You can use either – or / to introduce these command line options.
Specify only one of the following:
H | This option displays help only. To build your application, reenter the command line and use either -BUILD or -BUILDALL. |
BUILD | Rebuilds only files that have changed. |
BUILDALL | Links your program with the shared run-time system using an import library. |
If you do not specify either BUILD or BUILDALL, projmake behaves as if BUILD had been specified.