AC_DEFINE(HAVE_STRLCAT,1,[Have strlcat]),
AM_CONDITIONAL(HAVE_STRLCAT, false))
+# HAVE_STRUCT_RTNL_LINK_STATS64={0,1}
+AC_CHECK_TYPES([struct rtnl_link_stats64], [], [], [[#include <linux/if_link.h>]])
+
# Check for some libraries
AX_PTHREAD
AC_SEARCH_LIBS(clock_gettime, [rt])
AX_CHECK_COMPILE_FLAG([-Wimplicit-fallthrough], [CFLAGS="$CFLAGS -Wimplicit-fallthrough"],,[-Werror])
AX_CHECK_COMPILE_FLAG([-Wcast-align], [CFLAGS="$CFLAGS -Wcast-align"],,[-Werror])
AX_CHECK_COMPILE_FLAG([-Wstrict-prototypes], [CFLAGS="$CFLAGS -Wstrict-prototypes"],,[-Werror])
+AX_CHECK_COMPILE_FLAG([-fno-strict-aliasing], [CFLAGS="$CFLAGS -fno-strict-aliasing"],,[-Werror])
+AX_CHECK_COMPILE_FLAG([-fstack-clash-protection], [CFLAGS="$CFLAGS -fstack-clash-protection"],,[-Werror])
+AX_CHECK_COMPILE_FLAG([-fstack-protector-strong], [CFLAGS="$CFLAGS -fstack-protector-strong"],,[-Werror])
+AX_CHECK_COMPILE_FLAG([-g], [CFLAGS="$CFLAGS -g"],,[-Werror])
+AX_CHECK_COMPILE_FLAG([--mcet -fcf-protection], [CFLAGS="$CFLAGS --mcet -fcf-protection"],,[-Werror])
+AX_CHECK_COMPILE_FLAG([-Werror=implicit-function-declaration], [CFLAGS="$CFLAGS -Werror=implicit-function-declaration"],,[-Werror])
AX_CHECK_LINK_FLAG([-z relro], [LDLAGS="$LDLAGS -z relro"],,[])
AX_CHECK_LINK_FLAG([-z now], [LDLAGS="$LDLAGS -z now"],,[])