diff --git a/audiofile-0.3.6-left-shift-neg.patch b/audiofile-0.3.6-left-shift-neg.patch
new file mode 100644
index 0000000..6699969
--- /dev/null
+++ b/audiofile-0.3.6-left-shift-neg.patch
@@ -0,0 +1,48 @@
+diff -Nurb --strip-trailing-cr audiofile-0.3.6-orig/libaudiofile/modules/SimpleModule.h audiofile-0.3.6/libaudiofile/modules/SimpleModule.h
+--- audiofile-0.3.6-orig/libaudiofile/modules/SimpleModule.h	2013-03-06 06:30:03.000000000 +0100
++++ audiofile-0.3.6/libaudiofile/modules/SimpleModule.h	2016-02-03 21:19:43.065454454 +0100
+@@ -123,7 +123,7 @@
+ 	typedef typename IntTypes<Format>::UnsignedType UnsignedType;
+ 
+ 	static const int kScaleBits = (Format + 1) * CHAR_BIT - 1;
+-	static const int kMinSignedValue = -1 << kScaleBits;
++	static const int kMinSignedValue = 0L-(1<<kScaleBits);
+ 
+ 	struct signedToUnsigned : public std::unary_function<SignedType, UnsignedType>
+ 	{
+diff -Nurb --strip-trailing-cr audiofile-0.3.6-orig/test/FloatToInt.cpp audiofile-0.3.6/test/FloatToInt.cpp
+--- audiofile-0.3.6-orig/test/FloatToInt.cpp	2013-02-11 18:23:26.000000000 +0100
++++ audiofile-0.3.6/test/FloatToInt.cpp	2016-02-03 21:21:14.714510229 +0100
+@@ -115,7 +115,7 @@
+ 		EXPECT_EQ(readData[i], expectedData[i]);
+ }
+ 
+-static const int32_t kMinInt24 = -1<<23;
++static const int32_t kMinInt24 = 0L-(1<<23);
+ static const int32_t kMaxInt24 = (1<<23) - 1;
+ 
+ TEST_F(FloatToIntTest, Int24)
+diff -Nurb --strip-trailing-cr audiofile-0.3.6-orig/test/IntToFloat.cpp audiofile-0.3.6/test/IntToFloat.cpp
+--- audiofile-0.3.6-orig/test/IntToFloat.cpp	2013-02-11 18:23:26.000000000 +0100
++++ audiofile-0.3.6/test/IntToFloat.cpp	2016-02-03 21:20:57.380445355 +0100
+@@ -117,7 +117,7 @@
+ 		EXPECT_EQ(readData[i], expectedData[i]);
+ }
+ 
+-static const int32_t kMinInt24 = -1<<23;
++static const int32_t kMinInt24 = 0L-(1<<23);
+ static const int32_t kMaxInt24 = (1<<23) - 1;
+ 
+ TEST_F(IntToFloatTest, Int24)
+diff -Nurb --strip-trailing-cr audiofile-0.3.6-orig/test/Sign.cpp audiofile-0.3.6/test/Sign.cpp
+--- audiofile-0.3.6-orig/test/Sign.cpp	2013-02-11 18:23:26.000000000 +0100
++++ audiofile-0.3.6/test/Sign.cpp	2016-02-03 21:20:38.742450826 +0100
+@@ -116,7 +116,7 @@
+ 		EXPECT_EQ(readData[i], expectedData[i]);
+ }
+ 
+-static const int32_t kMinInt24 = -1<<23;
++static const int32_t kMinInt24 = 0L-(1<<23);
+ static const int32_t kMaxInt24 = (1<<23) - 1;
+ static const uint32_t kMaxUInt24 = (1<<24) - 1;
+ 
diff --git a/audiofile-0.3.6-narrowing.patch b/audiofile-0.3.6-narrowing.patch
new file mode 100644
index 0000000..655a710
--- /dev/null
+++ b/audiofile-0.3.6-narrowing.patch
@@ -0,0 +1,33 @@
+diff -Nurb --strip-trailing-cr audiofile-0.3.6-orig/test/NeXT.cpp audiofile-0.3.6/test/NeXT.cpp
+--- audiofile-0.3.6-orig/test/NeXT.cpp	2013-02-11 18:23:26.000000000 +0100
++++ audiofile-0.3.6/test/NeXT.cpp	2016-02-03 21:49:10.867094322 +0100
+@@ -41,9 +41,9 @@
+ {
+ 	'.', 's', 'n', 'd',
+ 	0, 0, 0, 24, // offset of 24 bytes
+-	0xff, 0xff, 0xff, 0xff, // unspecified length
++	-1, -1, -1, -1, // unspecified length
+ 	0, 0, 0, 3, // 16-bit linear
+-	0, 0, 172, 68, // 44100 Hz
++	0, 0, -84, 68, // 44100 Hz (0xAC44)
+ 	0, 0, 0, 1, // 1 channel
+ 	0, 1,
+ 	0, 1,
+@@ -63,7 +63,7 @@
+ 	0, 0, 0, 24, // offset of 24 bytes
+ 	0, 0, 0, 20, // length of 20 bytes
+ 	0, 0, 0, 3, // 16-bit linear
+-	0, 0, 172, 68, // 44100 Hz
++	0, 0, -84, 68, // 44100 Hz (0xAC44)
+ 	0, 0, 0, 1, // 1 channel
+ 	0, 1,
+ 	0, 1,
+@@ -158,7 +158,7 @@
+ 	0, 0, 0, 24, // offset of 24 bytes
+ 	0, 0, 0, 2, // 2 bytes
+ 	0, 0, 0, 3, // 16-bit linear
+-	0, 0, 172, 68, // 44100 Hz
++	0, 0, -84, 68, // 44100 Hz (0xAC44)
+ 	0, 0, 0, 0, // 0 channels
+ 	0, 1
+ };
diff --git a/audiofile.spec b/audiofile.spec
index b86d76f..0144c91 100644
--- a/audiofile.spec
+++ b/audiofile.spec
@@ -3,7 +3,7 @@
 Summary: Library for accessing various audio file formats
 Name: audiofile
 Version: 0.3.6
-Release: 10%{?dist}
+Release: 11%{?dist}
 Epoch: 1
 # library is LGPL / the two programs GPL / see README
 License: LGPLv2+ and GPLv2+
@@ -17,6 +17,9 @@ BuildRequires: flac-devel
 #BuildRequires: asciidoc
 
 Patch0: audiofile-0.3.6-CVE-2015-7747.patch
+# fixes to make build with GCC 6
+Patch1: audiofile-0.3.6-left-shift-neg.patch
+Patch2: audiofile-0.3.6-narrowing.patch
 
 %description
 The Audio File library is an implementation of the Audio File Library
@@ -39,6 +42,9 @@ other resources you can use to develop Audio File applications.
 %prep
 %setup -q
 %patch0 -p1 -b .CVE-2015-7747
+%patch1 -p1 -b .left-shift-neg
+%patch2 -p1 -b .narrowing-conversion
+
 
 %build
 %configure --disable-static
@@ -78,6 +84,9 @@ make check
 %{_mandir}/man3/*
 
 %changelog
+* Wed Feb  3 2016 Michael Schwendt <mschwendt@fedoraproject.org> - 1:0.3.6-11
+- patch to compile with GCC 6
+
 * Wed Feb 03 2016 Fedora Release Engineering <releng@fedoraproject.org> - 1:0.3.6-10
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_24_Mass_Rebuild