WL#3834: New build script for system admins and developers
especially for MySQL Cluster Carrier Grade Edition BUILD/build_mccge.sh: BitKeeper file /home/mikael/mysql_clones/mysql-5.1-engines/BUILD/build_mccge.sh BUILD/check-cpu: Added comments Added support for Core 2 cpu's Fixed some bad styles for scripts Fixed some copy-paste bug Added support for i386 from Mac OS X Added support for Itanium Added support for Sparc Added support for GCC 4.2+ Fixed some issues with later change of cpu_arg Removed some broken, unnecessarily complex parts to find native compiler flags
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BUILD/build_mccge.sh
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1516
BUILD/build_mccge.sh
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BUILD/check-cpu
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BUILD/check-cpu
@ -2,6 +2,9 @@
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#
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# Check cpu of current machine and find the
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# best compiler optimization flags for gcc
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# Will return result in:
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# cpu_arg : Type of CPU
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# check_cpu_args : Arguments for GCC compiler settings
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#
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check_cpu () {
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@ -33,7 +36,7 @@ check_cpu () {
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# parse CPU flags
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for flag in `$cpuinfo | grep '^flags' | sed -e 's/^flags.*: //' -e 's/[^a-zA-Z0-9_ ]/_/g'`; do
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eval cpu_flag_$flag=yes
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eval cpu_flag_$flag=yes
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done
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else
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# Fallback when there is no /proc/cpuinfo
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@ -62,92 +65,95 @@ check_cpu () {
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Alpha*EV6*)
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cpu_arg="ev6";
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;;
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# Intel ia32
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*Intel*Core*|*X[eE][oO][nN]*)
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# a Xeon is just another pentium4 ...
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# ... unless it has the "lm" (long-mode) flag set,
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# in that case it's a Xeon with EM64T support
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# If SSE3 support exists it is a Core2 Duo or newer
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# So is Intel Core.
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if [ -z "$cpu_flag_lm" ]; then
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cpu_arg="pentium4";
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else
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cpu_arg="nocona";
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if [ -z "$cpu_flag_lm" ]; then
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cpu_arg="pentium4"
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else
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cpu_arg="nocona"
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fi
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if test -z "$cpu_flag_ssse3" ; then
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core2="no"
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else
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core2="yes"
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fi
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;;
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*Pentium*4*Mobile*)
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cpu_arg="pentium4m";
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;;
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cpu_arg="pentium4m"
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;;
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*Pentium*4*)
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cpu_arg="pentium4";
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cpu_arg="pentium4"
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;;
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*Pentium*III*Mobile*)
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cpu_arg="pentium3m";
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;;
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cpu_arg="pentium3m"
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;;
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*Pentium*III*)
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cpu_arg="pentium3";
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;;
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cpu_arg="pentium3"
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;;
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*Pentium*M*pro*)
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cpu_arg="pentium-m";
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cpu_arg="pentium-m"
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;;
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*Celeron\(R\)*\ M*)
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cpu_arg="pentium-m";
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;;
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cpu_arg="pentium-m"
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;;
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*Celeron*Coppermine*)
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cpu_arg="pentium3"
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;;
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;;
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*Celeron\(R\)*)
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cpu_arg="pentium4"
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;;
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;;
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*Celeron*)
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cpu_arg="pentium2";
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;;
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*Athlon*64*)
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cpu_arg="athlon64";
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cpu_arg="pentium2"
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;;
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*Turion*)
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cpu_arg="athlon64";
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cpu_arg="athlon64"
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;;
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*Opteron*)
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cpu_arg="athlon64";
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*Athlon*64*)
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cpu_arg="athlon64"
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;;
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*Athlon*)
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cpu_arg="athlon";
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cpu_arg="athlon"
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;;
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*Opteron*)
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cpu_arg="opteron";
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cpu_arg="opteron"
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;;
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# MacOSX / Intel
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*i386*i486*)
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cpu_arg="pentium-m";
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cpu_arg="pentium-m"
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;;
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*i386*)
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cpu_arg="i386"
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;;
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#Core 2 Duo
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*Intel*Core\(TM\)2*)
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cpu_arg="nocona";
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cpu_arg="nocona"
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;;
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# Intel ia64
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*Itanium*)
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# Don't need to set any flags for itanium(at the moment)
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cpu_arg="";
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cpu_arg="itanium"
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;;
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#
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# Solaris Sparc
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*sparc*sun4u*)
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cpu_arg="sparc"
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;;
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# Power PC
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*ppc*)
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cpu_arg='powerpc'
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cpu_arg="powerpc"
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;;
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*powerpc*)
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cpu_arg='powerpc'
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cpu_arg="powerpc"
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;;
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# unknown
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*)
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cpu_arg="";
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cpu_arg=""
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;;
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esac
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if test -z "$cpu_arg" ; then
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if test "$CPUINFO" != " " ; then
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# fallback to uname if necessary
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@ -176,29 +182,22 @@ check_cpu () {
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cc_minor=$2
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cc_patch=$3
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cc_comp=`expr $cc_major '*' 100 '+' $cc_minor`
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case "$cc_ver--$cc_verno" in
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*GCC*)
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# different gcc backends (and versions) have different CPU flags
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case `gcc -dumpmachine` in
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i?86-*)
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if test "$cc_comp" -lt 304
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then
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check_cpu_args='-mcpu=$cpu_arg'
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i?86-* | x86_64-*)
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if test "$cc_comp" -lt 304 ; then
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check_cpu_cflags="-mcpu=${cpu_arg}"
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elif test "$cc_comp" -ge 402 ; then
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check_cpu_cflags="-mtune=native"
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else
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check_cpu_args='-mtune=$cpu_arg'
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check_cpu_cflags="-mtune=${cpu_arg}"
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fi
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;;
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ppc-*)
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check_cpu_args='-mcpu=$cpu_arg -mtune=$cpu_arg'
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;;
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x86_64-*)
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if test "$cc_comp" -lt 304
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then
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check_cpu_args='-mcpu=$cpu_arg'
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else
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check_cpu_args='-mtune=$cpu_arg'
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fi
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check_cpu_cflags="-mcpu=${cpu_arg} -mtune=${cpu_arg}"
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;;
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*)
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check_cpu_cflags=""
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@ -208,7 +207,7 @@ check_cpu () {
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;;
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2.95.*)
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# GCC 2.95 doesn't expose its name in --version output
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check_cpu_args='-m$cpu_arg'
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check_cpu_cflags="-m${cpu_arg}"
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;;
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*)
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check_cpu_cflags=""
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@ -219,41 +218,23 @@ check_cpu () {
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# now we check whether the compiler really understands the cpu type
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touch __test.c
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if test "x$core2" = "xyes" ; then
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cpu_arg="core2"
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fi
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while [ "$cpu_arg" ] ; do
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printf "testing $cpu_arg ... " >&2
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# compile check
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check_cpu_cflags=`eval echo $check_cpu_args`
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if $cc -c $check_cpu_cflags __test.c 2>/dev/null; then
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echo ok >&2
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break;
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eval "$cc -c $check_cpu_cflags __test.c" 2>/dev/null
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if test "x$?" = "x0" ; then
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echo ok >&2
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break;
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fi
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echo failed >&2
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check_cpu_cflags=""
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# if compile failed: check whether it supports a predecessor of this CPU
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# this list is not complete, feel free to add further entries
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case "$cpu_arg" in
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# Intel ia32
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nocona) cpu_arg=pentium4 ;;
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prescott) cpu_arg=pentium4 ;;
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pentium4m) cpu_arg=pentium4 ;;
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pentium4) cpu_arg=pentium3 ;;
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pentium3m) cpu_arg=pentium3 ;;
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pentium3) cpu_arg=pentium2 ;;
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pentium2) cpu_arg=pentiumpro ;;
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pentiumpro) cpu_arg=pentium ;;
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pentium) cpu_arg=i486 ;;
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i486) cpu_arg=i386 ;;
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# power / powerPC
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7450) cpu_arg=7400 ;;
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*) cpu_arg="" ;;
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esac
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break;
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done
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rm __test.*
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}
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