diff -urp boost_1_48_0~/boost/math/special_functions/detail/lanczos_sse2.hpp boost_1_48_0/boost/math/special_functions/detail/lanczos_sse2.hpp
--- boost_1_48_0~/boost/math/special_functions/detail/lanczos_sse2.hpp	2012-01-16 16:15:30.509239887 +0100
+++ boost_1_48_0/boost/math/special_functions/detail/lanczos_sse2.hpp	2012-01-16 16:17:52.376243192 +0100
@@ -13,7 +13,7 @@
 #include <emmintrin.h>
 
 #if defined(__GNUC__) || defined(__PGI)
-#define ALIGN16 __attribute__((aligned(16)))
+#define ALIGN16 __attribute__((__aligned__(16)))
 #else
 #define ALIGN16 __declspec(align(16))
 #endif