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# -*- shell-script -*-
#
# This file is part of the HDF4 build script. It is processed shortly
# after configure starts and defines, among other things, flags for
# the various compilation modes.
#
# Prepend `$srcdir/config/intel-warnings/` to the filename suffix(es) given as
# subroutine argument(s), remove comments starting with # and ending
# at EOL, replace spans of whitespace (including newlines) with spaces,
# and re-emit the file(s) thus filtered on the standard output stream.
#
load_intel_arguments()
{
set -- $(for arg; do
sed 's,#.*$,,' $srcdir/config/intel-warnings/${arg}
done)
IFS=' ' echo "$*"
}
# Get the compiler version in a way that works for icc
# icc unless a compiler version is already known
#
# cc_vendor: The compiler name: icc
# cc_version: Version number: 8.0
#
if test X = "X$cc_flags_set"; then
cc_version="`$CC $CFLAGS -V 2>&1 |grep 'Version'`"
if test X != "X$cc_version"; then
cc_vendor=icc
cc_version=`echo $cc_version |sed 's/.*Version \([-a-z0-9\.\-]*\).*/\1/'`
echo "compiler '$CC' is Intel $cc_vendor-$cc_version"
# Some version numbers
# Intel version numbers are of the form: "major.minor"
cc_vers_major=`echo $cc_version | cut -f1 -d.`
cc_vers_minor=`echo $cc_version | cut -f2 -d.`
#cc_vers_patch=`echo $cc_version | cut -f2 -d.`
test -n "$cc_vers_major" || cc_vers_major=0
test -n "$cc_vers_minor" || cc_vers_minor=0
test -n "$cc_vers_patch" || cc_vers_patch=0
cc_vers_all=`expr $cc_vers_major '*' 1000000 + $cc_vers_minor '*' 1000 + $cc_vers_patch`
fi
fi
# Common Intel flags for various situations
if test "X-icc" = "X-$cc_vendor"; then
# -diag-disable=10441 disables the icc deprecation message
CFLAGS="$CFLAGS -std=c99 -Wall -diag-disable=10441"
CFLAGS="$CFLAGS -Wno-error=implicit-function-declaration"
DEBUG_CFLAGS="-g"
DEBUG_CPPFLAGS=
PROD_CFLAGS="-O3"
PROD_CPPFLAGS=
PROFILE_CFLAGS="-pg"
PROFILE_CPPFLAGS=
# Add various general warning flags in intel-warnings.
CFLAGS="$CFLAGS $(load_intel_arguments classic/general)"
#############################
# Version-specific warnings #
#############################
# intel >= 15
if test $cc_vers_major -ge 15; then
CFLAGS="$CFLAGS $(load_intel_arguments classic/15)"
fi
# intel >= 18
if test $cc_vers_major -ge 18; then
CFLAGS="$CFLAGS $(load_intel_arguments classic/18)"
fi
#################
# Flags are set #
#################
cc_flags_set=yes
fi
# Clear cc info if no flags set
if test "X-$cc_flags_set" = "X-"; then
cc_vendor=
cc_version=
fi
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