[gtkada] another path error when specified DESTDIR during installation

[Jacob Sparre Andersen]

Emmanuel Briot wrote:

>> No.  That is what you use "prefix" for.  "DESTDIR" is for
>> installing to a different directory than where the files are
>> actually going to be used.
>
> Yes, I know the difference between prefix and DESTDIR.

> But in the case of an absolute path coded in a project, we definitely want 
> both ${DESTDIR}${prefix}, since that's the actual path where the library is 
> available.

But it isn't where it is going to be used.

I would typically use it by setting "DESTDIR" to 
"/tmp/gtkada" and "prefix" to "/usr" when I build the 
library, but only to package the library for later use. 
When I actually use the library I would copy the package to 
"/usr" and not to "/tmp/gtkada/usr".

Greetings,

Jacob
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