X-Git-Url: https://git.distorted.org.uk/u/mdw/putty/blobdiff_plain/6a38e3113938a10d52893799a96e702dddc3ee1b..376eafbf00a5abe767ca04714959d532d1aca19b:/unix/uxnet.c

diff --git a/unix/uxnet.c b/unix/uxnet.c
index 5d4ace44..a43adcb1 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 SOCKATMARK
 #include <sys/sockio.h>
 #endif