[Insight-users] gcc-2.95.2 compile error? : Nope, No compile error.

[Luis Ibanez]

Hi Feng,

ITK builds fine with gcc-2.95.

I just submitted an experimental build to the Dashboard.
http://www . itk . org/Testing/Dashboard/20030930-0500-Nightly/Dashboard . html

Please look at "starsend.kitware" in the Experimental builds.
http://www . itk . org/Testing/Sites/starsend . kitware/Linux-gcc-295/20030930-2110-Experimental/BuildError . html



Your compilation problem may originate from:


A) a compiler installation problem.
    since you are using both gcc 2.95 and gcc 3.3


     OR


B) a CMake configuration problem.

    A typical first suspect is the pair of environment
    variables "CC" and "CXX".



Please make sure that CC is set to gcc-2.95 and
CXX is set to g++-2.95, before you run "ccmake".


You may have to start from a clean new binary
directory, since it is possible that your previous
configurations were inconsistent.


---

If the legacy code compiled with gcc-2.95 is C++ code,
you may have to build ITK using the *same* compiler.
Unless the classes in the legacy code are completely
encapsulated and are not visible from your application.
(which is unlikely).



Regards,



   Luis


----------------
Feng Ma wrote:
> Hi,
> 
>  I am linking ITK together with some legacy code which was compiled with 
> gcc-2.95.2. When I tried to compile ITK with gcc-2.95.2, I got the 
> following error:
> 
> /r2net/r2/fma/ITK2.95.2/Utilities/MetaIO: building default_target
> Building object file metaBlob.o...
> In file included from 
> /opt/gcc-2.95.2/lib/gcc-lib/i686-pc-linux-gnu/2.95.2/../../../../include/g++-3/iostream.h:31, 
> 
>                 from 
> /opt/gcc-2.95.2/lib/gcc-lib/i686-pc-linux-gnu/2.95.2/../../../../include/g++-3/iostream:6, 
> 
>                 from 
> /r2net/space_fma2/Devel/InsightToolkit-1.4.0/Utilities/MetaIO/metaBlob.cxx:3: 
> 
> /opt/gcc-2.95.2/lib/gcc-lib/i686-pc-linux-gnu/2.95.2/../../../../include/g++-3/streambuf.h: 
> In method `struct streampos streambuf::pubseekoff(long long int, 
> ios::seek_dir, int = 3)':
> /opt/gcc-2.95.2/lib/gcc-lib/i686-pc-linux-gnu/2.95.2/../../../../include/g++-3/streambuf.h:362: 
> conversion from `__off64_t' to non-scalar type `streampos' requested
> /opt/gcc-2.95.2/lib/gcc-lib/i686-pc-linux-gnu/2.95.2/../../../../include/g++-3/streambuf.h: 
> In method `struct streampos streambuf::pubseekpos(_G_fpos64_t, int = 3)':
> /opt/gcc-2.95.2/lib/gcc-lib/i686-pc-linux-gnu/2.95.2/../../../../include/g++-3/streambuf.h:364: 
> `struct streampos' used where a `long long int' was expected
> make[5]: *** [metaBlob.o] Error 1
> 
> 
>  I am wondering if anyone encountered similiar problem before. I did the 
> search on mailist and didn't find  answers.
> 
>  The other question is: could I link gcc-3.3.1 compiled ITK libraries 
> with other libraries compiled using gcc-2.95.2?
> 
>  Thanks a lot.
> 
> -Feng
> 
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