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tcg-i386: Perform cmov detection at runtime for 32-bit.

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Existing compile-time detection is spotty at best.  Convert
it all to runtime detection instead.

Signed-off-by: Richard Henderson <rth@twiddle.net>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
This commit is contained in:
Richard Henderson 2012-12-28 14:17:02 -08:00 • committed by Blue Swirl
parent afcb92beac
commit 76a347e1cd
3 changed files with 49 additions and 6 deletions
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19
configure vendored
View file

@ -3086,6 +3086,21 @@ if compile_prog "" "" ; then
has_environ=yes
fi
########################################
# check if cpuid.h is usable.
cpuid_h=no
cat > $TMPC << EOF
#include <cpuid.h>
int main(void) {
return 0;
}
EOF
if compile_prog "" "" ; then
cpuid_h=yes
fi
##########################################
# End of CC checks
# After here, no more $cc or $ld runs
@ -3611,6 +3626,10 @@ if test "$has_environ" = "yes" ; then
echo "CONFIG_HAS_ENVIRON=y" >> $config_host_mak
fi
if test "$cpuid_h" = "yes" ; then
echo "CONFIG_CPUID_H=y" >> $config_host_mak
fi
if test "$glusterfs" = "yes" ; then
echo "CONFIG_GLUSTERFS=y" >> $config_host_mak
fi