#							-*- shell-script -*-
#
# Copyright by The HDF Group.
# Copyright by the Board of Trustees of the University of Illinois.
# All rights reserved.
#
# This file is part of HDF5.  The full HDF5 copyright notice, including
# terms governing use, modification, and redistribution, is contained in
# the COPYING file, which can be found at the root of the source code
# distribution tree, or in https://support.hdfgroup.org/ftp/HDF5/releases.
# If you do not have access to either file, you may request a copy from
# help@hdfgroup.org.


# This file should be sourced into configure if the compiler is the
# Intel icc compiler or a derivative.  It is careful not to do anything
# if the compiler is not Intel; otherwise `cxx_flags_set' is set to `yes'
#

# Get the compiler version in a way that works for icpc
# icpc unless a compiler version is already known
#
#   cxx_vendor:    The compiler name: icpc
#   cxx_version:   Version number: 18.0.1
#
if test X = "X$cxx_flags_set"; then
    cxx_version="`$CXX $CXXFLAGS $H5_CXXFLAGS -V 2>&1 |grep 'Version'`"
    if test X != "X$cxx_version"; then
        cxx_vendor=icpc
        cxx_version=`echo $cxx_version |sed 's/.*Version \([-a-z0-9\.\-]*\).*/\1/'`
        echo "compiler '$CXX' is Intel $cxx_vendor-$cxx_version"

        # Some version numbers
        # Intel version numbers are of the form: "major.minor"
        cxx_vers_major=`echo $cxx_version | cut -f1 -d.`
        cxx_vers_minor=`echo $cxx_version | cut -f2 -d.`
        cxx_vers_patch=`echo $cxx_version | cut -f3 -d.`
        test -n "$cxx_vers_major" || cxx_vers_major=0
        test -n "$cxx_vers_minor" || cxx_vers_minor=0
        test -n "$cxx_vers_patch" || cxx_vers_patch=0
    fi
fi

# Common Intel flags for various situations
if test "X-icpc" = "X-$cxx_vendor"; then
    # Insert section about version specific problems from compiler flags here,
    # if necessary.

    arch=
    # Architecture-specific flags
    # Nothing currently. (Uncomment code below and modify to add any)
    #case "$host_os-$host_cpu" in
    #    *-i686)
    #        arch="-march=i686"
    #        ;;
    #esac

    # Host-specific flags
    # Nothing currently. (Uncomment code below and modify to add any)
    #case "`hostname`" in
    #    sleipnir.ncsa.uiuc.edu)
    #        arch="$arch -pipe"
    #        ;;
    #esac

    # General
    # Default to C99 standard.
    H5_CFLAGS="$H5_CFLAGS $arch -std=c99 -Wcheck -Wall"

    # Production
    PROD_CFLAGS=

    # Debug
    # NDEBUG is handled explicitly in configure
    DEBUG_CFLAGS=

    # Symbols
    SYMBOLS_CFLAGS="-g"
    NO_SYMBOLS_CFLAGS="-Wl,-s"

    # Profiling
    # Use this for profiling with gprof
    PROFILE_CFLAGS="-p"

    # Optimization
    HIGH_OPT_CFLAGS="-O3"
    DEBUG_OPT_CFLAGS="-O0"
    NO_OPT_CFLAGS="-O0"

    # Flags are set
    cxx_flags_set=yes

fi

# Version specific ICC flags
# TODO

# Clear cxx info if no flags set
if test "X-$cxx_flags_set" = "X-"; then
    cxx_vendor=
    cxx_version=
fi