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--- ./src/wavpack_local.h.orig 2009-12-01 04:24:50.000000000 +0000
+++ ./src/wavpack_local.h 2012-09-12 21:12:47.161974704 +0100
@@ -11,6 +11,10 @@
#ifndef WAVPACK_LOCAL_H
#define WAVPACK_LOCAL_H
+#ifndef __has_builtin
+#define __has_builtin(x) 0
+#endif
+
#if defined(WIN32)
#define FASTCALL __fastcall
#else
@@ -768,7 +772,7 @@
#define _m_paddd(m1, m2) __builtin_ia32_paddd (m1, m2)
#define _m_pcmpeqd(m1, m2) __builtin_ia32_pcmpeqd (m1, m2)
-#if (__GNUC__ == 4 && __GNUC_MINOR__ >= 4) || __GNUC__ > 4
+#if (__GNUC__ == 4 && __GNUC_MINOR__ >= 4) || __GNUC__ > 4 || __has_builtin(__builtin_ia32_pslldi)
# define _m_pslldi(m1, m2) __builtin_ia32_pslldi ((__m64)m1, m2)
# define _m_psradi(m1, m2) __builtin_ia32_psradi ((__m64)m1, m2)
# define _m_psrldi(m1, m2) __builtin_ia32_psrldi ((__m64)m1, m2)
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