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From: Sandor Lengyel <slengyel@chello.hu>
Subject: Re: Compiling on Gentoo gnat (gcc) 4.1.1 fails on warning.
Newsgroups: comp.lang.ada
Date: Tue, 19 Sep 2006 14:45:52 +0200
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Date: 2006-09-19T14:45:52+02:00
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No there is no problem in compiling gnat-gcc (4.1.1). The problem is in
using it, although it might be a pecularity of ADA 2005.

For exampe in compiling gps 

 gnatgcc -c -g -gnatec=/usr/src/gpscvs/gps/glide/gnat_debug.adc -g -O -gnata
-gnatVa -gnatQ -gnaty -gnatwjmeurk -Wall -I-
-gnatA /usr/src/gpscvs/gps/src_editor/src/src_editor_module.adb
src_editor_module.adb:27:35: warning: "Color" is already use_visible through
declaration at src_editor_module.ads:24
src_editor_module.adb:31:35: warning: "Glib" is already use_visible through
declaration at src_editor_module.ads:22

Etc.

gnatmake: "/usr/src/gpscvs/gps/src_editor/src/src_editor_module.adb"
compilation error
make[1]: *** [internal-build] Error 4


In src_editor_module.ads

Line 24 is:

with Gdk.Color;          use Gdk.Color;

When I remove it and all the other lines which cause warning by duplication
the file compiles.



george@gentoo.org wrote:

> Sandor Lengyel wrote:
>> Subject says it all. Failure even happen if it doues not like the style
>> of a comment line.
>>   It is annoying.
>> Can I fix it, or do I have just to write a perfectly styled code.
> 
> Well, Ok:
> 
> 1. Can you please be more specific?
> a) Does it happend when you compile gnat-gcc itself or  when you
> compile your code with a newly built gnat?
> b) What is an error messare?
> c) What are the flags used (and other build parameters. In particular,
> did you use -gnatwe and style checks?)
> d) Please provide a (simplified) code example where it fails..
> 
> 2. Is this a gentoo-specific problem (did you test it elsewhere)? If
> so, why don't you use bugs.gentoo.org?
> 
> George