--- stdcxx-4.2.1/include/rw/_config-sunpro.h 2008-04-24 20:23:43.000000000 -0400

+++ stdcxx-4.2.1/include/rw/_config-sunpro.h 2009-08-04 23:43:43.589286000 -0400

@@ -51,3 +51,15 @@

// source for (intentionally undefined) member functions

// of class templates

#define _RWSTD_NO_UNDEFINED_TEMPLATES

+

+#if defined(__sparc)

+// Solaris >= S10U6 on SPARC V8:

+// KU 137111-01 && CR 6296770

+// POSIX: pthread_mutex_t and pthread_condvar_t

+// Solaris: mutex_t and condvar_t MUST be aligned on

+// 8-byte boundary.

+// This is relevant on 32-bit SPARCV8 only.

+// 64-bit SPARCV9 already aligns on 8-byte boundary by default.

+# define _RWSTD_STRICT_SPARCV8_MUTEX_ALIGNMENT 1

+#endif

+