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This section describes how to build a GNAT-compatible (COFF) object file
containing the resources. This is done using the Resource Compiler
windres as follows:
$ windres -i myres.rc -o myres.o
By default windres will run gcc to preprocess the .rc
file. You can specify an alternate preprocessor (usually named
cpp.exe) using the windres --preprocessor
parameter. A list of all possible options may be obtained by entering
the command windres --help.
It is also possible to use the Microsoft resource compiler rc.exe
to produce a .res file (binary resource file). See the
corresponding Microsoft documentation for further details. In this case
you need to use windres to translate the .res file to a
GNAT-compatible object file as follows:
$ windres -i myres.res -o myres.o