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-rw-r--r--ares/setup.h16
-rw-r--r--lib/setup.h16
-rw-r--r--src/setup.h17
3 files changed, 49 insertions, 0 deletions
diff --git a/ares/setup.h b/ares/setup.h
index 70af3be3c..3b97e273e 100644
--- a/ares/setup.h
+++ b/ares/setup.h
@@ -70,6 +70,22 @@
#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
+
+/*
* Work-arounds for systems without configure support
*/
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
diff --git a/src/setup.h b/src/setup.h
index 6e0f23a15..139b7467f 100644
--- a/src/setup.h
+++ b/src/setup.h
@@ -105,6 +105,23 @@
# 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
+
+
#include <stdio.h>
#ifdef __TANDEM