/usr/bin/nf-config is in libnetcdff-dev 4.4.4+ds-3.
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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 | #! /bin/sh
#
# This forms the basis for the nf-config utility, which tells you
# various things about the netCDF fortran installation.
prefix=/usr
exec_prefix=${prefix}
libdir=${exec_prefix}/lib
includedir=${prefix}/include
cc="gcc"
fc="gfortran"
cflags=" -I${includedir} -Wdate-time -D_FORTIFY_SOURCE=2" 
fflags="-I${includedir}"
has_dap="yes"
has_nc2="yes"
has_nc4="yes"
has_f90="no"
has_f03="yes"
flibs="-L${libdir} -lnetcdff -Wl,-Bsymbolic-functions -Wl,-z,relro -Wl,-z,now -lnetcdf -lnetcdf "
version="netCDF-Fortran 4.4.4"
usage()
{
    cat <<EOF
Usage: nf-config [OPTION]
Available values for OPTION include:
  --help        display this help message and exit
  --all         display all options
  --cc          C compiler
  --fc          Fortran compiler
  --cflags      pre-processor and compiler flags
  --fflags      flags needed to compile a Fortran program
  --has-dap     whether OPeNDAP is enabled in this build
  --has-nc2     whether NetCDF-2 API is enabled
  --has-nc4     whether NetCDF-4/HDF-5 is enabled in this build
  --has-f90     whether Fortran 90 API is enabled in this build
  --has-f03     whether Fortran 2003 API is enabled in this build
  --flibs       libraries needed to link a Fortran program
  --prefix      Install prefix
  --includedir  Include directory
  --version     Library version
EOF
    exit $1
}
all()
{
        echo
        echo "This $version has been built with the following features: "
        echo
        echo "  --cc        -> $cc"
        echo "  --cflags    -> $cflags"
        echo
        echo "  --fc        -> $fc"
        echo "  --fflags    -> $fflags"
        echo "  --flibs     -> $flibs"
        echo "  --has-f90   -> $has_f90"
        echo "  --has-f03   -> $has_f03"
        echo
        echo "  --has-nc2   -> $has_nc2"
        echo "  --has-nc4   -> $has_nc4"
	echo
        echo "  --prefix    -> $prefix"
        echo "  --includedir-> $includedir"
        echo "  --version   -> $version"
        echo
}
if test $# -eq 0; then
    usage 1
fi
while test $# -gt 0; do
    case "$1" in
    # this deals with options in the style
    # --option=value and extracts the value part
    # [not currently used]
    -*=*) value=`echo "$1" | sed 's/[-_a-zA-Z0-9]*=//'` ;;
    *) value= ;;
    esac
    case "$1" in
    --help)
	usage 0
	;;
    --all)
	all
	;;
    --cc)
	echo $cc
	;;
    --fc)
	echo $fc
	;;
    --cflags)
	echo $cflags
	;;
    --fflags)
	echo $fflags
	;;
    --has-dap)
       	echo $has_dap
       	;;
    --has-nc2)
       	echo $has_nc2
       	;;
    --has-nc4)
       	echo $has_nc4
       	;;
    --has-f90)
       	echo $has_f90
       	;;
    --has-f03)
       	echo $has_f03
       	;;
    --flibs)
       	echo $flibs
       	;;
    --prefix)
       	echo "${prefix}"
       	;;
    --includedir)
       	echo "${includedir}"
       	;;
    --version)
	echo $version
	;;
    *)
        echo "unknown option: $1"
	usage
	exit 1
	;;
    esac
    shift
done
exit 0
 |