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Re: RFC: Default output destination

From: Pavel Roskin
Subject: Re: RFC: Default output destination
Date: Mon, 2 Oct 2000 08:12:10 -0400 (EDT)

Hello, Akim!

> which agrees with this behavior.  The question is then: did the author
> think about file_name=dir_part/base_part?  (And BTW, why the heck is
> there this `tab' part?)

To avoid overriding calc.c if it's a separate source file.

> /tmp % ls src *tab* -l                                           nostromo Err 
> 1
> -rw-r--r--    1 akim     lrde        27517 oct  2 17:38 y.tab.c
> src:
> total 4
> -rw-r--r--    1 akim     lrde         3335 oct  2 16:31 calc.y

I.e., the output goes to the current directory!

> | In any case, the makefiles should specify the output file explicitly
> | instead of relying on weird defaults.
> This is not possible simply with Yacc/Bison which (can) generates many
> files (*.output, *.h...).

But automake doesn't need all those files - it only needs the parcer.

> | This is not _that_ ugly as it seems - with Automake you want to put
> | sources where they belong - to the source directory.
> The difference source/build you are referring to is based on Automake
> concepts.  They have no sense at all for tools such as bison or gcc
> etc.  They have input and output.  I do not want them to try to grasp
> source/build.  I want them to behave uniformly: output *here*.

I realize that.

It's unfortunate that the native mode of Bison behaves in a less uniform
way than the yacc mode. I agree with your point. Bison maintainters may
want to fix it along with the documentation.

Pavel Roskin

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