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- Description
Compile
libcwd itself with -D_GLIBCXX_DEBUG. See "The libstdc++ debug mode" on
http://gcc.gnu.org/onlinedocs/libstdc++/debug.html.
Note that this flag changes the sizes and behavior of standard class templates such as std::vector, and therefore you can only link code compiled with debug mode and code compiled without debug mode if no instantiation of a container is passed between the two translation units. Because this is always the case between your custom debug.cc and libcwd, and most likely in many other cases-- libcwd enforces that every compilation unit that includes libcwd/debug.h uses the same mode.
- When to use it
It is a good idea to use this if you suspect problems related to iterators. The disadvantage is that you need to compile your applications also with -D_GLIBCXX_DEBUG and that this debug mode comes with a speed penality.
- Configure option
This is disabled by default. Use
configure --enable-glibcxx_debug to enable it.
Copyright © 2001 - 2004 Carlo Wood. All rights reserved.