libs            - libraries required to link with SANE"  1>&2
  echo "$scriptname --cflags          - compiler flags required to find SANE headers"  1>&2
  echo "$scriptname --help            - show usage info (this message)          "  1>&2
  echo "$scriptname --help SUBCOMMAND - show help for SUBCOMMAND                "  1>&2
  echo "$scriptname --prefix          - prefix used during SANE compile"  1>&2
  echo "$scriptname --exec-prefix     - exec-prefix used during SANE compile"  1>&2
}

if test $# -eq 0; then
      usage
      exit 1
fi

if test $# -gt 0; then
  case $1 in
    --version)
      echo 1.4.0
      ;;
    --help)
      if test $# -eq 1; then
        usage
      elif test $# -eq 2; then
        case $2 in
          --cflags)
            echo "Usage: $0 --cflags"
            echo "  Print C compiler flags for compiling code that uses SANE."
            echo "  This includes any \`-I' flags needed to find Sane's header files."
            ;;
          --ldflags)
            echo "Usage: $0 --ldflags"
            echo "  Print linker flags for building the \`$PACKAGE' executable."
            echo "  Print the linker command-line flags necessary to link against"
            echo "  the SANE library.  The libraries are listed with --libs."
            ;;
          --libs)
            echo "Usage: $0 --libs"
            echo "  Print linker flags for building the \`$PACKAGE' executable."
            echo "  Print the linker command-line flags necessary to link against"
            echo "  the SANE library, and any other libraries it requires."
            ;;
        esac
      else
        usage
      fi
      exit 1
      ;;
    --ldflags)
      pkg-config --libs-only-L "$pkgconfig_package"
      ;;
    --libs)
      pkg-config --libs "$pkgconfig_package"
      ;;
    --cflags)
      pkg-config --cflags "$pkgconfig_package"
      ;;
    --prefix)
      echo "${prefix}"
      ;;
    --exec-prefix)
      echo "${exec_prefix}"
      ;;
    *)
      usage
      exit 1
      ;;
  esac
fi
