Re: g++ -D_LARGE_FILES=1 on AIX 5.3

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On Wed, Feb 22, 2006 at 05:32:56PM -0600, Albert Chin wrote:
> Using gcc 4.0.2 on AIX 5.3:
>   $ cat a.cxx
> #include <iostream>
>   $ g++ -D_LARGE_FILES=1 -c a.cxx
> /opt/TWWfsw/gcc402/include/c++/cstdio:108: error: '::fgetpos' has not been declared
> /opt/TWWfsw/gcc402/include/c++/cstdio:110: error: '::fopen' has not been declared
> /opt/TWWfsw/gcc402/include/c++/cstdio:115: error: '::freopen' has not been declared
> /opt/TWWfsw/gcc402/include/c++/cstdio:118: error: '::fsetpos' has not been declared
> 
> Compiling without -D_LARGE_FILES=1 works but why does building with
> -D_LARGE_FILES=1 cause a problem? Maybe because of the following in
> <stdio.h>:
>   #ifdef _LARGE_FILES
>   #define fseeko fseeko64
>   #define ftello ftello64
>   #define fgetpos fgetpos64
>   #define fsetpos fsetpos64
>   #define fopen fopen64
>   #define freopen freopen64
>   #endif /* _LARGE_FILES */

Actually, looks like this might be a bug because earlier in cstdio,
the above #defines are #undef'ed.

-- 
albert chin (china@xxxxxxxxxxxxxxxxxx)

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