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From: Britt Snodgrass <britt.snodgrass@gmail.com>
Newsgroups: comp.lang.ada
Subject: Re: GnatBench (from GPL edition)
Date: Wed, 26 Mar 2008 07:35:48 -0700 (PDT)
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On Mar 26, 5:19 am, John McCabe <j...@nospam.assen.demon.co.uk> wrote:
>>
> What is a .gb_project file? I don't have one of those.
>

I think the lack of a .gb_project file may be cause of your problem.
The GNATbench Ada project wizard is supposed to create a .gb_project
file in addition to the .project and .cproject files.

In your case it should look something like the following"

xml version="1.0" encoding="UTF-8" standalone="no"?
><Root><Properties><com.adacore.gnatbench.isRootProject>true</
com.adacore.gnatbench.isRootProject><com.adacore.gnatbench.gprPath>AdaStartProj.gpr</
com.adacore.gnatbench.gprPath></Properties><Scenarios><BUILD>MF</
BUILD></Scenarios></Root>

all on one long line.  The "gprPath" part in the middle can contain
either an absolute path to your .project file or a relative path,
relative to the location of the .project file (i.e. the location of
the Eclipse project.

My example above was created with GNATbench 2.1.0.

My .project file doesn't contain any special arguments in the
gnatbench builder section.  I think those are always specified either
in the Makefile itself or in the .gpr file.

Here's the strange part.  I spent about 20 minutes last night setting
up Eclipse 3.3.2, CDT 3.1.2 and GNATbench 2.0.1 again.  When I created
a "Hello World" Ada project I encountered almost the same problem
you're having - no .gb_project file - and also an error message about
not being able to execute gnatls (even though gnatls can be found my
Windows system path).  I'm pretty sure this all worked last fall when
I last used GNATbench 2.0.1 but its not working now.  I suspect it is
an installation problem but I may not have time to investigate it
before next week.  I'll let you know.

- Britt