#define OPENSSL_ASYNC_ARCH_ASYNC_POSIX_H
#include <openssl/e_os2.h>
-#if (defined(OPENSSL_SYS_UNIX) || defined(OPENSSL_SYS_CYGWIN)) \
+#if defined(OPENSSL_SYS_UNIX) \
&& defined(OPENSSL_THREADS) && !defined(OPENSSL_NO_ASYNC) \
&& !defined(__ANDROID__) && !defined(__OpenBSD__)