If a header file (also known as an include file) does not exist, the way it
appears in the source file determines whether it is included as a
dependency. The file is included if it has a "\" or a "/" in its file
specification. Additionally there is no warning that the file does not
exist when a dependency scan is done.
Adding the filename to the SYSINCL.DAT file (if you are using Visual C++
for Windows, versions 1.0 and 1.5) or to the MSVCINCL.DAT file (if you are
using Visual C++ for Windows NT, version 1.0) then restarting Visual C++
prevents the file from being included in the project. SYSINCL.DAT resides
in the \MSVC\BIN directory. MSVCINCL.DAT can be found in the Windows or
Windows NT directory.
Microsoft has confirmed this to be a bug in the products listed at the
beginning of this article. This problem was corrected in Visual C++ version
The following TEST.H files are included as a dependency in the project's