/usr/bin/avifile-config is in libavifile-0.7-dev 1:0.7.48~20090503.ds-14build1.
This file is owned by root:root, with mode 0o755.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133  | #!/bin/sh
# avifile-config
#
# Tool for retrieving the library/include paths avifile was compiled with.
#
# Written by Zdenek Kabelac kabi@user.sf.net
#
# This work is released under the GNU GPL, version 2 or later.
prefix="/usr"
exec_prefix="${prefix}"
exec_prefix_set=no
datarootdir="${prefix}/share"
datadir="${datarootdir}/avifile-0.7"
version="0.7.48"
include_dir="${prefix}/include/avifile-0.7"
lib_dir="${prefix}/lib/x86_64-linux-gnu"
usage()
{
    cat <<EOF
Usage: avifile-config [OPTIONS]
Options:
    [--prefix[=DIR]]
    [--exec-prefix[=DIR]]
    [--libs]
    [--cflags]
    [--data-dir]
    [--data-root-dir]
    [--version]
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=$optarg
	    exec_prefix_set=yes
	    ;;
	--exec-prefix)
	    echo_exec_prefix=yes
	    ;;
	--cflags)
	    echo_cflags=yes
	    ;;
	--libs)
	    echo_libs=yes
	    ;;
	--data-dir)
	    echo_data_dir=yes
	    ;;
	--data-root-dir)
	    echo_data_root_dir=yes
	    ;;
	--version)
	    echo_version=yes
	    ;;
	*)
	    usage 1 1>&2
	    ;;
    esac
    shift
done
if test "$include_dir" != "/usr/include"; then
    cflags="-I$include_dir"
else
    cflags=""
fi
libs="-laviplay"
#libs="-L$lib_dir -Wl,-rpath,${exec_prefix}/lib -laviplay"
if test "$lib_dir" != "/usr/lib"; then
    libs="-L$lib_dir $libs"
fi
if test "$echo_prefix" = "yes"; then
    echo $prefix
fi
if test "$echo_exec_prefix" = "yes"; then
    echo $exec_prefix
fi
if test "$echo_cflags" = "yes"; then
    echo $cflags
fi
if test "$echo_libs" = "yes"; then
    echo $libs
fi
if test "$echo_data_dir" = "yes"; then
    echo $data_dir
fi
if test "$echo_data_root_dir" = "yes"; then
    echo $datarootdir
fi
if test "$echo_version" = "yes"; then
    echo $version
fi
 |