diff -rupN a/src/sna/compiler.h b/src/sna/compiler.h
--- a/src/sna/compiler.h	2016-07-15 13:36:08.743145806 -0500
+++ b/src/sna/compiler.h	2016-07-15 13:37:21.424096461 -0500
@@ -32,13 +32,13 @@
 #define likely(expr) (__builtin_expect (!!(expr), 1))
 #define unlikely(expr) (__builtin_expect (!!(expr), 0))
 #define noinline __attribute__((noinline))
-#define force_inline inline __attribute__((always_inline))
+#define force_inline inline
 #define fastcall __attribute__((regparm(3)))
 #define must_check __attribute__((warn_unused_result))
 #define constant __attribute__((const))
 #define pure __attribute__((pure))
 #define tightly_packed __attribute__((__packed__))
-#define flatten __attribute__((flatten))
+#define flatten
 #define nonnull __attribute__((nonnull))
 #define page_aligned __attribute__((aligned(4096)))
 #else