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-rw-r--r--lib/setup.h16
1 files changed, 16 insertions, 0 deletions
diff --git a/lib/setup.h b/lib/setup.h
index a02834ecd..6bcde3d5c 100644
--- a/lib/setup.h
+++ b/lib/setup.h
@@ -103,6 +103,22 @@
# endif
#endif
+/*
+ * Define USE_WINSOCK to 2 if we have and use WINSOCK2 API, else
+ * define USE_WINSOCK to 1 if we have and use WINSOCK API, else
+ * undefine USE_WINSOCK.
+ */
+
+#undef USE_WINSOCK
+
+#ifdef HAVE_WINSOCK2_H
+# define USE_WINSOCK 2
+#else
+# ifdef HAVE_WINSOCK_H
+# define USE_WINSOCK 1
+# endif
+#endif
+
#ifndef TRUE
#define TRUE 1