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From: "David C. Hoos, Sr." <david.c.hoos.sr@ada95.com>
Newsgroups: comp.lang.ada
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 <mailman.984777550.11120.comp.lang.ada@ada.eu.org>
Subject: Re: file list in a directory
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Date: Fri, 16 Mar 2001 18:53:18 -0600
Xref: supernews.google.com comp.lang.ada:5785
Date: 2001-03-16T18:53:18-06:00
List-Id: <comp.lang.ada>

You have to tell the linker in which library unit to find the missing
functions.  This is done (for example) by adding
-largs -L <library-directory> -l<abbreviated-library-file-name>
where the abbreviated <library-file-name> is formed by removing
"lib" from the beginning of the full file name, and removing
".a" from the end of the full file name.

"EtienneB" <etienne.baudin@wanadoo.fr> wrote in message
news:mailman.984777550.11120.comp.lang.ada@ada.eu.org...
> So, I tryed quickly to do it interfacing with but the linker did't agree
>
> ./test_rep.o(.text+0x3e):test_rep.adb: undefined reference to `_opendir'
> ./test_rep.o(.text+0x4f):test_rep.adb: undefined reference to `readDir'
> ./test_rep.o(.text+0x60):test_rep.adb: undefined reference to `closeDir'
> gnatmake: *** link failed.
>
> look at the imports
>    function openDir (szPath : chars_ptr) return dir_access;
>    pragma import (C, openDir, "_opendir");
>    function closeDir (Dir : dir_access) return integer;
>    pragma import (C, closeDir, "closeDir");
>    function readDir (Dir : dir_access) return dirent_access;
>    pragma import (C, readDir, "readDir");
>
> Thanks
> Etienne Baudin
>
>