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In one Solution, I have two VC++ projects. Project A has linker inputs that are .obj files compiled by project B.
Visual Studio (2008) always tells me that project A is "out of date," and prompts me to ask if I want to rebuild it, every time I want to run/debug/build/etc. Even immediately after building the entire Solution: I do a successful full build, and then click Build again, and it wants to re-link Project A.
How can I prevent this from happening? Anyone understand what's going on here?
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A project is contained within a solution. Despite its name, a solution isn't an "answer". It's simply a container for one or more related projects, along with build information, Visual Studio window settings, and any miscellaneous files that aren't associated with a particular project.
Solutions are the containers for all your work in VS.NET. A solution contains a project for each build output. (For example, if you want to build a DLL, an EXE, and an MSI Installer file, your solution will contain three projects.) Projects themselves contain source files.
Build solution: Compiles code files (DLL and EXE) which are changed. Rebuild: Deletes all compiled files and compiles them again irrespective if the code has changed or not. Clean solution: Deletes all compiled files (DLL and EXE file).
A solution is a container to organize one or more related code projects, like a class library project and a corresponding test project.
I think that the solution is to stop using .obj files from the other project. Instead, factor the code that is common to both A and B projects into own static library C and link both A and B to it.
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I just had this problem with Visual Studio 2010 (both with and without SP1) and thanks to Ted Nugent I was able to fix it. The trick is to check whether all C++ header files listed in the project still exist, and remove the non-existing ones. Apparently this is a bug in the compiler.
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