+##########################################
+# check for blkin
+rbd_blkin="no"
+cat > $TMPC << EOF
+#include <rbd/librbd.h>
+#include <zipkin_c.h>
+
+int main(int argc, char **argv)
+{
+ int r;
+ struct blkin_trace_info t_info;
+ blkin_init_trace_info(&t_info);
+ rbd_completion_t completion;
+ rbd_image_t image;
+ uint64_t off;
+ size_t len;
+ const char *buf;
+ r = rbd_aio_write_traced(image, off, len, buf, completion, &t_info);
+ return 0;
+}
+EOF
+if test "$disable_rbd" != "yes" && test "$disable_rbd_blkin" != "yes" \
+ && compile_prog "" "-lrbd -lrados -lblkin" "rbd_blkin"; then
+ LIBS="-lblkin $LIBS"
+ rbd_blkin="yes"
+fi
+echo "rbd blkin tracing $rbd_blkin"
+