Re: [Vxl-users] Trouble Compiling VXL: 'UINT64_C' was not declared in this scope

[Antonio G. C. <A.G...@de...>]

   Hi,

   I had this problem some time ago. I do not remember the best 
solution, but I solved it by changing the following definition in 
CMakeCache.txt

//Flags used by the compiler during all build types.
CMAKE_CXX_FLAGS:STRING=-D__STDC_CONSTANT_MACROS

I think some people proposed other solutions because this is not the 
best one, or there are other collateral problems... I am not sure. 
Anyway, it worked.

Antonio

El 24/01/11 05:18, Andrew Hoelscher escribió:
> I'm trying to compile VXL 1.14 on Ubuntu 10.10 using GCC 4.4.5. The
> error message I get is:
>
>
>     [ 30%] Building CXX object
> core/vidl/CMakeFiles/vidl.dir/vidl_ffmpeg_convert.o
>     In file included from /usr/include/libavutil/avutil.h:81,
>                      from /usr/include/libavcodec/avcodec.h:30,
>                      from
> /home/anjruu/Noah/vxl/core/vidl/vidl_ffmpeg_convert.h:21,
>                      from
> /home/anjruu/Noah/vxl/core/vidl/vidl_ffmpeg_convert.cxx:12:
>     /usr/include/libavutil/common.h: In function
> ‘int32_tav_clipl_int32(int64_t)’:
>     /usr/include/libavutil/common.h:154: error: ‘UINT64_C’ was not
> declared in this scope
>     make[2]: *** [core/vidl/CMakeFiles/vidl.dir/vidl_ffmpeg_convert.o] Error 1
>     make[1]: *** [core/vidl/CMakeFiles/vidl.dir/all] Error 2
>     make: *** [all] Error 2
>
>
> I have tried the solution given on this list already, where we execute
> `CXX_FLAGS=${CXX_FLAGS}" -D__STDC_CONSTANT_MACROS"` before the cmake
> command. I may have misunderstood what I was supposed to do, but it
> didn't solve the problem. All I should do is enter the above command,
> press enter, and then enter "cmake VXLSRC", where VXLSRC is the root
> of the vxl tree, right? When I try and echo CXX_FLAGS (echo
> $CXX_FLAGS), I get -D__STDC_CONSTANT_MACROS, so I'm thinking I defined
> it right... Is there another solution, or did I implement the other
> one incorrectly?
>
> Thanks!
>
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