# -*- 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' # # 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:--std=c99 $arch}" # Production is set to default; see settings for specific version further down PROD_CFLAGS="-O" PROD_CPPFLAGS= # Debug DEBUG_CFLAGS="-Wcheck -Wall -g -O0" DEBUG_CPPFLAGS= # Profile # Use this for profiling with gprof PROFILE_CFLAGS="-g -p" PROFILE_CPPFLAGS= # Flags are set cc_flags_set=yes fi # Version specific ICC flags # # Please follow the pattern below by adding new versions at the top, copying # the information from the previous version and adding modifications to that. # The default at the bottom will apply if no earlier version matches. case "$cc_vendor-$cc_version" in icc-10*) PROD_CFLAGS="-O1 -Wl,-s" ;; icc-8.0*) # v8.0 -O3 infinite loops when compiling test/tselect.c. Use -O2. PROD_CFLAGS="-O2 -Wl,-s" ;; icc-*) # -s became obsolete; we also fixed bugs that allow us to enable higher level # of optimization starting with 1.8.7 PROD_CFLAGS="-O3" ;; esac # Clear cc info if no flags set if test "X-$cc_flags_set" = "X-"; then cc_vendor= cc_version= fi