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-rw-r--r--src/network/socket/qnet_unix_p.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/network/socket/qnet_unix_p.h b/src/network/socket/qnet_unix_p.h
index 80a4c58..ffd5b39 100644
--- a/src/network/socket/qnet_unix_p.h
+++ b/src/network/socket/qnet_unix_p.h
@@ -100,7 +100,7 @@ static inline int qt_safe_accept(int s, struct sockaddr *addr, QT_SOCKLEN_T *add
Q_ASSERT((flags & ~O_NONBLOCK) == 0);
register int fd;
-#if QT_UNIX_SUPPORTS_THREADSAFE_CLOEXEC
+#if QT_UNIX_SUPPORTS_THREADSAFE_CLOEXEC && defined(SOCK_CLOEXEC) && defined(SOCK_NONBLOCK)
// use accept4
int sockflags = SOCK_CLOEXEC;
if (flags & O_NONBLOCK)