c2525adf70
The __builtin_bswap* functions have only been introduced in gcc-4.5, not gcc-4.0. ok jasper@
33 lines
1.0 KiB
Plaintext
33 lines
1.0 KiB
Plaintext
$OpenBSD: patch-spice_macros_h,v 1.9 2019/05/12 22:00:52 jca Exp $
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__builtin_bswap16 only found in gcc-4.5+.
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https://bugs.freedesktop.org/show_bug.cgi?id=94570
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Index: spice/macros.h
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--- spice/macros.h.orig
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+++ spice/macros.h
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@@ -248,7 +248,7 @@
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/* Arch specific stuff for speed
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*/
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-#if defined (__GNUC__) && (__GNUC__ >= 4) && defined (__OPTIMIZE__)
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+#if (defined(__clang__) || defined (__GNUC__) && __GNUC__ >= 4 && __GNUC_MINOR__ >= 5) && defined (__OPTIMIZE__)
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# define SPICE_BYTESWAP16(val) __builtin_bswap16(val)
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# define SPICE_BYTESWAP32(val) __builtin_bswap32(val)
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# define SPICE_BYTESWAP64(val) __builtin_bswap64(val)
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@@ -268,6 +268,13 @@
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#define SPICE_ENDIAN_LITTLE 4321
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#define SPICE_ENDIAN_BIG 1234
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#define SPICE_ENDIAN_PDP 2143
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+
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+#include <endian.h>
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+#if BYTE_ORDER == LITTLE_ENDIAN
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+# define SPICE_ENDIAN SPICE_ENDIAN_LITTLE
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+#elif BYTE_ORDER == BIG_ENDIAN
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+# define SPICE_ENDIAN SPICE_ENDIAN_BIG
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+#endif
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/* gcc already defined these, use them */
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#if defined(__BYTE_ORDER__) && defined(__ORDER_LITTLE_ENDIAN__) \
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