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#                           -*- shell-script -*-
 
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#
 
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# Copyright by The HDF Group.
 
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# Copyright by the Board of Trustees of the University of Illinois.
 
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# All rights reserved.
 
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#
 
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# This file is part of HDF5.  The full HDF5 copyright notice, including
 
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# terms governing use, modification, and redistribution, is contained in
 
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# the COPYING file, which can be found at the root of the source code
 
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# distribution tree, or in https://support.hdfgroup.org/ftp/HDF5/releases.
 
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# If you do not have access to either file, you may request a copy from
 
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# help@hdfgroup.org.
 
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​
 
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​
 
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# This file should be sourced into configure if the compiler is the
 
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# Intel icc compiler or a derivative.  It is careful not to do anything
 
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# if the compiler is not Intel; otherwise `cc_flags_set' is set to `yes'
 
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#
 
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​
 
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# Get the compiler version in a way that works for icc
 
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# icc unless a compiler version is already known
 
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#
 
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#   cc_vendor:    The compiler name: icc
 
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#   cc_version:   Version number: 8.0
 
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#
 
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if test X = "X$cc_flags_set"; then
 
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    cc_version="`$CC $CFLAGS $H5_CFLAGS -V 2>&1 |grep 'Version'`"
 
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    if test X != "X$cc_version"; then
 
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        cc_vendor=icc
 
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        cc_version=`echo $cc_version |sed 's/.*Version \([-a-z0-9\.\-]*\).*/\1/'`
 
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        echo "compiler '$CC' is Intel $cc_vendor-$cc_version"
 
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​
 
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        # Some version numbers
 
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        # Intel version numbers are of the form: "major.minor"
 
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        cc_vers_major=`echo $cc_version | cut -f1 -d.`
 
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        cc_vers_minor=`echo $cc_version | cut -f2 -d.`
 
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        #cc_vers_patch=`echo $cc_version | cut -f2 -d.`
 
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        test -n "$cc_vers_major" || cc_vers_major=0
 
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        test -n "$cc_vers_minor" || cc_vers_minor=0
 
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        test -n "$cc_vers_patch" || cc_vers_patch=0
 
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        cc_vers_all=`expr $cc_vers_major '*' 1000000 + $cc_vers_minor '*' 1000 + $cc_vers_patch`
 
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    fi
 
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fi
 
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​
 
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# Common Intel flags for various situations
 
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if test "X-icc" = "X-$cc_vendor"; then
 
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    # Insert section about version specific problems from compiler flags here,
 
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    # if necessary.
 
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​
 
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    arch=
 
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    # Architecture-specific flags
 
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    # Nothing currently. (Uncomment code below and modify to add any)
 
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    #case "$host_os-$host_cpu" in
 
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    #    *-i686)
 
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    #        arch="-march=i686"
 
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    #        ;;
 
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    #esac
 
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​
 
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    # Host-specific flags
 
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    # Nothing currently. (Uncomment code below and modify to add any)
 
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    #case "`hostname`" in
 
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    #    sleipnir.ncsa.uiuc.edu)
 
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    #        arch="$arch -pipe"
 
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    #        ;;
 
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    #esac
 
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​
 
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    # General
 
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    # Default to C99 standard.
 
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    H5_CFLAGS="$H5_CFLAGS $arch -std=c99 -Wcheck -Wall"
 
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​
 
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    # Production
 
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    PROD_CFLAGS=
 
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​
 
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    # Debug
 
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    # NDEBUG is handled explicitly in configure
 
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    DEBUG_CFLAGS=
 
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​
 
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    # Symbols
 
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    SYMBOLS_CFLAGS="-g"
 
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    NO_SYMBOLS_CFLAGS="-Wl,-s"
 
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​
 
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    # Profiling
 
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    # Use this for profiling with gprof
 
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    PROFILE_CFLAGS="-p"
 
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​
 
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    # Optimization
 
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    HIGH_OPT_CFLAGS="-O3"
 
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    DEBUG_OPT_CFLAGS="-O0"
 
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    NO_OPT_CFLAGS="-O0"
 
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​
 
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    # Flags are set
 
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    cc_flags_set=yes
 
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​
 
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fi
 
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​
 
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# Version specific ICC flags
 
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#
 
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# Please follow the pattern below by adding new versions at the top, copying
 
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# the information from the previous version and adding modifications to that.
 
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# The default at the bottom will apply if no earlier version matches.
 
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case "$cc_vendor-$cc_version" in
 
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    icc-1[5-6]*)
 
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        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"
 
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        ;;
 
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    icc-10*)
 
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        HIGH_OPT_CFLAGS="-O1"
 
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        ;;
 
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    icc-8.0*)
 
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        # v8.0 -O3 infinite loops when compiling test/tselect.c. Use -O2.
 
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        HIGH_OPT_CFLAGS="-O2"
 
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        ;;
 
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    icc-*)
 
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        ;;
 
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esac
 
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​
 
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# Clear cc info if no flags set
 
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if test "X-$cc_flags_set" = "X-"; then
 
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    cc_vendor=
 
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    cc_version=
 
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fi