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From: Simon Wright <simon@pushface.org>
Newsgroups: comp.lang.ada
Subject: Re: Configurable Run Time without GPR Tools
Date: Tue, 05 Nov 2019 09:18:22 +0000
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Date: 2019-11-05T09:18:22+00:00
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"Dmitry A. Kazakov" <mailbox@dmitry-kazakov.de> writes:

> On 2019-11-05 06:47, Daniel Way wrote:

>> - are the GPR tools absolutely necessary for building a run time, or
>> is there another way to compile standard library packages?

> They are not necessary. You can use gnatmake or even just gcc and
> gnatbind etc. Yet gprbuild saves a huge amount of time and work,
> especially for large projects. It is also quite powerful and safe when
> it comes to multiple targets within same project. It really pays off
> to learn it a bit.

If you look at e.g. $prefix/arm-eabi/lib/gnat/zfp-stm32f4 you'll see
runtime.xml which gprbuild uses to control the target-specific switches
for the compiler and linker. It saves a lot of grief to let gprbuild do
this.