#158 Sun C++ compiler build failure

[The Written Word (Albert Chin)]

The Sun C++ compiler fails while building 3.0.4:
CC -c -O2 -DNO_DEBUG -I. -I/opt/TWWfsw/libqt33/include
-o optionsDialog.o optionsDialog.cpp
"./exceptions.h", line 121: Error: Function
XxUsageError::~XxUsageError() can throw only the
exceptions thrown by the function
std::domain_error::~domain_error() it overrides.
"./exceptions.h", line 142: Error: Function
XxIoError::~XxIoError() can throw only the exceptions
thrown by the function
std::runtime_error::~runtime_error() it overrides.
"./exceptions.h", line 163: Error: Function
XxInternalError::~XxInternalError() can throw only the
exceptions thrown by the function
std::runtime_error::~runtime_error() it overrides.