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Merge commit '1234c66a315b139339d52ca193b3f1d67af9ce19'

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* commit '1234c66a315b139339d52ca193b3f1d67af9ce19':
  configure: arm: detect toolchain default arch version

Merged-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2012-12-08 13:57:19 +01:00
commit 840a002b69
1 changed files with 32 additions and 0 deletions
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32
configure vendored
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@ -2823,6 +2823,37 @@ elif enabled alpha; then
elif enabled arm; then
check_arm_arch() {
check_cpp_condition stddef.h \
"defined __ARM_ARCH_${1}__ || defined __TARGET_ARCH_${2:-$1}" \
$cpuflags
}
probe_arm_arch() {
if check_arm_arch 4; then echo armv4;
elif check_arm_arch 4T; then echo armv4t;
elif check_arm_arch 5; then echo armv5;
elif check_arm_arch 5E; then echo armv5e;
elif check_arm_arch 5T; then echo armv5t;
elif check_arm_arch 5TE; then echo armv5te;
elif check_arm_arch 5TEJ; then echo armv5te;
elif check_arm_arch 6; then echo armv6;
elif check_arm_arch 6J; then echo armv6j;
elif check_arm_arch 6K; then echo armv6k;
elif check_arm_arch 6Z; then echo armv6z;
elif check_arm_arch 6ZK; then echo armv6zk;
elif check_arm_arch 6T2; then echo armv6t2;
elif check_arm_arch 7; then echo armv7;
elif check_arm_arch 7A 7_A; then echo armv7-a;
elif check_arm_arch 7R 7_R; then echo armv7-r;
elif check_arm_arch 7M 7_M; then echo armv7-m;
elif check_arm_arch 7EM 7E_M; then echo armv7-m;
elif check_arm_arch 8A 8_A; then echo armv8-a;
fi
}
[ "$cpu" = generic ] && cpu=$(probe_arm_arch)
case $cpu in
armv*)
cpuflags="-march=$cpu"
@ -2837,6 +2868,7 @@ elif enabled arm; then
arm11*) subarch=armv6 ;;
arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
armv4*|arm7*|arm9[24]*) subarch=armv4 ;;
*) subarch=$(probe_arm_arch) ;;
esac
;;
esac