Why is the Compile menu option is grayed out in my Visual Studio C++ makefile project? -


so poking around c++ makefile projects using "visual studio 2012".
grasped concept of creating proper makefile (file) , integrating in visual studio ide in order build/clean project using gui menu options, without command line.

the problem have compile single file through menu option: build->compile (or keys combination ctrl+f7 in case) disabled (grayed out) reason.

so first off know if behavior standard c++ makefile projects using visual studio or might missing out.
in case compile menu option should enabled, know how setup makefile project correspondingly.


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