* HttpChannel.cs, HttpClientChannel.cs, HttpHelper.cs, HttpServer.cs,

[mono.git] / configure.in

diff --git a/configure.in b/configure.in
index bdf79678ed081b52313a422f24c69af26794a04f..cfc5a897366f85d2c5ec13981e4305ca34026ec5 100644 (file)
--- a/configure.in
+++ b/configure.in
@@ -368,8 +368,20 @@ if test x$platform_win32 = xno; then
                AC_MSG_RESULT(yes)
                AC_DEFINE(HAVE_STRUCT_IP_MREQN)
        ], [
-               # We'll just have to use struct ip_mreq
+               # We'll just have to try and use struct ip_mreq
                AC_MSG_RESULT(no)
+               AC_MSG_CHECKING(for struct ip_mreq)
+               AC_TRY_COMPILE([#include <netinet/in.h>], [
+                       struct ip_mreq mreq;
+                       mreq.imr_interface.s_addr = 0;
+               ], [
+                       # Yes, we have it...
+                       AC_MSG_RESULT(yes)
+                       AC_DEFINE(HAVE_STRUCT_IP_MREQ)
+               ], [
+                       # No multicast support
+                       AC_MSG_RESULT(no)
+               ])
        ])
 
        dnl *****************************