Re: C++, assert and NDEBUG

[Bob Friesenhahn]

On Sat, 27 Mar 2010, Steve Searle wrote:

> I have started using autotools for the C++ applications I create (very
> much as an amateur). I typically use assert statements during
> development, and would disable these by using -DNDEBUG when the release
> version is built. How should I configure things so that when a user
> installs from the tarball they compile by default with the -DNDEBUG
> option?

Do you actually see a performance difference from adding -DNDEBUG? 
In GraphicsMagick (which uses many assertions) I did not see a 
tangible performance difference so I did not worry about it.

The Autoconf default is already to compile with debug enabled so it 
seems that leaving assertions enabled by default is also a reasonable 
default.

Bob
--
Bob Friesenhahn
address@hidden, http://www.simplesystems.org/users/bfriesen/
GraphicsMagick Maintainer,    http://www.GraphicsMagick.org/