On platforms that support a deprecation attribute, produce a deprecation warning if the specified COND is true, otherwise do nothing. The specified MSG is ignored, but must be a string literal and should describe why the condition (if true) is undesirable.
Declared in <bslma_usesbslmaallocator.h>
#define BSLMA_USESBSLMAALLOCATOR_DEPRECATE_IF(COND, MSG)