diff -up libdca-0.0.5/libao/Makefile.in.aliasing libdca-0.0.5/libao/Makefile.in
--- libdca-0.0.5/libao/Makefile.in.aliasing	2007-11-02 21:16:15.000000000 +0100
+++ libdca-0.0.5/libao/Makefile.in	2007-11-02 21:16:46.000000000 +0100
@@ -172,7 +172,7 @@ sysconfdir = @sysconfdir@
 target_alias = @target_alias@
 top_builddir = @top_builddir@
 top_srcdir = @top_srcdir@
-AM_CFLAGS = $(OPT_CFLAGS)
+AM_CFLAGS = $(OPT_CFLAGS) -fno-strict-aliasing
 AM_CPPFLAGS = -I$(top_srcdir)/include
 noinst_LTLIBRARIES = libao.la
 libao_la_SOURCES = audio_out.c audio_out_null.c audio_out_float.c \
diff -up libdca-0.0.5/libao/Makefile.am.aliasing libdca-0.0.5/libao/Makefile.am
--- libdca-0.0.5/libao/Makefile.am.aliasing	2007-04-08 10:23:11.000000000 +0200
+++ libdca-0.0.5/libao/Makefile.am	2007-11-02 21:16:08.000000000 +0100
@@ -1,4 +1,4 @@
-AM_CFLAGS = $(OPT_CFLAGS)
+AM_CFLAGS = $(OPT_CFLAGS) -fno-strict-aliasing
 AM_CPPFLAGS = -I$(top_srcdir)/include
 
 noinst_LTLIBRARIES = libao.la
diff -up libdca-0.0.5/libdca/bitstream.h.aliasing libdca-0.0.5/libdca/bitstream.h
--- libdca-0.0.5/libdca/bitstream.h.aliasing	2007-04-08 11:08:35.000000000 +0200
+++ libdca-0.0.5/libdca/bitstream.h	2007-11-02 21:20:07.000000000 +0100
@@ -29,22 +29,38 @@
 
 #else
 
-#   define swab32(x)\
-((((uint8_t*)&x)[0] << 24) | (((uint8_t*)&x)[1] << 16) |  \
- (((uint8_t*)&x)[2] << 8)  | (((uint8_t*)&x)[3]))
+static inline uint32_t swab32(uint32_t x) {
+	union {
+		uint32_t x32;
+		uint8_t x8[4];
+	} u;
+	u.x32 = x;
+	return u.x8[0] << 24 | u.x8[1] << 16 | u.x8[2] << 8 | u.x8[3];
+}
 
 #endif
 
 #ifdef WORDS_BIGENDIAN
 
-#   define swable32(x)\
-((((uint8_t*)&x)[0] << 16) | (((uint8_t*)&x)[1] << 24) |  \
- (((uint8_t*)&x)[2])  | (((uint8_t*)&x)[3] << 8))
+static inline uint32_t swable32(uint32_t x) {
+	union {
+		uint32_t x32;
+		uint8_t x8[4];
+	} u;
+	u.x32 = x;
+	return u.x8[0] << 16 | u.x8[1] << 24 | u.x8[2] | u.x8[3] << 8;
+}
 
 #else
 
-#   define swable32(x)\
-((((uint32_t)x) >> 16) | (((uint32_t)x) << 16))
+static inline uint32_t swable32(uint32_t x) {
+	union {
+		uint32_t x32;
+		uint16_t x16[2];
+	} u;
+	u.x32 = x;
+	return u.x16[0] << 16 | u.x16[1];
+}
 
 #endif