Re: Unable to compile ada-mode

[Colton Lewis]

On Saturday, October 10, 2020 6:27:09 PM CDT Stephen Leake wrote:
> > wisitoken.ads:80:04: instantiation error at
> > sal-gen_definite_doubly_linked_lists.adb:268
> 
> same bug, in sal-gen_definite_doubly_linked_lists.adb
> 
> > wisitoken.ads:80:04: instantiation error at
> > sal-gen_unbounded_definite_queues.ads:88
> 
> instantiation of sal-gen_definite_doubly_linked_lists.adb
> 
> > wisitoken.ads:80:04: access discriminant in return aggregate would be
> > a dangling reference
> 
> duplicate report
> 
> > wisi.ads:497:04: instantiation error at
> > sal-gen_unbounded_definite_red_black_trees.adb:308
> 
> same bug, in sal-gen_unbounded_definite_red_black_trees.adb
> 
> > wisi.ads:497:04: access discriminant in return aggregate would be a
> > dangling reference
> 
> duplicate report

Maybe I am not understanding something. I get errors with these lines
whether I have ".all" or not at 
sal-gen_unbouned_definite_red_black_trees.adb:308
and the other locations.

> 
> >> > clang-10: warning: argument unused during compilation:
> >> > '-specs=/tmp/GNAT-TEMP-000014.TMP' [-Wunused-command-line-argument]
> >>
> >> This I don't understand
> >
> > gprbuild grabs the first C compiler it can find on the system.
> 
> Ah.
> 
> > I have clang installed, so it uses that as the C compiler. Clang
> > doesn't support a "-spec" argument.
> 
> I gather gcc is not in user/bin, bug clang is?

Both are in /usr/bin, so they should have the same precedence in PATH.
Unknown why it grabs clang. Possibly because it is first alphabetically
or there is an unknown precedence list somewhere.

> >
> >
> > https://docs.adacore.com/gprbuild-docs/html/gprbuild_ug/companion_tools.html
> >
> > Might want to add
> > for Driver ("C") use "gcc";
> > somewhere.
> 
> That seems reasonable. Does it fix this issue for you?

Yes, I added it under package Compiler; in wisi.gpr.gp and that fixed it.