#! /bin/sh
#
# This forms the basis for the nc-config utility, which tells you
# various things about the netCDF installation. This code was
# contributed by netCDF user Arlindo DaSilva. Thanks Arlindo!

prefix=@prefix@
exec_prefix=@exec_prefix@
libdir=@libdir@
includedir=@includedir@

cc="@CC@"
cflags="-I${includedir} @CPPFLAGS@"
libs="-L${libdir} @NC_LIBS@"
libsprivate="@LIBS@"


has_dap="@HAS_DAP@"
has_dap4="@HAS_DAP4@"
has_nc2="@HAS_NC2@"
has_nc4="@HAS_NC4@"
has_hdf4="@HAS_HDF4@"
has_pnetcdf="@HAS_PNETCDF@"
has_hdf5="@HAS_HDF5@"
has_logging="@HAS_LOGGING@"
has_cdf5="@HAS_CDF5@"
has_szlib="@HAS_SZLIB@"
has_parallel="@HAS_PARALLEL@"
has_parallel4="@HAS_PARALLEL4@"
has_nczarr="@HAS_NCZARR@"
has_zstd="@HAS_ZSTD@"
has_benchmarks="@HAS_BENCHMARKS@"
version="@PACKAGE_NAME@ @PACKAGE_VERSION@"
HAS_STATIC=""


has_fortran="no"
has_f90="no"
has_f03="no"

nfconf=$(which nf-config 2>/dev/null)

if [ -f "$nfconf" ]; then
  has_fortran="yes"
  fc=`nf-config --fc`
  fflags=`nf-config --fflags`
  flibs=`nf-config --flibs`
  has_f90=`nf-config --has-f90`
  has_f03=`nf-config --has-f03`
fi

has_cxx="no"
has_cxx4="no"

ncxxconf=$(which ncxx-config 2>/dev/null)
ncxx4conf=$(which ncxx4-config 2>/dev/null)

if [ -f "$ncxx4conf" ]; then
  cxx4=`ncxx4-config --cxx`
  cxx4flags=`ncxx4-config --cflags`
  cxx4libs=`ncxx4-config --libs`
  has_cxx4="yes"
elif [ -f "$ncxxconf" ]; then
  cxx=`ncxx-config --cxx`
  cxxflags=`ncxx-config --cflags`
  cxxlibs=`ncxx-config --libs`
  has_cxx="yes"
fi

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

Available values for OPTION include:

  --help          display this help message and exit
  --all           display all options
  --cc            C compiler
  --cflags        pre-processor and compiler flags
  --has-c++       whether C++ API is installed
  --has-c++4      whether netCDF-4 C++ API is installed
  --has-fortran   whether Fortran API is installed
  --has-dap2      whether OPeNDAP (DAP2) is enabled in this build
  --has-dap4      whether DAP4 is enabled in this build
  --has-dap       same as --has-dap2 (Deprecated)
  --has-nc2       whether NetCDF-2 API is enabled
  --has-nc4       whether NetCDF-4/HDF-5 is enabled in this build
  --has-hdf5      whether HDF5 is used in build (always the same as --has-nc4)
  --has-hdf4      whether HDF4 was used in build
  --has-logging   whether logging is enabled with --enable-logging.
  --has-pnetcdf   whether PnetCDF was used in build
  --has-szlib     whether szlib is included in build
  --has-cdf5      whether cdf5 support is included in build
  --has-parallel4 whether has parallel IO support via HDF5
  --has-parallel  whether has parallel IO support via HDF5 or PnetCDF
  --has-nczarr    whether nczarr enabled
  --has-zstd      whether zstandard compression enabled
  --has-benchmarks whether benchmarks enabled
  --libs          library linking information for netcdf
  --static        library linking information for statically-compiled netcdf
  --prefix        Install prefix
  --includedir    Include directory
  --libdir        Library directory
  --version       Library version

EOF
if [ -f "$ncxx4conf" ]; then
    cat <<EOF
  --cxx4          C++ compiler for netCDF-4 C++ library
  --cxx4flags     flags needed to compile a C++ program
  --cxx4libs      libraries needed to link a C++ program
EOF
elif [ -f "$ncxxconf" ]; then
    cat <<EOF
  --cxx           C++ compiler
  --cxxflags      flags needed to compile a C++ program
  --cxxlibs       libraries needed to link a C++ program
EOF
fi
if [ -f "$nfconf" ]; then
    cat <<EOF
  --fc            Fortran compiler
  --fflags        flags needed to compile a Fortran program
  --flibs         libraries needed to link a Fortran program
  --has-f90       whether Fortran 90 API is installed
  --has-f03       whether Fortran 03 API is installed (implies F90).
EOF
fi
    exit $1
}

all()
{
        echo
        echo "This $version has been built with the following features: "
        echo
        echo "  --cc            -> $cc"
        echo "  --cflags        -> $cflags"
        echo "  --libs          -> $libs"
        echo "  --static        -> $libsprivate"
        echo
        echo "  --has-c++       -> $has_cxx"
        echo "  --cxx           -> $cxx"

if [ -f "$ncxxconf" ]; then
        echo "  --cxxflags      -> $cxxflags"
        echo "  --cxxlibs       -> $cxxlibs"
fi
        echo
        echo "  --has-c++4      -> $has_cxx4"
        echo "  --cxx4          -> $cxx4"
if [ -f "$ncxx4conf" ]; then
        echo "  --cxx4flags     -> $cxx4flags"
        echo "  --cxx4libs      -> $cxx4libs"
fi
        echo

        echo "  --has-fortran   -> $has_fortran"
if [ -f "$nfconf" ]; then
        echo "  --fc            -> $fc"
        echo "  --fflags        -> $fflags"
        echo "  --flibs         -> $flibs"
        echo "  --has-f90       -> $has_f90"
        echo "  --has-f03       -> $has_f03"
        echo
fi
        echo "  --has-dap       -> $has_dap"
        echo "  --has-dap2      -> $has_dap"
        echo "  --has-dap4      -> $has_dap4"
        echo "  --has-nc2       -> $has_nc2"
        echo "  --has-nc4       -> $has_nc4"
        echo "  --has-hdf5      -> $has_hdf5"
        echo "  --has-hdf4      -> $has_hdf4"
        echo "  --has-logging   -> $has_logging"
        echo "  --has-pnetcdf   -> $has_pnetcdf"
        echo "  --has-szlib     -> $has_szlib"
        echo "  --has-cdf5      -> $has_cdf5"
        echo "  --has-parallel4 -> $has_parallel4"
        echo "  --has-parallel  -> $has_parallel"
        echo "  --has-nczarr    -> $has_nczarr"
        echo "  --has-zstd      -> $has_zstd"
        echo "  --has-benchmarks -> $has_benchmarks"
        echo
        echo "  --prefix        -> $prefix"
        echo "  --includedir    -> $includedir"
        echo "  --libdir        -> $libdir"
        echo "  --version       -> $version"
        echo
}

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

for i in "$@"; do
    case $i in
        --static)
            HAS_STATIC="TRUE"
            ;;
        *)
            ;;
    esac
done


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
        ;;

    --cflags)
        echo $cflags
        ;;

    --has-dap)
        echo $has_dap
        ;;

    --has-dap2)
        echo $has_dap
        ;;

    --has-dap4)
        echo $has_dap4
        ;;

    --has-nc2)
        echo $has_nc2
        ;;

    --has-nc4)
        echo $has_nc4
        ;;

    --has-hdf5)
        echo $has_hdf5
        ;;

    --has-hdf4)
        echo $has_hdf4
        ;;

    --has-logging)
        echo $has_logging
        ;;

    --has-pnetcdf)
        echo $has_pnetcdf
        ;;

    --has-szlib)
        echo $has_szlib
        ;;

    --has-cdf5)
        echo $has_cdf5
        ;;

    --has-parallel4)
        echo $has_parallel4
        ;;

    --has-parallel)
        echo $has_parallel
        ;;

    --has-nczarr)
        echo $has_nczarr
        ;;

    --has-zstd)
        echo $has_zstd
        ;;

    --has-benchmarks)
        echo $has_benchmarks
        ;;

    --libs)
        if [ "x$HAS_STATIC" = "xTRUE" ]; then
            echo $libs $libsprivate
        else
            echo $libs
        fi
        ;;
     --static)

         ;;

    --prefix)
        echo "${prefix}"
        ;;

    --includedir)
        echo "${includedir}"
        ;;

    --libdir)
        echo "${libdir}"
        ;;

    --version)
        echo $version
        ;;

    --has-c++)
        echo $has_cxx
        ;;

    --cxx)
        echo $cxx
        ;;

    --cxxflags)
        echo $cxxflags
        ;;

    --cxxlibs)
        echo $cxxlibs
        ;;

    --has-c++4)
        echo $has_cxx4
        ;;

    --cxx4)
        echo $cxx4
        ;;

    --cxx4flags)
        echo $cxx4flags
        ;;

    --cxx4libs)
        echo $cxx4libs
        ;;

    --has-fortran)
        echo $has_fortran
        ;;

    --fc)
        echo $fc
        ;;

    --fflags)
        echo $fflags
        ;;

    --flibs)
        echo $flibs
        ;;

    --has-f90)
        echo $has_f90
        ;;

    --has-f03)
        echo $has_f03
        ;;

    *)
        echo "unknown option: $1"
        usage 1
        ;;
    esac
    shift
done

exit 0