File: pgi-fflags

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#							-*- 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 files COPYING and Copyright.html.  COPYING can be found at the root
# of the source code distribution tree; Copyright.html can be found at the
# root level of an installed copy of the electronic HDF5 document set and
# is linked from the top-level documents page.  It can also be found at
# http://hdfgroup.org/HDF5/doc/Copyright.html.  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
# PGI pgf90 compiler or a derivative.  It is careful not to do anything
# if the compiler is not PGI; otherwise `f9x_flags_set' is set to `yes'
#

# Get the compiler version in a way that works for pgf90
# pgf90 unless a compiler version is already known
#
#   f9x_vendor:    The compiler name: pgf90
#   f9x_version:   Version number: 5.0-2, 5.2-2
#
if test X = "X$f9x_flags_set"; then
    f9x_version="`$FC $FCFLAGS -V 2>&1 |grep '^pgf90 '`"
    if test X != "X$f9x_version"; then
        is_mpi="`$FC $FCFLAGS -help 2>&1 |grep 'link MPI'`"
        f9x_vendor=`echo $f9x_version |sed 's/\([a-z0-9]*\).*/\1/'`
        f9x_version=`echo $f9x_version |sed 's/pgf90 \([-a-z0-9\.\-]*\).*/\1/'`
        echo "compiler '$FC' is PGI $f9x_vendor-$f9x_version"

        # Some version numbers
        # PGI version numbers are of the form: "major.minor-patch"
        f9x_vers_major=`echo $f9x_version | cut -f1 -d.`
        f9x_vers_minor=`echo $f9x_version | cut -f2 -d. | cut -f1 -d-`
        f9x_vers_patch=`echo $f9x_version | cut -f2 -d. | cut -f2 -d-`
        test -n "$f9x_vers_major" || f9x_vers_major=0
        test -n "$f9x_vers_minor" || f9x_vers_minor=0
        test -n "$f9x_vers_patch" || f9x_vers_patch=0
        f9x_vers_all=`expr $f9x_vers_major '*' 1000000 + $f9x_vers_minor '*' 1000 + $f9x_vers_patch`
    fi
fi

# Common PGI flags for various situations
if test "X-pgf90" = "X-$f9x_vendor"; then
    # Insert section about version specific problems from gnu-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
    FC_BASENAME=pgf90
    F9XSUFFIXFLAG=""
    FSEARCH_DIRS=""
    # Uncomment the following to add something specific for FCFLAGS.
    #FCFLAGS="$FCFLAGS"

    # Production
    # Check for MPI wrapper being used and tweak down compiler options
    # Comment out the Tweaking since it caused problems to mpich1.2.6.
    # Need to investigate the reasons to tweak.
    #if test "X-" == "X-$is_mpi"; then
    #    PROD_FCFLAGS="-fast -s -Mnoframe"
    #else
    #    PROD_FCFLAGS="-O2 -s"
    #fi
    PROD_FCFLAGS="-fast -s -Mnoframe"

    # Debug
    DEBUG_FCFLAGS="-g -Mbounds -Mchkptr -Mdclchk"

    # Profile
    PROFILE_FCFLAGS="-g -Mprof=func,line"
    # Use this for profiling with gprof
    #PROFILE_FCFLAGS="-g -pg"

    # Flags are set
    f9x_flags_set=yes
fi

# Clear f9x info if no flags set
if test "X-$f9x_flags_set" = "X-"; then
  f9x_vendor=
  f9x_version=
fi