[poppler] Can't open files bigger than 2 GB on linux with cmake-generated config.h

[Albert Astals Cid]

El Divendres, 26 d'abril de 2013, a les 01:24:41, Fabio D'Urso va escriure:
> Hi,

Hi

> 
> I compile poppler via CMake and, if I try to open a large file (>2 GB) on my
> 32-bit linux system, I get the following error:
>  Error: Couldn't open file 'big.pdf': Value too large for defined data type.
> 
> Turns out that open() refuses to open large files unless
>  #define _FILE_OFFSET_BITS 64
> is defined.
> 
> So I've checked how config.h is generated and I noticed that only autotool's
> config.h.in defines _FILE_OFFSET_BITS.
> CMake's config.h.cmake has this and a few similar macros commented out:
> 
>  /* Number of bits in a file offset, on hosts where this is settable. */
>  /* #undef _FILE_OFFSET_BITS */
> 
>  /* Define to 1 to make fseeko visible on some hosts (e.g. glibc 2.2). */
>  /* #undef _LARGEFILE_SOURCE */
> 
>  /* Define for large files, on AIX-style hosts. */
>  /* #undef _LARGE_FILES */
> 
> On my system, manually setting #define _FILE_OFFSET_BITS 64
> in the generated config.h file is enough to make LFS work.
> 
> Unfortunately, cmake stuff is out of my comfort zone, so I can't write a
> proper patch myself :(

Can you try the following patch and tell me if it helps?

Cheers,
  Albert

> 
> Fabio
> 
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