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-rw-r--r--src/anytun.cpp5
1 files changed, 4 insertions, 1 deletions
diff --git a/src/anytun.cpp b/src/anytun.cpp
index ddfacfd..3d7dd5d 100644
--- a/src/anytun.cpp
+++ b/src/anytun.cpp
@@ -327,7 +327,7 @@ void receiver(void* p)
}
// boost thread callbacks for libgcrypt
-
+#if defined(BOOST_HAS_PTHREADS)
typedef boost::detail::thread::lock_ops<boost::mutex> mutex_ops;
static int boost_mutex_init(void **priv)
@@ -361,6 +361,9 @@ static struct gcry_thread_cbs gcry_threads_boost =
{ GCRY_THREAD_OPTION_USER, NULL,
boost_mutex_init, boost_mutex_destroy,
boost_mutex_lock, boost_mutex_unlock };
+#else
+#error this libgcrypt thread callbacks only work with pthreads
+#endif
#define MIN_GCRYPT_VERSION "1.2.0"