mirror of
https://github.com/MariaDB/server.git
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Merge maint2.mysql.com:/data/localhome/tsmith/bk/g51
into maint2.mysql.com:/data/localhome/tsmith/bk/51 client/mysqltest.c: Auto merged configure.in: Auto merged include/config-netware.h: Auto merged include/mysql_com.h: Auto merged mysql-test/mysql-test-run.pl: Auto merged mysql-test/lib/mtr_process.pl: Auto merged mysql-test/r/func_time.result: Auto merged mysql-test/r/grant.result: Auto merged mysql-test/r/innodb_mysql.result: Auto merged mysql-test/r/partition.result: Auto merged mysql-test/r/partition_mgm.result: Auto merged mysql-test/t/disabled.def: Auto merged mysql-test/t/func_time.test: Auto merged mysql-test/t/grant.test: Auto merged mysql-test/t/innodb_mysql.test: Auto merged sql/ha_innodb.cc: Auto merged sql/item_func.h: Auto merged sql/item_strfunc.cc: Auto merged sql/item_strfunc.h: Auto merged sql/item_timefunc.cc: Auto merged sql/mysqld.cc: Auto merged sql/sql_acl.cc: Auto merged sql/sql_show.cc: Auto merged storage/innobase/btr/btr0btr.c: Auto merged storage/innobase/buf/buf0buf.c: Auto merged storage/innobase/dict/dict0dict.c: Auto merged storage/innobase/fil/fil0fil.c: Auto merged storage/innobase/fsp/fsp0fsp.c: Auto merged storage/innobase/include/btr0cur.ic: Auto merged storage/innobase/include/buf0buf.ic: Auto merged storage/innobase/log/log0log.c: Auto merged storage/innobase/log/log0recv.c: Auto merged storage/innobase/os/os0file.c: Auto merged storage/innobase/row/row0sel.c: Auto merged storage/innobase/srv/srv0start.c: Auto merged storage/innobase/ut/ut0dbg.c: Auto merged tests/mysql_client_test.c: Auto merged BUILD/check-cpu: Manual merge storage/innobase/row/row0mysql.c: Manual merge
This commit is contained in:
unknown
383
BUILD/check-cpu
383
BUILD/check-cpu
@@ -3,213 +3,216 @@
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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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#
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#
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if test -r /proc/cpuinfo ; then
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# on Linux (and others?) we can get detailed CPU information out of /proc
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cpuinfo="cat /proc/cpuinfo"
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check_cpu () {
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if test -r /proc/cpuinfo ; then
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# on Linux (and others?) we can get detailed CPU information out of /proc
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cpuinfo="cat /proc/cpuinfo"
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# detect CPU family
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cpu_family=`$cpuinfo | grep 'family' | cut -d ':' -f 2 | cut -d ' ' -f 2 | head -1`
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if test -z "$cpu_family" ; then
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cpu_family=`$cpuinfo | grep 'cpu' | cut -d ':' -f 2 | cut -d ' ' -f 2 | head -1`
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# detect CPU family
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cpu_family=`$cpuinfo | grep 'family' | cut -d ':' -f 2 | cut -d ' ' -f 2 | head -1`
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if test -z "$cpu_family" ; then
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cpu_family=`$cpuinfo | grep 'cpu' | cut -d ':' -f 2 | cut -d ' ' -f 2 | head -1`
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fi
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# detect CPU vendor and model
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cpu_vendor=`$cpuinfo | grep 'vendor_id' | cut -d ':' -f 2 | cut -d ' ' -f 2 | head -1`
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model_name=`$cpuinfo | grep 'model name' | cut -d ':' -f 2 | head -1`
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if test -z "$model_name" ; then
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model_name=`$cpuinfo | grep 'cpu model' | cut -d ':' -f 2 | head -1`
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fi
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# fallback: get CPU model from uname output
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if test -z "$model_name" ; then
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model_name=`uname -m`
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fi
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# parse CPU flags
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for flag in `$cpuinfo | grep '^flags' | sed -e 's/^flags.*: //'`; do
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eval cpu_flag_$flag=yes
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done
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else
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# Fallback when there is no /proc/cpuinfo
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case "`uname -s`" in
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FreeBSD|OpenBSD)
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cpu_family=`uname -m`;
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model_name=`sysctl -n hw.model`
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;;
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Darwin)
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cpu_family=`uname -p`
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model_name=`machine`
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;;
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*)
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cpu_family=`uname -m`;
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model_name=`uname -p`;
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;;
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esac
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fi
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# detect CPU vendor and model
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cpu_vendor=`$cpuinfo | grep 'vendor_id' | cut -d ':' -f 2 | cut -d ' ' -f 2 | head -1`
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model_name=`$cpuinfo | grep 'model name' | cut -d ':' -f 2 | head -1`
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if test -z "$model_name" ; then
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model_name=`$cpuinfo | grep 'cpu model' | cut -d ':' -f 2 | head -1`
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fi
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# fallback: get CPU model from uname output
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if test -z "$model_name" ; then
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model_name=`uname -m`
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fi
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# parse CPU flags
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for flag in `$cpuinfo | grep '^flags' | sed -e 's/^flags.*: //'`; do
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eval cpu_flag_$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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case "`uname -s`" in
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FreeBSD|OpenBSD)
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cpu_family=`uname -m`;
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model_name=`sysctl -n hw.model`
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# detect CPU shortname as used by gcc options
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# this list is not complete, feel free to add further entries
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cpu_arg=""
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case "$cpu_family--$model_name" in
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# DEC Alpha
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Alpha*EV6*)
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cpu_arg="ev6";
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;;
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Darwin)
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cpu_family=`uname -p`
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model_name=`machine`
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# Intel ia32
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*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 [ -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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;;
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*Pentium*4*Mobile*)
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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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;;
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*Pentium*III*Mobile*)
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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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*Pentium*M*pro*)
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cpu_arg="pentium-m";
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;;
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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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;;
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*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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;;
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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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;;
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#
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*ppc*)
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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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;;
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# unknown
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*)
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cpu_family=`uname -m`;
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model_name=`uname -p`;
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cpu_arg="";
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;;
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esac
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fi
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# detect CPU shortname as used by gcc options
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# this list is not complete, feel free to add further entries
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cpu_arg=""
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case "$cpu_family--$model_name" in
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# DEC Alpha
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Alpha*EV6*)
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cpu_arg="ev6";
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;;
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# Intel ia32
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*X[eE][oO][nN]*)
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# a Xeon is just another pentium4 ...
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# ... unless it has the "lm" (long-mode) flag set,
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# in that case it's a Xeon with EM64T support
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if [ -z "$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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;;
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*Pentium*4*Mobile*)
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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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;;
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*Pentium*III*Mobile*)
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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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*Pentium*M*pro*)
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cpu_arg="pentium-m";
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;;
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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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;;
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*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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;;
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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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;;
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#
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*ppc*)
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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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;;
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# unknown
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*)
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cpu_arg="";
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;;
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esac
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if test -z "$cpu_arg"; then
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echo "BUILD/check-cpu: Oops, could not find out what kind of cpu this machine is using."
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check_cpu_cflags=""
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return
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fi
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# different compiler versions have different option names
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# for CPU specific command line options
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if test -z "$CC" ; then
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cc="gcc";
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else
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cc=$CC
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fi
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cc_ver=`$cc --version | sed 1q`
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cc_verno=`echo $cc_ver | sed -e 's/^.*gcc/gcc/g; s/[^0-9. ]//g; s/^ *//g; s/ .*//g'`
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case "$cc_ver--$cc_verno" in
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*GCC*)
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# different gcc backends (and versions) have different CPU flags
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case `gcc -dumpmachine` in
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i?86-*)
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case "$cc_verno" in
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3.4*|3.5*|4.*)
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check_cpu_args='-mtune=$cpu_arg -march=$cpu_arg'
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;;
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*)
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check_cpu_args='-mcpu=$cpu_arg -march=$cpu_arg'
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;;
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esac
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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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check_cpu_args='-mtune=$cpu_arg'
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;;
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*)
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check_cpu_cflags=""
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return
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;;
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esac
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;;
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2.95.*)
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# GCC 2.95 doesn't expose its name in --version output
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check_cpu_args='-m$cpu_arg'
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;;
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*)
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if test -z "$cpu_arg"; then
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echo "BUILD/check-cpu: Oops, could not find out what kind of cpu this machine is using." >&2
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check_cpu_cflags=""
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return
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;;
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esac
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# now we check whether the compiler really understands the cpu type
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touch __test.c
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while [ "$cpu_arg" ] ; do
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echo -n testing $cpu_arg "... "
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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 $check_cpu_cflags __test.c 2>/dev/null; then
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echo ok
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break;
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fi
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echo failed
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check_cpu_cflags=""
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# different compiler versions have different option names
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# for CPU specific command line options
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if test -z "$CC" ; then
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cc="gcc";
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else
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cc=$CC
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fi
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# if compile failed: check whether it supports a predecessor of this CPU
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# this list is not complete, feel free to add further entries
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case "$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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cc_ver=`$cc --version | sed 1q`
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cc_verno=`echo $cc_ver | sed -e 's/^.*gcc/gcc/g; s/[^0-9. ]//g; s/^ *//g; s/ .*//g'`
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# power / powerPC
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7450) cpu_arg=7400 ;;
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*) cpu_arg="" ;;
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case "$cc_ver--$cc_verno" in
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*GCC*)
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# different gcc backends (and versions) have different CPU flags
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case `gcc -dumpmachine` in
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i?86-*)
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case "$cc_verno" in
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3.4*|3.5*|4.*)
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check_cpu_args='-mtune=$cpu_arg -march=$cpu_arg'
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;;
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*)
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check_cpu_args='-mcpu=$cpu_arg -march=$cpu_arg'
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;;
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esac
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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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check_cpu_args='-mtune=$cpu_arg'
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;;
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*)
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check_cpu_cflags=""
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return
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;;
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esac
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;;
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2.95.*)
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# GCC 2.95 doesn't expose its name in --version output
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check_cpu_args='-m$cpu_arg'
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;;
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*)
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check_cpu_cflags=""
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return
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;;
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esac
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done
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rm __test.*
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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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while [ "$cpu_arg" ] ; do
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# FIXME: echo -n isn't portable - see contortions autoconf goes through
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echo -n 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 $check_cpu_cflags __test.c 2>/dev/null; then
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echo ok >&2
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break;
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fi
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echo failed >&2
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check_cpu_cflags=""
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# if compile failed: check whether it supports a predecessor of this CPU
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# this list is not complete, feel free to add further entries
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case "$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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done
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rm __test.*
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}
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check_cpu
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Reference in New Issue
Block a user