On Wed, Apr 11, 2012 at 04:25:32PM +0530, Atri wrote:
> On Wed, 2012-04-11 at 09:56 +0100, Andrew Ross wrote:
> > On Wed, Apr 11, 2012 at 02:57:23AM +0530, Atri wrote:
> > >
> > Thanks for this. In svn there is an alternative fix to your patch
> > which checks for the version of gnat detected then looks for
> > the gnat-${VERSION} library. This avoids potential mismatches between
> > gnat compiler and library. Obviously this isn't working on your
> > system as the gnat version is given as blank above. Could you
> >
> > 1) Give me the output of gnatgcc --version.
>
> All Ada/GNAT compilation in openSUSE is done, as far as I know, by
> invoking "gcc -c filename.adb" or "gnatmake". I could find no command
> called gnatgcc here. The version shown by the command "gnat" is:-
> GNAT 4.6.3
>
> The gcc version is also the same:
> gcc version 4.6.3
>
> > 2) Check what the gnat library is actually called. Should be
> > something like libgnat or libgnat-4.6
>
> Then gnat library is indeed called libgnat-4.6
> (file /usr/lib64/libgnat-4.6 on my system).
>
> > 3) Try modifying cmake/modules/ada to output what CMAKE_Ada_Compiler
> > is actually set to (should be gnatgcc?)
> >
>
> I had cmake print the output as you asked [1], and here is what it
> gives:
> CMAKE_Ada_COMPILER = /usr/bin/gcc
>
> This might therefore be the source of the problem, namely, that the next
> line in the ada.cmake file
>
> string(REGEX MATCH "gnatgcc [(][^)]*[)] ([0-9]*[.][0-9]*)[.][0-9]"
> ADA_OUTPUT_TRIM ${ADA_OUTPUT})
>
> tries to do a regex matching with the string "gnatgcc *" which clearly
> fails on openSUSE due to the compiler being simply gcc instead of
> gnatgcc.
You are right. This is indeed the issue. I've changed the string in
the REGEX from gnatgcc to gcc, which should work in both cases, and
committed this to svn. Could you try this minor change and check it
fixes your problem?
Thanks
Andrew
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