getting compile-time date and time without macros

Question

using c++

I compile my code on an automated schedule and need to use the time at which the code was compiled in the code itself. Currently I\'m just using the

Answer 1

It's not clear to me what you want. If it's the last modified time of the file, getting it will depend on your system and build system: something like -D $(shell ls -l --time-style=long-iso $< | awk '{ print $7, $8 }') could be used in the compiler invocation with GNU make under Linux, for example. But of course, it means that if an include file was changed, but not the source, the time and date wouldn't reflect it.