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From: Simon Wright <simon@pushface.org>
Newsgroups: comp.lang.ada
Subject: Re: Difference between gprbuild and gnatmake
Date: Thu, 13 Jul 2017 07:03:53 +0100
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Date: 2017-07-13T07:03:53+01:00
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Victor Porton <porton@narod.ru> writes:

> From another thread:
>
>> You should probably be using gprbuild, not gnatmake.
>
> What is the difference? Is gprbuild a newer version of gnatmake? What are 
> their differences?

gnatmake is part of the compiler suite (it's used in the compiler
build). gprbuild is not part of the compiler; it used only to be
generally available in source form as part of GNAT GPL releases, but
nowadays it's on github[1].

>From there, "GPRbuild is an advanced build system designed to help
automate the construction of multi-language systems."; it understands
multiple languages (C, C++, Fortran at least - I haven't tried Fortran).

GCC 6 said

   warning: gnatmake -P is obsolete and will not be available in the
   next release; use gprbuild instead

but in fact GCC 8.0.0's gnatmake will accept project files (to some
extent, anyway, on a simple test).

[1] https://github.com/AdaCore/gprbuild