Issue #16836: Enable IPv6 support even if IPv6 is disabled on the build host.
diff --git a/configure.ac b/configure.ac
index ccb42d4..5ae0d5a 100644
--- a/configure.ac
+++ b/configure.ac
@@ -2346,25 +2346,15 @@
[
dnl the check does not work on cross compilation case...
- AC_RUN_IFELSE([AC_LANG_SOURCE([[ /* AF_INET6 available check */
+ AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ /* AF_INET6 available check */
#include <sys/types.h>
-#include <sys/socket.h>
-main()
-{
- if (socket(AF_INET6, SOCK_STREAM, 0) < 0)
- exit(1);
- else
- exit(0);
-}
-]])],[
+#include <sys/socket.h>]],
+[[int domain = AF_INET6;]])],[
AC_MSG_RESULT(yes)
ipv6=yes
],[
AC_MSG_RESULT(no)
ipv6=no
-],[
- AC_MSG_RESULT(no)
- ipv6=no
])
if test "$ipv6" = "yes"; then