Re: [Opencxx-users] __typeof is unknown

[Grzegorz J. <ja...@he...>]

On Sun, 8 Jun 2003, Dean Giberson wrote:

> First I would like to say that the method Grzegorz to fix my earlier
> problem worked. I've been working late nights and did not get a chance
> to try it until recently.
>
> Briefly how to replace the GC in opencxx is simple. Download the newest
> GC & replace the gc folder in opencxx. GC now has autotools support so
> you can just run ./configure && make. Then copy over the two missing
> file that opencxx requires for it's autoconf (Makefile.gc.in &
> Makefile.options.in) and run ./configure && make for opencxx. Works
> great. Thanks
>
> Now the new problem. Trying to compile the samples I get the following
> error:
>
> //////////////////////////////////////////////////////////////////////////////////
> ../src/occ -m -v -I../gc -I../src -- -g VerboseClass.mc
> [Preprocess...  g++ -I../gc -I../src -D__opencxx -E -o VerboseClass.occ
> -x c++ VerboseClass.mc]
> [Translate... VerboseClass.occ into: VerboseClass.ii]
> /usr/include/c++/3.2.2/i386-redhat-linux/bits/c++locale.h:48: parse
> error before `; }'
> MOP warning: The hash table is full.  Expanded...
> Produce VerboseClass-init.cc ..
> [Compile...  g++ -fPIC -shared -o VerboseClass-init.so VerboseClass-init.cc]
> 1 Error(s).  OpenC++ stops.
> make: *** [VerboseClass.so] Error 1
> //////////////////////////////////////////////////////////////////////////////////
>
> What seems to be happening is that the translator is getting hung up on
> the __typeof operator in the following code from
> '/usr/include/c++/3.2.2/i386-redhat-linux/bits/c++locale.h':
>
> //////////////////////////////////////////////////////////////////////////////////
> #if __GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ > 2)
> namespace __gnu_cxx
> {
>     extern "C" __typeof(uselocale) __uselocale;
> }
> #endif
> //////////////////////////////////////////////////////////////////////////////////
>
> My question is how do I bypass this? Of course it would be cool if
> opencxx understood the __typeof operator but simply not having it
> preprocessed in would be good enough for me right now.

Quick and dirty:

#define __typeof(x) int    // or any other type

If type of x is from nontrivial metaclass this of course will
not trigger user-defined translation.

Hope this helps.

Best regards
Grzegorz

>
> Thank you for any help,
> Dean Giberson
>
>
>
>
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##################################################################
# Grzegorz Jakacki                       Huada Electronic Design #
# Senior Engineer, CAD Dept.              1 Gaojiayuan, Chaoyang #
# tel. +86-10-64365577 x2074               Beijing 100015, China #
# Copyright (C) 2002 Grzegorz Jakacki, HED. All Rights Reserved. #
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