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authorDouglas Gregor <dgregor@apple.com>2012-01-24 15:12:50 +0000
committerDouglas Gregor <dgregor@apple.com>2012-01-24 15:12:50 +0000
commit1ea742bd254586cfeac66a0bcbb90611f86d13b3 (patch)
treef30916775adfd7903f141d3bdcf5290b04389d1e
parent4a04d0b4aa33e98ea9e7b3e787f0490585ce9b6f (diff)
On Darwin, use the system's <unwind.h> whenever it is
available. Clang's <unwind.h> isn't ready for prime time. Fixes <rdar://problem/10733587>. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@148807 91177308-0d34-0410-b5e6-96231b3b80d8
-rw-r--r--lib/Headers/unwind.h7
1 files changed, 3 insertions, 4 deletions
diff --git a/lib/Headers/unwind.h b/lib/Headers/unwind.h
index cef20cc214..28ad8043f2 100644
--- a/lib/Headers/unwind.h
+++ b/lib/Headers/unwind.h
@@ -23,10 +23,9 @@
/* See "Data Definitions for libgcc_s" in the Linux Standard Base.*/
-#if defined(__ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__) && \
- __ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__ >= 1070
-/* Starting in OS X Lion the SDK includes a unwind.h. We should just use it. */
-#include_next <unwind.h>
+#if defined(__APPLE__) && __has_include_next(<unwind.h>)
+/* Darwin typically has its own unwind.h; use it. */
+# include_next <unwind.h>
#else
#include <stdint.h>