Index: lib/sanitizer_common/sanitizer_stacktrace.h
===================================================================
--- lib/sanitizer_common/sanitizer_stacktrace.h
+++ lib/sanitizer_common/sanitizer_stacktrace.h
@@ -19,7 +19,7 @@
 
 static const u32 kStackTraceMax = 256;
 
-#if SANITIZER_LINUX &&  (defined(__sparc__) || defined(__mips__))
+#if defined(__sparc__) || (SANITIZER_LINUX && defined(__mips__))
 # define SANITIZER_CAN_FAST_UNWIND 0
 #elif SANITIZER_WINDOWS
 # define SANITIZER_CAN_FAST_UNWIND 0
Index: lib/sanitizer_common/sanitizer_stacktrace_sparc.cc
===================================================================
--- lib/sanitizer_common/sanitizer_stacktrace_sparc.cc
+++ lib/sanitizer_common/sanitizer_stacktrace_sparc.cc
@@ -15,7 +15,7 @@
 
 // This file is ported to Sparc v8, but it should be easy to port to
 // Sparc v9.
-#if defined(__sparcv8__)
+#if defined(__sparcv8__) || defined(__sparcv8) || defined(__sparc_v8__)
 
 #include "sanitizer_common.h"
 #include "sanitizer_stacktrace.h"
@@ -55,4 +55,5 @@
 
 }  // namespace __sanitizer
 
-#endif  // !defined(__sparcv8__)
+#endif  // !defined(__sparcv8__) && !defined(__sparcv8) &&
+        // !defined(__sparc_v8__)