X-Git-Url: https://git.exim.org/exim.git/blobdiff_plain/18f1b2f3f8829931ac096942ff2d1ef85ab5f891..33a1a1bf0dc7d8202f09fda79e5a496645bbeb3b:/src/OS/os.h-Linux?ds=sidebyside

diff --git a/src/OS/os.h-Linux b/src/OS/os.h-Linux
index 510865c66..cc1cef99b 100644
--- a/src/OS/os.h-Linux
+++ b/src/OS/os.h-Linux
@@ -69,6 +69,8 @@ then change the 0 to 1 in the next block. */
 # define EXIM_HAVE_OPENAT
 #endif
 
+#include <netinet/tcp.h>	/* for TCP_FASTOPEN */
+#include <sys/socket.h>		/* for MSG_FASTOPEN */
 #if defined(TCP_FASTOPEN) && !defined(MSG_FASTOPEN)
 # define MSG_FASTOPEN 0x20000000
 #endif