Update

[l4.git] / l4 / pkg / lwip / lib / contrib / src / core / sys.c

diff --git a/l4/pkg/lwip/lib/contrib/src/core/sys.c b/l4/pkg/lwip/lib/contrib/src/core/sys.c
index d3a77deb2896694d5f210ffc5bbee0378136d783..f1777372621c68ba661dcc454d16bd542994b96c 100644 (file)
--- a/l4/pkg/lwip/lib/contrib/src/core/sys.c
+++ b/l4/pkg/lwip/lib/contrib/src/core/sys.c
@@ -45,6 +45,7 @@
 
 #if !NO_SYS
 
+#ifndef sys_msleep
 /**
  * Sleep for some ms. Timeouts are NOT processed while sleeping.
  *
@@ -62,5 +63,6 @@ sys_msleep(u32_t ms)
     }
   }
 }
+#endif /* sys_msleep */
 
 #endif /* !NO_SYS */