X-Git-Url: https://www.tinc-vpn.org/git/browse?a=blobdiff_plain;f=src%2Fhave.h;h=1d1bedfcccad6796916d98141c765ffdf6301634;hb=244002d83466a85ac4fbb5327e26a60fe44168fd;hp=2428151af6c10946e5075480d3b1227c2f185345;hpb=0530bf8704f92e9741d969d6576bf8e2bbf026be;p=tinc

diff --git a/src/have.h b/src/have.h
index 2428151a..1d1bedfc 100644
--- a/src/have.h
+++ b/src/have.h
@@ -51,6 +51,16 @@
 #define STATIC_ASSERT(check, msg)
 #endif
 
+#ifdef HAVE_ATTR_PACKED
+#define PACKED(...) __VA_ARGS__ __attribute__((__packed__))
+#else
+#ifdef _MSC_VER
+#define PACKED(...) __pragma(pack(push, 1)) __VA_ARGS__ __pragma(pack(pop))
+#else
+#warning Your compiler does not support __packed__. Use at your own risk.
+#endif
+#endif
+
 #ifdef HAVE_ALLOCA_H
 #include <alloca.h>
 #elif defined(HAVE_NETBSD)