diff --git a/audio/musepack/Makefile b/audio/musepack/Makefile
index 7f2af35f228c..f522eec26eff 100644
--- a/audio/musepack/Makefile
+++ b/audio/musepack/Makefile
@@ -2,15 +2,17 @@
 # $FreeBSD$
 
 PORTNAME=	musepack
-PORTVERSION=	2009.03.01
-PORTREVISION=	2
+PORTVERSION=	2011.08.10
 CATEGORIES=	audio
 MASTER_SITES=	http://files.musepack.net/source/
-DISTNAME=	${PORTNAME}_src_r435
+DISTNAME=	${PORTNAME}_src_r475
 
 MAINTAINER=	shoesoft@gmx.net
 COMMENT=	Decoder, encoder, and replaygain for musepack (mpc)
 
+LICENSE=	BSD3CLAUSE GPLv2 LGPL21 #or later for the (L)GPL'ed part
+LICENSE_COMB=	multi
+
 USES=		libtool
 USE_LDCONFIG=	yes
 USE_AUTOTOOLS=	aclocal autoheader libtoolize automake autoconf
diff --git a/audio/musepack/distinfo b/audio/musepack/distinfo
index 925e80ba8537..9867539dda3e 100644
--- a/audio/musepack/distinfo
+++ b/audio/musepack/distinfo
@@ -1,2 +1,2 @@
-SHA256 (musepack_src_r435.tar.gz) = 9fc1f4d0a88560590f377a3194a4b9b597966c9df91283aa7136fd3b120e43b2
-SIZE (musepack_src_r435.tar.gz) = 194149
+SHA256 (musepack_src_r475.tar.gz) = a4b1742f997f83e1056142d556a8c20845ba764b70365ff9ccf2e3f81c427b2b
+SIZE (musepack_src_r475.tar.gz) = 188737
diff --git a/audio/musepack/files/patch-Makefile.am b/audio/musepack/files/patch-Makefile.am
deleted file mode 100644
index e9601941eadb..000000000000
--- a/audio/musepack/files/patch-Makefile.am
+++ /dev/null
@@ -1,7 +0,0 @@
---- Makefile.am.orig	2008-03-25 15:31:41.000000000 +0100
-+++ Makefile.am	2010-05-16 18:04:14.000000000 +0200
-@@ -1,3 +1,3 @@
- AUTOMAKE_OPTIONS = foreign
- SUBDIRS = include libmpcdec libmpcenc libmpcpsy libwavformat mpcenc mpc2sv8 \
--	mpcchap mpccut mpcdec mpcgain wavcmp
-+	mpccut mpcdec wavcmp
diff --git a/audio/musepack/files/patch-configure.in b/audio/musepack/files/patch-configure.in
new file mode 100644
index 000000000000..49b0124945c3
--- /dev/null
+++ b/audio/musepack/files/patch-configure.in
@@ -0,0 +1,12 @@
+--- configure.in.orig	2014-08-04 08:34:39.000000000 +0200
++++ configure.in	2014-08-04 08:35:20.000000000 +0200
+@@ -30,7 +30,8 @@
+ AM_CONDITIONAL([MPC_CHAP], [test "x$enable_mpcchap" = xyes])
+ 
+ 
+-CHECK_VISIBILITY
++gl_VISIBILITY
++AM_CONDITIONAL([HAVE_VISIBILITY], [test "x$HAVE_VISIBILITY" = x1])
+ 
+ AC_CONFIG_FILES([
+ Makefile
diff --git a/audio/musepack/files/patch-encode_sv7.c b/audio/musepack/files/patch-encode_sv7.c
deleted file mode 100644
index 847e726fe003..000000000000
--- a/audio/musepack/files/patch-encode_sv7.c
+++ /dev/null
@@ -1,25 +0,0 @@
---- ./libmpcenc/encode_sv7.c.orig	2009-02-23 19:15:46.000000000 +0100
-+++ ./libmpcenc/encode_sv7.c	2010-05-16 17:59:52.000000000 +0200
-@@ -24,6 +24,8 @@
- #include "libmpcenc.h"
- #include <mpc/minimax.h>
- 
-+#define log2(x)             ( log (x) * (1./M_LN2) )
-+
- void Klemm ( void );
- void Init_Skalenfaktoren ( void );
- 
-@@ -437,11 +439,11 @@
- 			total_cnt += sym[j][i].Count;
- 			total_size += sym[j][i].Count * sym[j][i].Bits;
- 			if (sym[j][i].Count != 0)
--				optim_size += sym[j][i].Count * __builtin_log2(sym[j][i].Count);
-+				optim_size += sym[j][i].Count * log2(sym[j][i].Count);
- 		}
- 		full_count += total_cnt;
- 		full_size += total_size;
--		optim_size = total_cnt * __builtin_log2(total_cnt) - optim_size;
-+		optim_size = total_cnt * log2(total_cnt) - optim_size;
- 		full_optim += optim_size;
- 		size[j] = total_size;
- 		cnt[j] = total_cnt;
diff --git a/audio/musepack/files/patch-huffman-bcl.c b/audio/musepack/files/patch-huffman-bcl.c
deleted file mode 100644
index 087150b3298a..000000000000
--- a/audio/musepack/files/patch-huffman-bcl.c
+++ /dev/null
@@ -1,27 +0,0 @@
---- ./common/huffman-bcl.c.orig	2007-03-17 00:25:28.000000000 +0100
-+++ ./common/huffman-bcl.c	2010-05-16 18:01:56.000000000 +0200
-@@ -30,9 +30,12 @@
- * marcus.geelnard at home.se
- *************************************************************************/
- 
-+#include <math.h>
- #include <stdio.h>
- #include <stdlib.h>
- 
-+#define log2(x)             ( log (x) * (1./M_LN2) )
-+
- typedef struct {
-     int Symbol;
-     unsigned int Count;
-@@ -265,9 +268,9 @@
- 				total_cnt += sym[i].Count;
- 				total_size += sym[i].Count * sym[i].Bits;
- 				if (sym[i].Count != 0)
--					optim_size += sym[i].Count * __builtin_log2(sym[i].Count);
-+					optim_size += sym[i].Count * log2(sym[i].Count);
- 			}
--			optim_size = total_cnt * __builtin_log2(total_cnt) - optim_size;
-+			optim_size = total_cnt * log2(total_cnt) - optim_size;
- 			printf("\ncount : %u huff : %f bps ", total_cnt, (float)total_size / total_cnt);
- 			printf("opt : %f bps ", (float)optim_size / total_cnt);
- 			printf("loss : %f bps (%f %%)\n", (float)(total_size - optim_size) / total_cnt, (float)(total_size - optim_size) * 100 / optim_size);