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From: =?utf-8?Q?Yannick_Duch=C3=AAne_=28Hibou57?=
 =?utf-8?Q?=29?=
 <yannick_duchene@yahoo.fr>
Newsgroups: comp.lang.ada
Subject: Re: Specifying an `--RTS` option in a GPR file, for a runtime library
Date: Mon, 15 Apr 2013 15:27:00 +0200
Organization: Ada @ Home
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Date: 2013-04-15T15:27:00+02:00
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Le Sun, 14 Apr 2013 21:54:20 +0200, Yannick Duch=C3=AAne (Hibou57)  =

<yannick_duchene@yahoo.fr> a =C3=A9crit:
>
> I can't understand what's wrong, according to
> http://gcc.gnu.org/onlinedocs/gcc-4.1.2/gnat_ugn_unw/Switches-for-gnat=
make.html
> it should works as follow:
>
> (documentations says)
>> --RTS=3Drts-path
>> Specifies the default location of the runtime library.GNAT looks for =
 =

>> the runtime in the following directories,and stops as soon as a valid=
  =

>> runtime is found (adaincludeor ada_source_path, and adalib or  =

>> ada_object_path present):
>>
>>        <current directory>/$rts_path
>>        <default-search-dir>/$rts_path
>>        <default-search-dir>/rts-$rts_path

There's something else on the same topic:

http://gcc.gnu.org/onlinedocs/gcc-4.1.2/gnat_ugn_unw/Switches-and-Projec=
t-Files.html
(documentation says)
> When using gnatmake with project files, some switches or argumentsmay =
be  =

> expressed as relative paths. As the working directory wherecompilation=
  =

> occurs may change, these relative paths are convertedto absolute paths=
.  =

> For the switches found in a project file, therelative paths are relati=
ve  =

> to the project file directory, for theswitches on the command line, th=
ey  =

> are relative to the directorywhere gnatmake is invoked. The switches f=
or  =

> which this occurs are:-I, -A, -L, -aO, -aL, -aI, as well as all  =

> arguments that are notswitches (arguments to switch -o, object files  =

> specified inpackage Linker or after -largs on the command line). The  =

> exceptionto this rule is the switch =E2=80=93RTS=3D for which a relati=
ve path  =

> argumentis never converted.

So there is finally an exception with the `--RTS` option. But that  =

document talks about GNATMake, not GPRBuild. Also, it says nothing about=
  =

the same option in a project file.

(still searching for more material)

-- =

=E2=80=9CSyntactic sugar causes cancer of the semi-colons.=E2=80=9D [1]
=E2=80=9CStructured Programming supports the law of the excluded muddle.=
=E2=80=9D [1]
[1]: Epigrams on Programming =E2=80=94 Alan J. =E2=80=94 P. Yale Univers=
ity