This file is indexed.

/usr/bin/libpng16-config is in libpng-dev 1.6.28-1.

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
#! /bin/sh

# libpng-config
# provides configuration info for libpng.

# Copyright (C) 2002, 2004, 2006, 2007 Glenn Randers-Pehrson

# This code is released under the libpng license.
# For conditions of distribution and use, see the disclaimer
# and license in png.h

# Modeled after libxml-config.

version="1.6.28"
prefix="/usr"
exec_prefix="${prefix}"
# we disable that to make the -dev package Multi-Arch: same
libdir=
includedir="${prefix}/include/libpng16"
libs="-lpng16"
all_libs="-lpng16 -lm -lz -lm "
I_opts="-I${includedir}"
L_opts=
R_opts=""
cppflags=""
ccopts=""
ldopts=""

usage()
{
    cat <<EOF
Usage: $0 [OPTION] ...

Known values for OPTION are:

  --prefix        print libpng prefix
  --libdir        print path to directory containing library (disabled in Debian/Ubuntu)
  --libs          print library linking information
  --ccopts        print compiler options
  --cppflags      print pre-processor flags
  --cflags        print preprocessor flags, I_opts, and compiler options
  --I_opts        print "-I" include options
  --L_opts        print linker "-L" flags for dynamic linking
  --R_opts        print dynamic linker "-R" or "-rpath" flags
  --ldopts        print linker options
  --ldflags       print linker flags (ldopts, L_opts, R_opts, and libs)
  --static        revise subsequent outputs for static linking
  --help          print this help and exit
  --version       print version information
EOF

    exit $1
}

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

while test $# -gt 0; do
    case "$1" in

    --prefix)
        echo ${prefix}
        ;;

    --version)
        echo ${version}
        exit 0
        ;;

    --help)
        usage 0
        ;;

    --ccopts)
        echo ${ccopts}
        ;;

    --cppflags)
        echo ${cppflags}
        ;;

    --cflags)
        echo ${I_opts} ${cppflags} ${ccopts}
        ;;

    --libdir)
        echo >&1 "$(basename $0): --libdir option is disabled in Debian/Ubuntu"
	exit 1
        echo ${libdir}
        ;;

    --libs)
        echo ${libs}
        ;;

    --I_opts)
        echo ${I_opts}
        ;;

    --L_opts)
        echo ${L_opts}
        ;;

    --R_opts)
        echo ${R_opts}
        ;;

    --ldopts)
        echo ${ldopts}
        ;;

    --ldflags)
        echo ${ldopts} ${L_opts} ${R_opts} ${libs}
        ;;

    --static)
        R_opts=""
        libs=${all_libs}
        ;;

    *)
        usage
        exit 1
        ;;
    esac
    shift
done

exit 0