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Re: advanced auto-dependencies

From: Greg Chicares
Subject: Re: advanced auto-dependencies
Date: Fri, 06 Feb 2004 13:43:47 -0500

Boris Kolpackov wrote:
> Suppose we have
> 'hello.idl' which can be compiled to 'hello_stub.hpp' and 'hello_stub.cpp'.
> Plus we have 'client.cpp' which includes 'hello_stub.hpp' and gets compiled
> into client.o. Finally, 'client.o' and 'hello_stub.o' are used to produce
> 'client':
> client : client.o hello_stub.o
>         g++ -o $@ $^
> -include client.o.d      # dependencies for client.o
> -include hello_stub.o.d  # dependencies for hello_stub.o
> hello_stub.hpp hello_stub.cpp : hello.idl
>         idlc hello.idl
> In the makefile fragment above I assume that there is an implicit rule
> to compile .cpp to .o and generate dependencies at the same time.

Here, it appears that the top-level language is not C++ but
rather 'idl', which uses C++ as an intermediate language.
If that's the case, then you'll need a tool that generates
dependency files from .idl files--automatically generating
dependencies among intermediate C++ files isn't enough.

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