#! /bin/sh

# libpng-config
# provides configuration info for libpng.

# Copyright (C) 2002 Glenn Randers-Pehrson
# For conditions of distribution and use, see copyright notice in png.h

# Modeled after libxml-config, fixed to handle --prefix properly.

prefix=@PREFIX@
exec_prefix=${prefix}
includedir=${prefix}/include

usage()
{
    cat <<EOF
Usage: libpng-config [OPTION] ...

Known values for OPTION are:

  --prefix=DIR          change libpng prefix [default $prefix]
  --libs                print library linking information
  --cflags              print compiler flags
  --cppflags            print pre-processor flags
  --ldflags             print loader flags
  --help                display this help and exit
  --version             output version information
EOF

    exit $1
}

if test $# -eq 0; then
    usage 1
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
        exec_prefix=${prefix}
        includedir=${prefix}/include
        ;;

    --prefix)
        echo $prefix
        ;;

    --version)
        echo 1.2.3rc5
        exit 0
        ;;

    --help)
        usage 0
        ;;

    --cflags)
        echo #CFLAGS
        ;;

    --cppflags)
        echo -I${includedir}/libpng12 #CPPFLAGS
        ;;

    --libs)
        echo -lpng12 -lz #LIBS
        ;;

    --ldflags)
        echo -L${exec_prefix}/lib #LDFLAGS
        ;;

    *)
        usage
        exit 1
        ;;
    esac
    shift
done

exit 0