X-Git-Url: https://git.distorted.org.uk/u/mdw/putty/blobdiff_plain/dbf58cfaacdf65821233c608b834bd46a65d5467..985b644054f5e0d777184c48bfd8a97e824705fd:/unix/uxnet.c

diff --git a/unix/uxnet.c b/unix/uxnet.c
index 5d4ace44..8865d9d5 100644
--- a/unix/uxnet.c
+++ b/unix/uxnet.c
@@ -23,7 +23,7 @@
 #include "tree234.h"
 
 /* Solaris needs <sys/sockio.h> for SIOCATMARK. */
-#ifdef HAVE_SYS_SOCKIO_H
+#ifndef SIOCATMARK
 #include <sys/sockio.h>
 #endif