From f30187d422ae062d311f7b9c12de867c3ca8fe22 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Micha=C5=82=20Skalski?= <mskalski@enigma.com.pl>
Date: Sun, 24 Jan 2021 21:14:57 +0100
Subject: [PATCH] pkcs11: Fix build on Windows

Windows provides CreateMutexA/W with an alias called CreateMutex that
selects one of the other two based on the UNICODE constant.
---
 src/libstrongswan/plugins/pkcs11/pkcs11_library.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/libstrongswan/plugins/pkcs11/pkcs11_library.c b/src/libstrongswan/plugins/pkcs11/pkcs11_library.c
index 119126fed..6c0dda3fa 100644
--- a/src/libstrongswan/plugins/pkcs11/pkcs11_library.c
+++ b/src/libstrongswan/plugins/pkcs11/pkcs11_library.c
@@ -18,7 +18,12 @@
 
 #include "pkcs11_library.h"
 
+#ifndef WIN32
 #include <dlfcn.h>
+#else
+/* macro defined by synchapi.h that maps to CreateMutexA/W */
+#undef CreateMutex
+#endif
 
 #include <library.h>
 #include <asn1/asn1.h>