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From: zeta_no <olivier_henley@hotmail.com>
Newsgroups: comp.lang.ada
Subject: GCC conflict on Ubuntu for mixed Ada/C++ project
Date: Sun, 16 May 2010 20:29:17 -0700 (PDT)
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Date: 2010-05-16T20:29:17-07:00
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Hi to all,

With the distribution of GNAT GPL form Adacore Libre comes some code
examples like "ada_cpp" that presents mixed Ada/C++ projetcs.  My
problem is the following: In GPS, for the project to build, we need
GPRBUILD which uses GCC and the -gnat05 option.  Well, using GPRBUILD,
the ouput of a BUILD ALL tells me that GCC 4.4 installed by Ubuntu was
triggered, not GCC 4.3 coming with the GNAT distro.  How do I tell GPS
and GPRBUILD to use the good GCC? The problem is on the Ubuntu side or
GPRBUILD?

We have to admit that my setup is ugly.  I use GPS and GPRBUILD from
Adacore, but GNAT from Ubuntu.  That's not all.  I don't know why, but
by using GNAT from Ubuntu, the second example from ada_cpp,
animals.gpr, does not compile at all. I get the following error
mesage:

cannot import abstract subprogram "Number_Of_Teeth" declared at line
5.
cannot imp...

If someone could help me with my problem of GNAT versioning to resolve
the good use of GCC, I would really appreciate.  Just to confirm, I
did exported /usr/gnat/bin into my PATH env. variable.

Thanks in advance,

Olivier Henley