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I have debug output in my program like this:
#define DEBUG ... #ifdef DEBUG std::cout << "[RE_words] " << m_re << std::endl; #endif and DEBUG is defined in my program manually. I always comment out the line when I make a release version. In Visual Studio, there are also Configurations for Debug vs Release versions which handle the commandline etc. used for compiling. Can I also use the Configuration "Debug" to automatically define DEBUG to the compiler? How?
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If a machine or device does something automatically, it does it independently, without human control: The camera adjusts the shutter speed automatically.
Some common synonyms of automatic are impulsive, instinctive, mechanical, and spontaneous.
without volition or from force of habit; mechanically: Whenever I hear that song, I automatically think of my dad. by a device or process requiring no human intervention: The switch can be operated automatically or manually. in a manner independent of a decision or action:Your membership will be renewed automatically.
Definition of automatic machine : a machine or machine tool (such as a spinning machine or lathe) that after once being set operates automatically except for applying the power, lubricating, supplying material, and shutting off the power.
The Visual Studio automatically defines _DEBUG symbol for Debug builds (and NDEBUG for non-debug builds).
Another way to do this is to go to the project settings -> configuration properties -> C/C++ -> preprocessor, and edit the preprocessor definitions manually.
See also:
This answer explains the differences between _DEBUG and NDEBUG in more detail.
This answer explains the purpose of the NDEBUG symbol and whether or not is it defined by the standard.
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