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[Qemu-devel] [PATCH buildfix for-1.5] qemu-common: Resolve vector build
From: |
Andreas Färber |
Subject: |
[Qemu-devel] [PATCH buildfix for-1.5] qemu-common: Resolve vector build breakes for AltiVec |
Date: |
Wed, 15 May 2013 17:46:11 +0200 |
From: Paolo Bonzini <address@hidden>
On Mac OS X ppc, altivec.h defines "vector", leading to build breakage
when used as variable name, e.g. in tracing code.
Fix this by undefining identifiers after altivec.h inclusion.
Signed-off-by: Paolo Bonzini <address@hidden>
Signed-off-by: Andreas Färber <address@hidden>
---
include/qemu-common.h | 10 ++++++++--
1 file changed, 8 insertions(+), 2 deletions(-)
diff --git a/include/qemu-common.h b/include/qemu-common.h
index b399d85..9aff292 100644
--- a/include/qemu-common.h
+++ b/include/qemu-common.h
@@ -436,12 +436,18 @@ void hexdump(const char *buf, FILE *fp, const char
*prefix, size_t size);
/* vector definitions */
#ifdef __ALTIVEC__
#include <altivec.h>
-#define VECTYPE vector unsigned char
+/* The altivec.h header says we're allowed to undef these for
+ * C++ compatibility. Here we don't care about C++, but we
+ * undef them anyway to avoid namespace pollution.
+ */
+#undef vector
+#undef pixel
+#undef bool
+#define VECTYPE __vector unsigned char
#define SPLAT(p) vec_splat(vec_ld(0, p), 0)
#define ALL_EQ(v1, v2) vec_all_eq(v1, v2)
/* altivec.h may redefine the bool macro as vector type.
* Reset it to POSIX semantics. */
-#undef bool
#define bool _Bool
#elif defined __SSE2__
#include <emmintrin.h>
--
1.8.1.4
- [Qemu-devel] [PATCH buildfix for-1.5] qemu-common: Resolve vector build breakes for AltiVec,
Andreas Färber <=