Include headers for linux/if.h.

Prevents configure-time "present but cannot be compiled" warning.

diff --git a/configure.ac b/configure.ac
index 092c823072ba69488d30f232ca2d577476f85c8f..b606a1c36b29f5e579b363e26f170532b64bc4db 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -784,7 +784,11 @@ main() { if (NSVersionOfRunTimeLibrary("System") >= (60 << 16))
        fi
        AC_CHECK_HEADER([linux/if.h],
            AC_DEFINE([SYS_RDOMAIN_LINUX], [1],
-               [Support routing domains using Linux VRF]))
+               [Support routing domains using Linux VRF]), [], [
+#ifdef HAVE_SYS_TYPES_H
+# include <sys/types.H>
+#endif
+           ])
        AC_CHECK_HEADERS([linux/seccomp.h linux/filter.h linux/audit.h], [],
            [], [#include <linux/types.h>])
        AC_MSG_CHECKING([for seccomp architecture])