CMAKE_C_COMPILER error

[nguyen-huong]

When I tried to do make -jnproc it gives me this error, I think it has to do CUDA 9.0 gcc version being later than 6.0. I tried to downgraded and it gives an unknown compiler identification (second result).

After make -jnproc:
-- The C compiler identification is GNU 7.5.0
-- The CXX compiler identification is GNU 7.5.0
-- Check for working C compiler: /usr/bin/cc
-- Check for working C compiler: /usr/bin/cc -- works
-- Detecting C compiler ABI info
-- Detecting C compiler ABI info - done
-- Detecting C compile features
-- Detecting C compile features - done
-- Check for working CXX compiler: /usr/bin/c++
-- Check for working CXX compiler: /usr/bin/c++ -- works
-- Detecting CXX compiler ABI info
-- Detecting CXX compiler ABI info - done
-- Detecting CXX compile features
-- Detecting CXX compile features - done
-- GCC detected, adding compile flags
-- GCC detected, adding compile flags
-- Looking for pthread.h
-- Looking for pthread.h - found
-- Performing Test CMAKE_HAVE_LIBC_PTHREAD
-- Performing Test CMAKE_HAVE_LIBC_PTHREAD - Failed
-- Looking for pthread_create in pthreads
-- Looking for pthread_create in pthreads - not found
-- Looking for pthread_create in pthread
-- Looking for pthread_create in pthread - found
-- Found Threads: TRUE
-- Found CUDA: /usr (found version "9.1")
-- Building with CUDA.
-- CUDA detected: 9.1
-- Found cuDNN: ver. 8.4.0 found (include: /usr/include, library: /usr/lib/x86_64-linux-gnu/libcudnn.so)
-- Added CUDA NVCC flags for: sm_61
-- Found cuDNN: ver. 8.4.0 found (include: /usr/include, library: /usr/lib/x86_64-linux-gnu/libcudnn.so)
-- Found GFlags: /usr/include
-- Found gflags (include: /usr/include, library: /usr/lib/x86_64-linux-gnu/libgflags.so)
-- Found Glog: /usr/include
-- Found glog (include: /usr/include, library: /usr/lib/x86_64-linux-gnu/libglog.so)
-- Found Protobuf: /usr/local/lib/libprotobuf.so;-lpthread (found version "3.20.1")
-- Found OpenCV: /usr (found version "3.2.0")
-- Caffe will be downloaded from source now. NOTE: This process might take several minutes depending
on your internet connection.
-- Caffe has already been downloaded.
HEAD is now at 1807aada Added Ampere arch's (CUDA11)
-- Caffe will be built from source now.
-- Download the models.
-- Downloading BODY_25 model...
-- Model already exists.
-- Not downloading body (COCO) model
-- Not downloading body (MPI) model
-- Downloading face model...
-- Model already exists.
-- Downloading hand model...
-- Model already exists.
-- Models Downloaded.
-- Configuring done
-- Generating done
-- Build files have been written to: /home/huong/openpose/build/UILD
huong@pratyusha-HP-Z840-Workstation:~/openpose/build$ make -jnproc
[ 12%] Performing build step for 'openpose_lib'
[ 1%] Built target caffeproto
[ 2%] Building NVCC (Device) object src/caffe/CMakeFiles/cuda_compile_1.dir/layers/cuda_compile_1_generated_absval_layer.cu.o
[ 4%] Building NVCC (Device) object src/caffe/CMakeFiles/cuda_compile_1.dir/layers/cuda_compile_1_generated_base_data_layer.cu.o
[ 4%] Building NVCC (Device) object src/caffe/CMakeFiles/cuda_compile_1.dir/layers/cuda_compile_1_generated_conv_layer.cu.o
[ 2%] Building NVCC (Device) object src/caffe/CMakeFiles/cuda_compile_1.dir/layers/cuda_compile_1_generated_cudnn_lcn_layer.cu.o
[ 4%] Building NVCC (Device) object src/caffe/CMakeFiles/cuda_compile_1.dir/layers/cuda_compile_1_generated_batch_norm_layer.cu.o
[ 4%] Building NVCC (Device) object src/caffe/CMakeFiles/cuda_compile_1.dir/layers/cuda_compile_1_generated_batch_reindex_layer.cu.o
[ 4%] Building NVCC (Device) object src/caffe/CMakeFiles/cuda_compile_1.dir/layers/cuda_compile_1_generated_cudnn_conv_layer.cu.o
[ 4%] Building NVCC (Device) object src/caffe/CMakeFiles/cuda_compile_1.dir/util/cuda_compile_1_generated_math_functions.cu.o
[ 4%] Building NVCC (Device) object src/caffe/CMakeFiles/cuda_compile_1.dir/layers/cuda_compile_1_generated_crop_layer.cu.o
[ 4%] Building NVCC (Device) object src/caffe/CMakeFiles/cuda_compile_1.dir/layers/cuda_compile_1_generated_contrastive_loss_layer.cu.o
[ 4%] Building NVCC (Device) object src/caffe/CMakeFiles/cuda_compile_1.dir/layers/cuda_compile_1_generated_accuracy_layer.cu.o
[ 5%] Building NVCC (Device) object src/caffe/CMakeFiles/cuda_compile_1.dir/layers/cuda_compile_1_generated_cudnn_deconv_layer.cu.o
[ 5%] Building NVCC (Device) object src/caffe/CMakeFiles/cuda_compile_1.dir/layers/cuda_compile_1_generated_concat_layer.cu.o
[ 5%] Building NVCC (Device) object src/caffe/CMakeFiles/cuda_compile_1.dir/layers/cuda_compile_1_generated_bnll_layer.cu.o
[ 6%] Building NVCC (Device) object src/caffe/CMakeFiles/cuda_compile_1.dir/layers/cuda_compile_1_generated_clip_layer.cu.o
[ 8%] Building NVCC (Device) object src/caffe/CMakeFiles/cuda_compile_1.dir/layers/cuda_compile_1_generated_bias_layer.cu.o
In file included from /usr/include/host_config.h:50:0,
from /usr/include/cuda_runtime.h:78,
from :0:
/usr/include/crt/host_config.h:121:2: error: #error -- unsupported GNU version! gcc versions later than 6 are not supported!
#error -- unsupported GNU version! gcc versions later than 6 are not supported!
^~~~~
In file included from /usr/include/host_config.h:50:0,
from /usr/include/cuda_runtime.h:78,
from :0:
/usr/include/crt/host_config.h:121:2: error: #error -- unsupported GNU version! gcc versions later than 6 are not supported!
#error -- unsupported GNU version! gcc versions later than 6 are not supported!
^~~~~
In file included from /usr/include/host_config.h:50:0,
from /usr/include/cuda_runtime.h:78,
from :0:
/usr/include/crt/host_config.h:121:2: error: #error -- unsupported GNU version! gcc versions later than 6 are not supported!
#error -- unsupported GNU version! gcc versions later than 6 are not supported!
^~~~~
In file included from /usr/include/host_config.h:50:0,
from /usr/include/cuda_runtime.h:78,
from :0:
/usr/include/crt/host_config.h:121:2: error: #error -- unsupported GNU version! gcc versions later than 6 are not supported!
#error -- unsupported GNU version! gcc versions later than 6 are not supported!
^~~~~
In file included from /usr/include/host_config.h:50:0,
from /usr/include/cuda_runtime.h:78,
from :0:
/usr/include/crt/host_config.h:121:2: error: #error -- unsupported GNU version! gcc versions later than 6 are not supported!
#error -- unsupported GNU version! gcc versions later than 6 are not supported!
^~~~~
In file included from /usr/include/host_config.h:50:0,
from /usr/include/cuda_runtime.h:78,
from :0:
/usr/include/crt/host_config.h:121:2: error: #error -- unsupported GNU version! gcc versions later than 6 are not supported!
#error -- unsupported GNU version! gcc versions later than 6 are not supported!
^~~~~
In file included from /usr/include/host_config.h:50:0,
from /usr/include/cuda_runtime.h:78,
from :0:
/usr/include/crt/host_config.h:121:2: error: #error -- unsupported GNU version! gcc versions later than 6 are not supported!
#error -- unsupported GNU version! gcc versions later than 6 are not supported!
^~~~~
In file included from /usr/include/host_config.h:50:0,
from /usr/include/cuda_runtime.h:78,
from :0:
/usr/include/crt/host_config.h:121:2: error: #error -- unsupported GNU version! gcc versions later than 6 are not supported!
#error -- unsupported GNU version! gcc versions later than 6 are not supported!
^~~~~
In file included from /usr/include/host_config.h:50:0,
from /usr/include/cuda_runtime.h:78,
from :0:
/usr/include/crt/host_config.h:121:2: error: #error -- unsupported GNU version! gcc versions later than 6 are not supported!
#error -- unsupported GNU version! gcc versions later than 6 are not supported!
^~~~~
In file included from /usr/include/host_config.h:50:0,
from /usr/include/cuda_runtime.h:78,
from :0:
/usr/include/crt/host_config.h:121:2: error: #error -- unsupported GNU version! gcc versions later than 6 are not supported!
#error -- unsupported GNU version! gcc versions later than 6 are not supported!
^~~~~
In file included from /usr/include/host_config.h:50:0,
from /usr/include/cuda_runtime.h:78,
from :0:
/usr/include/crt/host_config.h:121:2: error: #error -- unsupported GNU version! gcc versions later than 6 are not supported!
#error -- unsupported GNU version! gcc versions later than 6 are not supported!
^~~~~
In file included from /usr/include/host_config.h:50:0,
from /usr/include/cuda_runtime.h:78,
from :0:
/usr/include/crt/host_config.h:121:2: error: #error -- unsupported GNU version! gcc versions later than 6 are not supported!
#error -- unsupported GNU version! gcc versions later than 6 are not supported!
^~~~~
In file included from /usr/include/host_config.h:50:0,
from /usr/include/cuda_runtime.h:78,
from :0:
/usr/include/crt/host_config.h:121:2: error: #error -- unsupported GNU version! gcc versions later than 6 are not supported!
#error -- unsupported GNU version! gcc versions later than 6 are not supported!
^~~~~
In file included from /usr/include/host_config.h:50:0,
from /usr/include/cuda_runtime.h:78,
from :0:
/usr/include/crt/host_config.h:121:2: error: #error -- unsupported GNU version! gcc versions later than 6 are not supported!
#error -- unsupported GNU version! gcc versions later than 6 are not supported!
^~~~~
In file included from /usr/include/host_config.h:50:0,
from /usr/include/cuda_runtime.h:78,
from :0:
/usr/include/crt/host_config.h:121:2: error: #error -- unsupported GNU version! gcc versions later than 6 are not supported!
#error -- unsupported GNU version! gcc versions later than 6 are not supported!
^~~~~
In file included from /usr/include/host_config.h:50:0,
from /usr/include/cuda_runtime.h:78,
from :0:
/usr/include/crt/host_config.h:121:2: error: #error -- unsupported GNU version! gcc versions later than 6 are not supported!
#error -- unsupported GNU version! gcc versions later than 6 are not supported!
^~~~~
CMake Error at cuda_compile_1_generated_clip_layer.cu.o.Release.cmake:219 (message):
Error generating
/home/huong/openpose/build/caffe/src/openpose_lib-build/src/caffe/CMakeFiles/cuda_compile_1.dir/layers/./cuda_compile_1_generated_clip_layer.cu.o

src/caffe/CMakeFiles/caffe.dir/build.make:112: recipe for target 'src/caffe/CMakeFiles/cuda_compile_1.dir/layers/cuda_compile_1_generated_clip_layer.cu.o' failed
make[5]: *** [src/caffe/CMakeFiles/cuda_compile_1.dir/layers/cuda_compile_1_generated_clip_layer.cu.o] Error 1
make[5]: *** Waiting for unfinished jobs....
CMake Error at cuda_compile_1_generated_contrastive_loss_layer.cu.o.Release.cmake:219 (message):
Error generating
/home/huong/openpose/build/caffe/src/openpose_lib-build/src/caffe/CMakeFiles/cuda_compile_1.dir/layers/./cuda_compile_1_generated_contrastive_loss_layer.cu.o

src/caffe/CMakeFiles/caffe.dir/build.make:126: recipe for target 'src/caffe/CMakeFiles/cuda_compile_1.dir/layers/cuda_compile_1_generated_contrastive_loss_layer.cu.o' failed
make[5]: *** [src/caffe/CMakeFiles/cuda_compile_1.dir/layers/cuda_compile_1_generated_contrastive_loss_layer.cu.o] Error 1
CMake Error at cuda_compile_1_generated_batch_reindex_layer.cu.o.Release.cmake:219 (message):
Error generating
/home/huong/openpose/build/caffe/src/openpose_lib-build/src/caffe/CMakeFiles/cuda_compile_1.dir/layers/./cuda_compile_1_generated_batch_reindex_layer.cu.o

CMake Error at cuda_compile_1_generated_batch_norm_layer.cu.o.Release.cmake:219 (message):
Error generating
/home/huong/openpose/build/caffe/src/openpose_lib-build/src/caffe/CMakeFiles/cuda_compile_1.dir/layers/./cuda_compile_1_generated_batch_norm_layer.cu.o

src/caffe/CMakeFiles/caffe.dir/build.make:91: recipe for target 'src/caffe/CMakeFiles/cuda_compile_1.dir/layers/cuda_compile_1_generated_batch_reindex_layer.cu.o' failed
make[5]: *** [src/caffe/CMakeFiles/cuda_compile_1.dir/layers/cuda_compile_1_generated_batch_reindex_layer.cu.o] Error 1
CMake Error at cuda_compile_1_generated_absval_layer.cu.o.Release.cmake:219 (message):
Error generating
/home/huong/openpose/build/caffe/src/openpose_lib-build/src/caffe/CMakeFiles/cuda_compile_1.dir/layers/./cuda_compile_1_generated_absval_layer.cu.o

src/caffe/CMakeFiles/caffe.dir/build.make:84: recipe for target 'src/caffe/CMakeFiles/cuda_compile_1.dir/layers/cuda_compile_1_generated_batch_norm_layer.cu.o' failed
make[5]: *** [src/caffe/CMakeFiles/cuda_compile_1.dir/layers/cuda_compile_1_generated_batch_norm_layer.cu.o] Error 1
src/caffe/CMakeFiles/caffe.dir/build.make:63: recipe for target 'src/caffe/CMakeFiles/cuda_compile_1.dir/layers/cuda_compile_1_generated_absval_layer.cu.o' failed
make[5]: *** [src/caffe/CMakeFiles/cuda_compile_1.dir/layers/cuda_compile_1_generated_absval_layer.cu.o] Error 1
CMake Error at cuda_compile_1_generated_bnll_layer.cu.o.Release.cmake:219 (message):
Error generating
/home/huong/openpose/build/caffe/src/openpose_lib-build/src/caffe/CMakeFiles/cuda_compile_1.dir/layers/./cuda_compile_1_generated_bnll_layer.cu.o

CMake Error at cuda_compile_1_generated_bias_layer.cu.o.Release.cmake:219 (message):
Error generating
/home/huong/openpose/build/caffe/src/openpose_lib-build/src/caffe/CMakeFiles/cuda_compile_1.dir/layers/./cuda_compile_1_generated_bias_layer.cu.o

CMake Error at cuda_compile_1_generated_cudnn_lcn_layer.cu.o.Release.cmake:219 (message):
Error generating
/home/huong/openpose/build/caffe/src/openpose_lib-build/src/caffe/CMakeFiles/cuda_compile_1.dir/layers/./cuda_compile_1_generated_cudnn_lcn_layer.cu.o

src/caffe/CMakeFiles/caffe.dir/build.make:98: recipe for target 'src/caffe/CMakeFiles/cuda_compile_1.dir/layers/cuda_compile_1_generated_bias_layer.cu.o' failed
make[5]: *** [src/caffe/CMakeFiles/cuda_compile_1.dir/layers/cuda_compile_1_generated_bias_layer.cu.o] Error 1
src/caffe/CMakeFiles/caffe.dir/build.make:105: recipe for target 'src/caffe/CMakeFiles/cuda_compile_1.dir/layers/cuda_compile_1_generated_bnll_layer.cu.o' failed
make[5]: *** [src/caffe/CMakeFiles/cuda_compile_1.dir/layers/cuda_compile_1_generated_bnll_layer.cu.o] Error 1
src/caffe/CMakeFiles/caffe.dir/build.make:161: recipe for target 'src/caffe/CMakeFiles/cuda_compile_1.dir/layers/cuda_compile_1_generated_cudnn_lcn_layer.cu.o' failed
make[5]: *** [src/caffe/CMakeFiles/cuda_compile_1.dir/layers/cuda_compile_1_generated_cudnn_lcn_layer.cu.o] Error 1
CMake Error at cuda_compile_1_generated_cudnn_deconv_layer.cu.o.Release.cmake:219 (message):
Error generating
/home/huong/openpose/build/caffe/src/openpose_lib-build/src/caffe/CMakeFiles/cuda_compile_1.dir/layers/./cuda_compile_1_generated_cudnn_deconv_layer.cu.o

CMake Error at cuda_compile_1_generated_base_data_layer.cu.o.Release.cmake:219 (message):
Error generating
/home/huong/openpose/build/caffe/src/openpose_lib-build/src/caffe/CMakeFiles/cuda_compile_1.dir/layers/./cuda_compile_1_generated_base_data_layer.cu.o

CMake Error at cuda_compile_1_generated_conv_layer.cu.o.Release.cmake:219 (message):
Error generating
/home/huong/openpose/build/caffe/src/openpose_lib-build/src/caffe/CMakeFiles/cuda_compile_1.dir/layers/./cuda_compile_1_generated_conv_layer.cu.o

src/caffe/CMakeFiles/caffe.dir/build.make:154: recipe for target 'src/caffe/CMakeFiles/cuda_compile_1.dir/layers/cuda_compile_1_generated_cudnn_deconv_layer.cu.o' failed
make[5]: *** [src/caffe/CMakeFiles/cuda_compile_1.dir/layers/cuda_compile_1_generated_cudnn_deconv_layer.cu.o] Error 1
src/caffe/CMakeFiles/caffe.dir/build.make:77: recipe for target 'src/caffe/CMakeFiles/cuda_compile_1.dir/layers/cuda_compile_1_generated_base_data_layer.cu.o' failed
make[5]: *** [src/caffe/CMakeFiles/cuda_compile_1.dir/layers/cuda_compile_1_generated_base_data_layer.cu.o] Error 1
src/caffe/CMakeFiles/caffe.dir/build.make:133: recipe for target 'src/caffe/CMakeFiles/cuda_compile_1.dir/layers/cuda_compile_1_generated_conv_layer.cu.o' failed
make[5]: *** [src/caffe/CMakeFiles/cuda_compile_1.dir/layers/cuda_compile_1_generated_conv_layer.cu.o] Error 1
CMake Error at cuda_compile_1_generated_crop_layer.cu.o.Release.cmake:219 (message):
Error generating
/home/huong/openpose/build/caffe/src/openpose_lib-build/src/caffe/CMakeFiles/cuda_compile_1.dir/layers/./cuda_compile_1_generated_crop_layer.cu.o

src/caffe/CMakeFiles/caffe.dir/build.make:140: recipe for target 'src/caffe/CMakeFiles/cuda_compile_1.dir/layers/cuda_compile_1_generated_crop_layer.cu.o' failed
make[5]: *** [src/caffe/CMakeFiles/cuda_compile_1.dir/layers/cuda_compile_1_generated_crop_layer.cu.o] Error 1
CMake Error at cuda_compile_1_generated_accuracy_layer.cu.o.Release.cmake:219 (message):
Error generating
/home/huong/openpose/build/caffe/src/openpose_lib-build/src/caffe/CMakeFiles/cuda_compile_1.dir/layers/./cuda_compile_1_generated_accuracy_layer.cu.o

src/caffe/CMakeFiles/caffe.dir/build.make:70: recipe for target 'src/caffe/CMakeFiles/cuda_compile_1.dir/layers/cuda_compile_1_generated_accuracy_layer.cu.o' failed
make[5]: *** [src/caffe/CMakeFiles/cuda_compile_1.dir/layers/cuda_compile_1_generated_accuracy_layer.cu.o] Error 1
CMake Error at cuda_compile_1_generated_cudnn_conv_layer.cu.o.Release.cmake:219 (message):
Error generating
/home/huong/openpose/build/caffe/src/openpose_lib-build/src/caffe/CMakeFiles/cuda_compile_1.dir/layers/./cuda_compile_1_generated_cudnn_conv_layer.cu.o

src/caffe/CMakeFiles/caffe.dir/build.make:147: recipe for target 'src/caffe/CMakeFiles/cuda_compile_1.dir/layers/cuda_compile_1_generated_cudnn_conv_layer.cu.o' failed
make[5]: *** [src/caffe/CMakeFiles/cuda_compile_1.dir/layers/cuda_compile_1_generated_cudnn_conv_layer.cu.o] Error 1
CMake Error at cuda_compile_1_generated_concat_layer.cu.o.Release.cmake:219 (message):
Error generating
/home/huong/openpose/build/caffe/src/openpose_lib-build/src/caffe/CMakeFiles/cuda_compile_1.dir/layers/./cuda_compile_1_generated_concat_layer.cu.o

src/caffe/CMakeFiles/caffe.dir/build.make:119: recipe for target 'src/caffe/CMakeFiles/cuda_compile_1.dir/layers/cuda_compile_1_generated_concat_layer.cu.o' failed
make[5]: *** [src/caffe/CMakeFiles/cuda_compile_1.dir/layers/cuda_compile_1_generated_concat_layer.cu.o] Error 1
CMake Error at cuda_compile_1_generated_math_functions.cu.o.Release.cmake:219 (message):
Error generating
/home/huong/openpose/build/caffe/src/openpose_lib-build/src/caffe/CMakeFiles/cuda_compile_1.dir/util/./cuda_compile_1_generated_math_functions.cu.o

src/caffe/CMakeFiles/caffe.dir/build.make:497: recipe for target 'src/caffe/CMakeFiles/cuda_compile_1.dir/util/cuda_compile_1_generated_math_functions.cu.o' failed
make[5]: *** [src/caffe/CMakeFiles/cuda_compile_1.dir/util/cuda_compile_1_generated_math_functions.cu.o] Error 1
CMakeFiles/Makefile2:235: recipe for target 'src/caffe/CMakeFiles/caffe.dir/all' failed
make[4]: *** [src/caffe/CMakeFiles/caffe.dir/all] Error 2
Makefile:129: recipe for target 'all' failed
make[3]: *** [all] Error 2
CMakeFiles/openpose_lib.dir/build.make:110: recipe for target 'caffe/src/openpose_lib-stamp/openpose_lib-build' failed
make[2]: *** [caffe/src/openpose_lib-stamp/openpose_lib-build] Error 2
CMakeFiles/Makefile2:67: recipe for target 'CMakeFiles/openpose_lib.dir/all' failed
make[1]: *** [CMakeFiles/openpose_lib.dir/all] Error 2
Makefile:83: recipe for target 'all' failed
make: *** [all] Error 2

After trying to downgrade: ethereum-mining/ethminer#731

-- The C compiler identification is unknown
-- The CXX compiler identification is unknown
CMake Error at CMakeLists.txt:19 (project):
The CMAKE_C_COMPILER:

/usr/bin/cc

is not a full path to an existing compiler tool.

Tell CMake where to find the compiler by setting either the environment
variable "CC" or the CMake cache entry CMAKE_C_COMPILER to the full path to
the compiler, or to the compiler name if it is in the PATH.

CMake Error at CMakeLists.txt:19 (project):
The CMAKE_CXX_COMPILER:

/usr/bin/c++

is not a full path to an existing compiler tool.

Tell CMake where to find the compiler by setting either the environment
variable "CXX" or the CMake cache entry CMAKE_CXX_COMPILER to the full path
to the compiler, or to the compiler name if it is in the PATH.

My environment:
Ubuntu18.04
Cuda V9.1.85
Cudnn v8
cmake version 3.15.6
Gcc 7.5.0
G++ 7.5.0
Opencv 4.5.5

[ekurtgl]

Have the same problem!