HP aC++ Release Notes Version A.03.95 (5900-1789; September 2011)

HP aC++ Release Notes
New Features in Version A.03.25
Chapter 1 65
the -Wc,-longdouble,old_alignment option.
-D__HPACC_THREAD_SAFE_RB_TREE Macro Ensures Thread Safety
The Rogue Wave Standard C++ Library 1.2.1 (libstd) and Tools.h++ 7.0.6 (librwtool) are not thread safe in
all cases. The -D__HPACC_THREAD_SAFE_RB_TREE preprocessor macro ensures thread safety.
For more details, refer to HP aC++ Online Programmers Guide.