From: Thomas Demmer <demmer AT LSTM DOT Ruhr-UNI-Bochum DOT De>
Newsgroups: comp.os.msdos.djgpp
Subject: Re: RHIDE Question.
Date: Fri, 17 Oct 1997 08:16:32 +0200
Organization: Lehrstuhl fuer Stroemungsmechanik
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Eli Zaretskii wrote:
> 
> On Tue, 14 Oct 1997, Peter Palotas wrote:
[...]
>>
>> Well, I think I can give an example. I want to compile a file which outputs
>> a headerfile (.h). And this file is included in some of the .C* files that
>> I compile. (Compile might be the wrong work, but anyway... I use some AWK
>> scripts/programs and CPP to generate a headerfile from several others
>> anyway, and this has to be created *before* any of the other files are
>> compiled).
> 
> This should be done by Make.  Make will ensure that any target
> required to produce another target is made first.
...with the slight problem that RHIDE doesn't uses make internally,
AFAIK.
RHIDE doesn't know about intermediate files, I try to teach a little
bison
and flex to it, but it even the Makefile (from Project/Write Makefile) 
has preoblems sometimes.


> 
> However, I think I have a case where the link order really is
> important.  This is when one or more of the modules being linked use
> functions with `__attribute__((constructor))' or ((destructor)).
> 
> For example, imagine that a program uses Filesystem Extensions to
> install handlers for some special files, and uses the constructor
> attribute to make the installation happen before `main' gets called.
> 
> These functions will be invoked by the startup/exit code in the order
> they are seen by the linker.  And that order might be important,
> e.g. when one function needs to install itself ahead of others, so it
> sees the calls first.

Hmm, tricky.
-- 
Ciao
Tom

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* Thomas Demmer                                             *
* Lehrstuhl fuer Stroemungsmechanik                         *
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