Hi Fabian,
thank you for your quick reply.
Your solution got me further but I stumbled onto a next error:
*[ 29%] Building NVCC (Device) object
modules/core/CMakeFiles/cuda_compile.dir/src/cuda/cuda_compile_generated_gpu_mat.cu.onvcc
warning : The 'compute_20', 'sm_20', and 'sm_21' architectures are
deprecated, and may be removed in a future release (Use
-Wno-deprecated-gpu-targets to suppress warning).nvcc warning : The
'compute_20', 'sm_20', and 'sm_21' architectures are deprecated, and may be
removed in a future release (Use -Wno-deprecated-gpu-targets to suppress
warning)./usr/lib/gcc/x86_64-linux-gnu/6/include/stddef.h(436): error:
identifier "nullptr" is
undefined/usr/lib/gcc/x86_64-linux-gnu/6/include/stddef.h(436): error:
expected a ";"/usr/include/x86_64-linux-gnu/c++/6/bits/c++config.h(205):
error: expected a ";"/usr/include/c++/6/exception(63): error: expected a
";"*
I'm afraid that my knowledge of C is a little to limited to debug this one.
The code on the stddef.h file around line 436 looks like this:
*#if defined(__cplusplus) && __cplusplus >= 201103L#ifndef
_GXX_NULLPTR_T#define _GXX_NULLPTR_T typedef decltype(nullptr)
nullptr_t;#endif#endif /* C++11. */*
Hope you can help me further.
Greetings,
Nicolaas
On Tue, Sep 19, 2017 at 9:41 PM, Fábián Kristóf - Szabolcs
[hidden email] [OpenCV] <
[hidden email]> wrote:
>
>
> Hi,
>
>
> Of course you can fix this, just find host_config.h (locate host_config.h),
> and then open it and find these lines:
>
> #if __GNUC__ > 5 || (__GNUC__ == 5 && __GNUC_MINOR__ > 3)
>
> //#error -- unsupported GNU version! gcc versions later than 5.3 are not
> supported!
>
> #endif /* __GNUC__ > 5 || (__GNUC__ == 5 && __GNUC_MINOR__ > 1) */
>
> Here you have to comment out the #error one and you won't have this error
> anymore.
>
> Best,
>
> Fabian
>
>
>
> ------------------------------
> *Feladó:*
[hidden email] <
[hidden email]>, meghatalmazó:
> Nicolaas Heyning
[hidden email] [OpenCV] <
[hidden email]>
> *Elküldve:* 2017. szeptember 19. 21:11
> *Címzett:*
[hidden email]
> *Tárgy:* [OpenCV] Issues installing OpenCV on ubuntu 17.04 (gcc 6.3)
>
>
>
> Hi guys,
>
> I really want to get OpenCV running on my ubunty 17.04 laptop so I start
> some computer vision work.
> But during the make I keep getting an error that my gcc version is not
> supported
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
> * Building NVCC (Device) object
> modules/core/CMakeFiles/cuda_compile.dir/src/cuda/cuda_compile_generated_gpu_mat.cu.o
> nvcc warning : The 'compute_20', 'sm_20', and 'sm_21' architectures are
> deprecated, and may be removed in a future release (Use
> -Wno-deprecated-gpu-targets to suppress warning). In file included from
> /usr/local/cuda/include/cuda_runtime.h:78:0, from
> <command-line>:0: /usr/local/cuda/include/host_config.h:119:2: error:
> #error -- unsupported GNU version! gcc versions later than 5 are not
> supported! #error -- unsupported GNU version! gcc versions later than 5
> are not supported! ^~~~~ CMake Error at
> cuda_compile_generated_gpu_mat.cu.o.cmake:208 (message): Error generating
>
> /home/nicolaas/OpenCV/opencv-master/build/modules/core/CMakeFiles/cuda_compile.dir/src/cuda/./cuda_compile_generated_gpu_mat.cu.o
> modules/core/CMakeFiles/opencv_core.dir/build.make:63: recipe for target
> 'modules/core/CMakeFiles/cuda_compile.dir/src/cuda/cuda_compile_generated_gpu_mat.cu
> <
http://compile_generated_gpu_mat.cu>.o' failed make[2]: ***
> [modules/core/CMakeFiles/cuda_compile.dir/src/cuda/cuda_compile_generated_gpu_mat.cu
> <
http://compile_generated_gpu_mat.cu>.o] Error 1 CMakeFiles/Makefile2:2474:
> recipe for target 'modules/core/CMakeFiles/opencv_core.dir/all' failed
> make[1]: *** [modules/core/CMakeFiles/opencv_core.dir/all] Error 2
> Makefile:160: recipe for target 'all' failed make: *** [all] Error 2 *
> To try to fix it I also installed gcc 5.4 to see if this works but the
> error remains the same.
>
> Is there any way to solve this issue? Or am I the only one who has this
> problem.
>
> Love to hear from you,
> Nicolaas
>
> --
> www.l1nda.nl
> www.wittewalrus.com
>
>
>
--
www.l1nda.nl
www.wittewalrus.com
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