vchoi_fork

#                           -*- 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

# GNU gcc compiler or a derivative.  It is careful not to do anything

# if the compiler is not GNU; otherwise `cc_flags_set' is set to `yes'

#

​

# Get the compiler version in a way that works for gcc

# unless a compiler version is already known

#

#   cc_vendor:    The compiler name: gcc

#   cc_version:   Version number: 2.91.60, 2.7.2.1

#

if test X = "X$cc_flags_set"; then

    # PathScale compiler spits out gcc version string too. Need to

    # filter it out.

    # icc beginning with version 12 includes a "gcc version compatiblilty"

    # string, causing the gcc H5_CFLAGS to be erroneously added.  The line

    # "grep -v 'icc version'" causes the discarding of any output

    # containing 'icc version'.  The cc_version for icc is correctly determined

    # and flags added in the intel-flags script.

    cc_version="`$CC $CFLAGS $H5_CFLAGS -v 2>&1 | grep -v 'PathScale' |\

        grep -v 'icc version' |\

        grep 'gcc version' | sed 's/.*gcc version \([-a-z0-9\.]*\).*/\1/'`"

    cc_vendor=`echo $cc_version |sed 's/\([a-z]*\).*/\1/'`

    cc_version=`echo $cc_version |sed 's/[-a-z]//g'`

    if test X = "X$cc_vendor" -a X != "X$cc_version"; then

    cc_vendor=gcc

    fi

    if test "-" != "$cc_vendor-$cc_version"; then

    echo "compiler '$CC' is GNU $cc_vendor-$cc_version"

    fi

​

    # Some version numbers

    cc_vers_major=`echo $cc_version | cut -f1 -d.`

    cc_vers_minor=`echo $cc_version | cut -f2 -d.`

    cc_vers_patch=`echo $cc_version | cut -f3 -d.`

    test -n "$cc_vers_major" || cc_vers_major=0

    test -n "$cc_vers_minor" || cc_vers_minor=0