build: remove dependency on netinet/in6.h

diff --git a/configure.ac b/configure.ac
index 902ab00858ed7c92403dc2092850a8ff47e4292e..66b05eb3a3b8b13b7152c8ee1671a1c7a4e65eec 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -27,8 +27,6 @@ AC_ARG_WITH([xtlibdir],
        [xtlibdir="$withval"],
        [xtlibdir='${libexecdir}/xtables'])
 
-AC_CHECK_HEADER([netinet/ip6.h], [], [AC_MSG_ERROR(but we need that for IPv6)])
-
 AC_MSG_CHECKING([xtables.h presence])
 if [[ -n "$xtables_location" ]]; then
        if [[ -f "$xtables_location/xtables.h" ]]; then