[Rock-dev] Important note about boost::circular_buffer

[Sylvain Joyeux]

Translated Summary: if you compile two shared libraries, one in Debug 
and the other one in Release, and both use a boost::circular_buffer<T> 
(with T being the same on both libraries), then a program that uses both 
libraries will crash. In practice for us, this was happening with 
StreamAligner<T> that I recently moved to use circular_buffer to avoid 
memory allocation and copying.

Summary: boost::circular_buffer changes its ABI depending on whether it 
is compiled with NDEBUG defined or not

Temporary Fix: include base/circular_buffer.h instead than 
boost/circular_buffer.hpp to include boost::circular_buffer. The class 
is still called boost::circular_buffer<T>.

Long-term fix: Boost maintainer should fix this issue.
-- 
Sylvain Joyeux (Dr.Ing.)
Space & Security Robotics

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