fontconfig: Branch 'master'

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 src/fcatomic.h |   14 +++++++++++++-
 1 file changed, 13 insertions(+), 1 deletion(-)

New commits:
commit 0f9aa8759df563332db60055ae33dd9424ebf802
Author: Akira TAGOH <akira@xxxxxxxxx>
Date:   Thu May 16 13:41:32 2013 +0900

    Fix missing OSAtomicCompareAndSwapPtrBarrier() on Mac OS X 10.4
    
    based on hb-atomic-private.hh in harfbuzz

diff --git a/src/fcatomic.h b/src/fcatomic.h
index a764311..362e521 100644
--- a/src/fcatomic.h
+++ b/src/fcatomic.h
@@ -70,13 +70,25 @@ typedef LONG fc_atomic_int_t;
 #elif !defined(FC_NO_MT) && defined(__APPLE__)
 
 #include <libkern/OSAtomic.h>
+#ifdef __MAC_OS_X_MIN_REQUIRED
+#include <AvailabilityMacros.h>
+#elif defined(__IPHONE_OS_MIN_REQUIRED)
+#include <Availability.h>
+#endif
 
 typedef int fc_atomic_int_t;
 #define fc_atomic_int_add(AI, V)	(OSAtomicAdd32Barrier ((V), &(AI)) - (V))
 
 #define fc_atomic_ptr_get(P)		(OSMemoryBarrier (), (void *) *(P))
+#if (MAC_OS_X_VERSION_MIN_REQUIRED > MAC_OS_X_VERSION_10_4 || __IPHONE_VERSION_MIN_REQUIRED >= 20100)
 #define fc_atomic_ptr_cmpexch(P,O,N)	OSAtomicCompareAndSwapPtrBarrier ((void *) (O), (void *) (N), (void **) (P))
-
+#else
+#if __ppc64__ || __x86_64__
+#define fc_atomic_ptr_cmpexch(P,O,N)	OSAtomicCompareAndSwap64Barrier ((int64_t) (O), (int64_t) (N), (int64_t*) (P))
+#else
+#define fc_atomic_ptr_cmpexch(P,O,N)	OSAtomicCompareAndSwap32Barrier ((int32_t) (O), (int32_t) (N), (int32_t*) (P))
+#endif
+#endif
 
 #elif !defined(FC_NO_MT) && defined(HAVE_INTEL_ATOMIC_PRIMITIVES)
 
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