hdf5/config/intel-flags
2020-01-17 13:14:06 -06:00

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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 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 `cc_flags_set' is set to `yes'
#
#
# Prepend `$srcdir/config/intel-` 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 -- $(for arg; do
sed 's,#.*$,,' $srcdir/config/intel-${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 $H5_CFLAGS -V 2>&1 |grep 'Version'`"
if test X != "X$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
# 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 $arch -std=c99"
H5_CFLAGS="$H5_CFLAGS $(load_intel_arguments warnings-general)"
# Production
PROD_CFLAGS=
# Debug
# NDEBUG is handled explicitly in configure
DEBUG_CFLAGS=
# Symbols
SYMBOLS_CFLAGS="-g"
NO_SYMBOLS_CFLAGS="-Wl,-s"
# Profiling
# Use this for profiling with gprof
PROFILE_CFLAGS="-p"
# Optimization
HIGH_OPT_CFLAGS="-O3"
DEBUG_OPT_CFLAGS="-O0"
NO_OPT_CFLAGS="-O0"
# Flags are set
cc_flags_set=yes
fi
# Version specific ICC flags
#
# Please follow the pattern below by adding new versions at the top, copying
# the information from the previous version and adding modifications to that.
# The default at the bottom will apply if no earlier version matches.
case "$cc_vendor-$cc_version" in
icc-1[5-6]*)
H5_CFLAGS="$H5_CFLAGS -Wcomment -Wdeprecated -Wextra-tokens -Wformat -Wformat-security -Wmain -Wmissing-declarations -Wmissing-prototypes -Wp64 -Wpointer-arith -Wreturn-type -Wshadow -Wstrict-prototypes -Wtrigraphs -Wuninitialized -Wunknown-pragmas -Wunused-function -Wunused-variable -Wwrite-strings"
;;
icc-10*)
HIGH_OPT_CFLAGS="-O1"
;;
icc-8.0*)
# v8.0 -O3 infinite loops when compiling test/tselect.c. Use -O2.
HIGH_OPT_CFLAGS="-O2"
;;
icc-*)
;;
esac
# Clear cc info if no flags set
if test "X-$cc_flags_set" = "X-"; then
cc_vendor=
cc_version=
fi