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-rw-r--r--kppp/configure.in.in3
1 files changed, 3 insertions, 0 deletions
diff --git a/kppp/configure.in.in b/kppp/configure.in.in
index 867d5f07..720680c2 100644
--- a/kppp/configure.in.in
+++ b/kppp/configure.in.in
@@ -30,6 +30,9 @@ AC_TRY_LINK([
#ifndef STREAMS
#if defined(linux)
+ #ifndef aligned_u64
+ #define aligned_u64 unsigned long long __attribute__((aligned(8)))
+ #endif
#include <linux/if_ppp.h>
#elif defined(__DragonFly__)
#include <net/ppp/if_ppp.h>