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bf9c37e071
mpich 1.2.6 does not like the tweaking of using -O2 flag. Comment out the Tweaking since it caused problems to mpich1.2.6. Need to investigate the reasons and effects to tweak. Platforms tested: Tested in heping using mpich 1.2.6 and in eirene uisng mpich 1.2.6.
94 lines
2.7 KiB
Bash
94 lines
2.7 KiB
Bash
# -*- shell-script -*-
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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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# 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 $CFLAGS -V 2>&1 |grep 'Version'`"
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if test X != "X$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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# 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 + $cc_vers_patch`
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fi
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fi
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# Common Intel flags for various situations
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if test "X-icc" = "X-$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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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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# 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="$arch -pipe"
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# ;;
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#esac
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# General
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# Default to C99 standard.
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CFLAGS="${CFLAGS:--std=c99 $arch}"
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# Production
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# -Wl,-s to remove all symbols for smaller file
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PROD_CFLAGS="-O3 -Wl,-s"
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PROD_CPPFLAGS=
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# Debug
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DEBUG_CFLAGS="-Wcheck -Wall -g -O0"
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DEBUG_CPPFLAGS=
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# Profile
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# Use this for profiling with gprof
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PROFILE_CFLAGS="-g -p"
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PROFILE_CPPFLAGS=
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# Flags are set
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cc_flags_set=yes
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fi
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# Version specific ICC flags
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#
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# Please follow the pattern below by adding new versions at the top, copying
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# the information from the previous version and adding modifications to that.
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case "$cc_vendor-$cc_version" in
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icc-8.0*)
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# v8.0 -O3 infinite loops when compiling test/tselect.c. Use -O2.
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PROD_CFLAGS="-O2 -Wl,-s"
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;;
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esac
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# Clear cc info if no flags set
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if test "X-$cc_flags_set" = "X-"; then
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cc_vendor=
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cc_version=
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fi
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