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-rw-r--r--configure.ac2
1 files changed, 2 insertions, 0 deletions
diff --git a/configure.ac b/configure.ac
index f30187fb..91f4f88c 100644
--- a/configure.ac
+++ b/configure.ac
@@ -149,9 +149,11 @@ AC_CONFIG_HEADERS(config.h)
AH_BOTTOM([#if __GNUC__ >= 3
#define __warn_unused __attribute__ ((warn_unused_result))
#define __sentinel __attribute__ ((sentinel))
+#define __packed __attribute__ ((packed))
#else
#define __warn_unused
#define __sentinel
+#define __packed
#endif])