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-rw-r--r--src/common/address.c17
-rw-r--r--src/common/compat.c1
-rw-r--r--src/win32/orconfig.h5
3 files changed, 22 insertions, 1 deletions
diff --git a/src/common/address.c b/src/common/address.c
index d7d815e40f..80f65e916f 100644
--- a/src/common/address.c
+++ b/src/common/address.c
@@ -14,8 +14,23 @@
#ifdef _WIN32
/* For access to structs needed by GetAdaptersAddresses */
-#include <process.h>
+#ifndef WIN32_LEAN_AND_MEAN
+#error "orconfig.h didn't define WIN32_LEAN_AND_MEAN"
+#endif
+#ifndef WINVER
+#error "orconfig.h didn't define WINVER"
+#endif
+#ifndef _WIN32_WINNT
+#error "orconfig.h didn't define _WIN32_WINNT"
+#endif
+#if WINVER < 0x0501
+#error "winver too low"
+#endif
+#if _WIN32_WINNT < 0x0501
+#error "winver too low"
+#endif
#include <winsock2.h>
+#include <process.h>
#include <windows.h>
#include <iphlpapi.h>
#endif
diff --git a/src/common/compat.c b/src/common/compat.c
index 74de9a5d1b..7e50729c01 100644
--- a/src/common/compat.c
+++ b/src/common/compat.c
@@ -27,6 +27,7 @@
#include "compat.h"
#ifdef _WIN32
+#include <winsock2.h>
#include <windows.h>
#include <sys/locking.h>
#endif
diff --git a/src/win32/orconfig.h b/src/win32/orconfig.h
index 9c780e85d7..af3c5f5417 100644
--- a/src/win32/orconfig.h
+++ b/src/win32/orconfig.h
@@ -255,3 +255,8 @@
#ifndef STDERR_FILENO
#define STDERR_FILENO 2
#endif
+
+#define WINVER 0x0501
+#define _WIN32_WINNT 0x0501
+#define WIN32_LEAN_AND_MEAN 1
+