Include <fpu_control.h> only on glibc systems
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The <fpu_control.h> header provides _FPU_*() macros, which the
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Init_FPU() function uses only on i386, and only when they are
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defined. Since <fpu_control.h> is not available, this causes a build
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failure with C libraries such as musl. By simply including
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<fpu_control.h> explicitly on glibc systems, we avoid the build
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failure, since mpcenc.c already conditionally uses the <fpu_control.h>
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macros only if they are defined.
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Signed-off-by: Bernd Kuhls <bernd.kuhls@t-online.de>
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[Thomas: better commit log.]
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Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
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diff -uNr musepack_src_r475.org/mpcenc/mpcenc.h musepack_src_r475/mpcenc/mpcenc.h
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--- musepack_src_r475.org/mpcenc/mpcenc.h 2009-02-23 19:15:46.000000000 +0100
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+++ musepack_src_r475/mpcenc/mpcenc.h 2016-01-30 09:29:08.000000000 +0100
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@@ -50,7 +51,7 @@
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# include <unistd.h>
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#endif
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-#if defined __linux__
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+#if defined __GLIBC__
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# include <fpu_control.h>
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#elif defined __FreeBSD__
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# include <machine/floatingpoint.h>
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