X-Git-Url: https://tinc-vpn.org/git/browse?a=blobdiff_plain;f=src%2Fhave.h;h=1d1bedfcccad6796916d98141c765ffdf6301634;hb=244002d83466a85ac4fbb5327e26a60fe44168fd;hp=36d17b6096d3cca7dbe65c68d70131d785c7d8c6;hpb=373b0c12d9d0e8a3b449fd18be704e28dd6403e1;p=tinc

diff --git a/src/have.h b/src/have.h
index 36d17b60..1d1bedfc 100644
--- a/src/have.h
+++ b/src/have.h
@@ -45,6 +45,22 @@
 #include <math.h>
 #include <time.h>
 
+#ifdef HAVE_STATIC_ASSERT
+#define STATIC_ASSERT(expr, msg) _Static_assert((expr), msg)
+#else
+#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)