--- pegasus/src/Pegasus/Common/Platform_LINUX_SPARCV9_GNU.h.orig	2011-03-30 15:59:54.000000000 -0500
+++ pegasus/src/Pegasus/Common/Platform_LINUX_SPARCV9_GNU.h	2011-03-30 16:00:52.000000000 -0500
@@ -90,4 +90,7 @@
 # define PEGASUS_HAS_GETIFADDRS
 #endif
 
+/* use POSIX read-write locks on this platform */
+#define PEGASUS_USE_POSIX_RWLOCK
+
 #endif /* Pegasus_Platform_LINUX_SPARCV9_GNU_h */
--- pegasus/src/Pegasus/Common/Platform_LINUX_SPARC64_GNU.h.orig	2011-03-30 15:59:30.000000000 -0500
+++ pegasus/src/Pegasus/Common/Platform_LINUX_SPARC64_GNU.h	2011-03-30 16:01:05.000000000 -0500
@@ -90,4 +90,7 @@
 # define PEGASUS_HAS_GETIFADDRS
 #endif
 
+/* use POSIX read-write locks on this platform */
+#define PEGASUS_USE_POSIX_RWLOCK
+
 #endif /* Pegasus_Platform_LINUX_SPARC64_GNU_h */