1 files changed, 9 insertions, 0 deletions
diff --git a/configure.ac b/configure.ac
index d25bebeb1a..65f7fa0739 100644
--- a/configure.ac
+++ b/configure.ac
@@ -558,6 +558,15 @@ AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/socket.h>]],
  [ AC_MSG_RESULT(no)]
 )
 
+dnl Check for MSG_DONTWAIT
+AC_MSG_CHECKING(for MSG_DONTWAIT)
+AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/socket.h>]],
+ [[ int f = MSG_DONTWAIT; ]])],
+ [ AC_MSG_RESULT(yes); AC_DEFINE(HAVE_DONTWAIT, 1,[Define this symbol if you have MSG_DONTWAIT]) ],
+ [ AC_MSG_RESULT(no)]
+)
+
+
 AC_MSG_CHECKING([for visibility attribute])
 AC_LINK_IFELSE([AC_LANG_SOURCE([
   int foo_def( void ) __attribute__((visibility("default")));