Re: [Blitz-support] CVS compile problem on MacOSX

[Patrik J. <pa...@uc...>]

Hey Yves,

There's been similar problems before, where there's been a conflict
between machine-specific defines and the gcc define. The solution
seems to be that the test for __GNU__ should always come before any
other environment tests (but after the Intel test, IIRC, as the intel
compiler also pretents it's a gnu compiler...)

It's messy, somehow it seems it would be better handled solely by the
config script, which clearly knows which compiler's in use. What's the
point in making a compiler specific bzconfig.h but then putting it in
a compiler-dependent directory? It seems once the bzconfig.h has been
made, it should just be used. Or is this in case there are several
different compilers in use?

cheers,

/Patrik


On Fri, Mar 20, 2009 at 3:03 PM, Yves Delley <de...@st...> wrote:
> Hi one more
>
> I had problems compiling the current CVS version on MacOSX 10.5 using
> gcc 4.? The problem stems from the fact that "blitz/bzconfig.h" tried to
> include "blitz/apple/bzconfig.h", instead of "blitz/gnu/bzconfig.h", but
> the directory "blitz/apple" does not exist. As far as I understood it
> means that the "./configure" did correctly determine that I intend to
> use GNU GCC. "blitz/bzconfig.h" on the other hand determines that I want
> to use some IBM compiler I do not know, based on the "#ifdef __APPLE__".
> Note that blitz-0.9 did work without a glitch due to the fact that there
> this line did read "#ifdef __APPLE". I do not know what exactly is now
> wrong. Note that I did not set any options during configure, or export
> any nonstandard environment variables. Apparently GCC on MacOSX defines
> __APPLE__ automatically.
> Just a swapping the order of the "#ifdef __APPLE__ \
> #include<blitz/apple/bzconfig.h>" and "#ifdef __GNU__ \
> #include<blitz/gnu/bzconfig.h>" works for me, but I'm not sure if that
> would break other platforms. Maybe a more complicated decision scheme is
> needed.
>
> Best regards and thank you again for developing Blitz++
> Yves Delley
>
>
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