tcg-i386: Perform cmov detection at runtime for 32-bit.
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>
diff --git a/configure b/configure
index 99c1ec3..b0c7e54 100755
--- a/configure
+++ b/configure
@@ -3086,6 +3086,21 @@
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 @@
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
