diff options
Diffstat (limited to 'BUILD/check-cpu')
| -rwxr-xr-x | BUILD/check-cpu | 26 |
1 files changed, 17 insertions, 9 deletions
diff --git a/BUILD/check-cpu b/BUILD/check-cpu index 7bcb6815323..2852aa98ef3 100755 --- a/BUILD/check-cpu +++ b/BUILD/check-cpu @@ -165,26 +165,34 @@ check_cpu () { cc_ver=`$cc --version | sed 1q` cc_verno=`echo $cc_ver | sed -e 's/^.*gcc/gcc/g; s/[^0-9. ]//g; s/^ *//g; s/ .*//g'` + set -- `echo $cc_verno | tr '.' ' '` + cc_major=$1 + cc_minor=$2 + cc_patch=$3 + cc_comp=`expr $cc_major '*' 100 '+' $cc_minor` case "$cc_ver--$cc_verno" in *GCC*) # different gcc backends (and versions) have different CPU flags case `gcc -dumpmachine` in i?86-*) - case "$cc_verno" in - 3.4*|3.5*|4.*) - check_cpu_args='-mtune=$cpu_arg -march=$cpu_arg' - ;; - *) - check_cpu_args='-mcpu=$cpu_arg -march=$cpu_arg' - ;; - esac + if test "$cc_comp" -lt 304 + then + check_cpu_args='-mcpu=$cpu_arg' + else + check_cpu_args='-mtune=$cpu_arg' + fi ;; ppc-*) check_cpu_args='-mcpu=$cpu_arg -mtune=$cpu_arg' ;; x86_64-*) - check_cpu_args='-mtune=$cpu_arg' + if test "$cc_comp" -lt 304 + then + check_cpu_args='-mcpu=$cpu_arg' + else + check_cpu_args='-mtune=$cpu_arg' + fi ;; *) check_cpu_cflags="" |