Visual Studio: project is not up to date “because ”AlwaysCreate“ was specified”?

Question

I\'ve migrated a solution from VS2008 to VS2010 (SP1).
Now one of my project never finds peace in being up-to-date. Every build have the following output:

Answer 1

I moved a solution to a new folder, and every time I built a new version or tried to debug, it would want to claim that all the projects that made up the solution were out of date, even though it had just built them.

I searched all the .vcxproj files, used DebugView with CPS=4 (see @Bzzt's answer above) and discovered it was looking for the header files in their OLD location. Since the solution was moved, not copied, those files did not exist.

What finally solved it for me was cleaning the solution and doing one rebuild. After that the "AlwaysCreate" was no longer causing it the "build" all the sub projects. You have to clean each configuration (debug and release) separately, but once it has been rebuilt from the clean state, all is well.

In my case it didn't actually do any building, but MSBuild or whatever decided things were out of date, was using some cached filepath that no longer existed. The Clean and Rebuild replaced that cache and then it built like expected