1 files changed, 5 insertions, 0 deletions
diff --git a/e_os2.h b/e_os2.h
index ff68d5b94a..8db74f8300 100644
--- a/e_os2.h
+++ b/e_os2.h
@@ -178,6 +178,11 @@ extern "C" {
 # endif
 #endif
 
+/* ------------------------------- VxWorks --------------------------------- */
+#ifdef OPENSSL_SYSNAME_VXWORKS
+# define OPENSSL_SYS_VXWORKS
+#endif
+
 /**
  * That's it for OS-specific stuff
  *****************************************************************************/