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25.1 Running gnatstub

gnatstub has a command-line interface of the form:

     $ gnatstub [switches] filename [directory] [-cargs gcc_switches]


is the name of the source file that contains a library unit declaration for which a body must be created. The file name may contain the path information. The file name does not have to follow the GNAT file name conventions. If the name does not follow GNAT file naming conventions, the name of the body file must be provided explicitly as the value of the -obody-name option. If the file name follows the GNAT file naming conventions and the name of the body file is not provided, gnatstub creates the name of the body file from the argument file name by replacing the .ads suffix with the .adb suffix.
indicates the directory in which the body stub is to be placed (the default is the current directory)
gcc_switches’ is a list of switches for
gcc. They will be passed on to all compiler invocations made by gnatstub to generate the ASIS trees. Here you can provide -I switches to form the source search path, use the -gnatec switch to set the configuration file, use the -gnat05 switch if sources should be compiled in Ada 2005 mode etc.
is an optional sequence of switches as described in the next section