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-rw-r--r--configure.ac1
1 files changed, 1 insertions, 0 deletions
diff --git a/configure.ac b/configure.ac
index 5cb1b1bb..6aa0b2a7 100644
--- a/configure.ac
+++ b/configure.ac
@@ -68,6 +68,7 @@ if test "$ac_cv_header_linux_ip_vs_h" != "yes"; then
fi;
AC_SUBST([blacklist_modules])
+AC_CHECK_SIZEOF([struct ip6_hdr], [], [#include <netinet/ip6.h>])
AM_CONDITIONAL([ENABLE_STATIC], [test "$enable_static" = "yes"])
AM_CONDITIONAL([ENABLE_SHARED], [test "$enable_shared" = "yes"])