diff --git Esm/ib/src/ibaccess/vs_thr.c Esm/ib/src/ibaccess/vs_thr.c
index 82f30ca..e9281f4 100755
--- Esm/ib/src/ibaccess/vs_thr.c
+++ Esm/ib/src/ibaccess/vs_thr.c
@@ -51,11 +51,11 @@ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 * SFW       03/10/02    Initial functions all passing testcases.
 * MGR       04/19/02    Changed pthread_kill call to pthread_cancel.
 ***********************************************************************/
-//#if defined(LINT)
+#if defined(LINT)
 #include <pthread.h>
 #define __signed__ signed
 #include <bits/sigset.h>
-//#endif
+#endif
 #include <stdio.h>
 #include <sys/types.h>
 #include <unistd.h>